This code base contains the solution to a problem whose id is less than 1000
dp : dynamic programming
bfs: breadth first search
dfs: dfs
Note:The space complexity here does not include the return value
| id | tag | solution | time complexity | space complexity |
|---|---|---|---|---|
| 1 | array | Java Python3 | O(n) | |
| 2 | linkedlist | Java | ||
| 3 | string | Java | ||
| 4 | divideAndConquer | Java | ||
| 5 | dp | Java | ||
| 6 | string | Java | ||
| 7 | math | Java | ||
| 8 | string | Java | ||
| 9 | math | Java | ||
| 10 | backtracing | Java | ||
| 11 | backtracing | Java | ||
| 12 | string | Java | O(n) | |
| 13 | math | Java | O(n) | O(1) |
| 14 | string | Java | O(n*n) | O(1) |
| 15 | array | Java | ||
| 16 | array | Java | ||
| 17 | backtracing | Java | ||
| 19 | linkedlist | Java | ||
| 20 | stack | Java | ||
| 21 | linked list | Java | O(n) | O(n) |
| 22 | backtracing | Java | O(n) | O(n) |
| 23 | linkedlist | Java | ||
| 24 | linkedlist | Java | ||
| 25 | linkedlist | Java | ||
| 26 | array | Java | O(n) | O(1) |
| 27 | array | Java | O(n) | O(1) |
| 28 | string | Java | O(n*n) | O(1) |
| 29 | math | Java | ||
| 31 | array | Java | ||
| 32 | dp | Java | ||
| 33 | array,binarySearch | Java | O(logN) | O(1) |
| 34 | array | Java | ||
| 35 | binarySearch | Java | O(1) | |
| 36 | map | Java | ||
| 37 | backtracing | Java | ||
| 38 | string | Java | ||
| 39 | backtracing | Java | O(n) | |
| 40 | backtracing | Java | ||
| 41 | array | Java | ||
| 42 | stack | Java | ||
| 43 | string | Java | ||
| 44 | backtracing | Java | ||
| 45 | array | Java | ||
| 46 | backtracing | Java | O(n) | |
| 47 | backTracing | Java | ||
| 48 | array | Java | ||
| 49 | string | Java | ||
| 50 | math | Java | ||
| 51 | backtracing | Java | ||
| 52 | backtracing | Java | ||
| 53 | dp | Java | O(n) | O(1) |
| 54 | array | Java | ||
| 55 | greedy | Java | ||
| 56 | array | Java | O(nlogN) | O(1) |
| 57 | array | Java | ||
| 58 | string | Java | O(n) | O(1) |
| 59 | array | Java | ||
| 60 | backtracing | Java | ||
| 61 | linkedlist | Java | ||
| 62 | dp | Java | ||
| 63 | dp | Java | ||
| 64 | dp | Java | ||
| 65 | math | Java | ||
| 66 | array | Java | ||
| 67 | string | Java | O(n) | O(n) |
| 68 | string | Java | ||
| 69 | math | Java | O(logN) | O(1) |
| 70 | dp | Java | ||
| 71 | stack | Java | O(n) | |
| 72 | dp | Java | ||
| 73 | array | Java | ||
| 74 | array | Java | ||
| 75 | array | Java | ||
| 77 | backtracing | Java | O(n) | |
| 78 | backtracing | Java | O(n) | |
| 79 | backtracing | Java | ||
| 80 | array | Java | ||
| 81 | array,binarySearch | Java | ||
| 82 | linkedlist | Java | ||
| 83 | linked list | Java | O(n) | O(1) |
| 84 | array | Java | ||
| 86 | linkedlist | Java | ||
| 88 | array | Java | O(n*n) | O(1) |
| 89 | backtracing | Java | O(n) | |
| 90 | backtracing | Java | O(n) | |
| 91 | dp | Java | ||
| 92 | linkedlist | Java | ||
| 93 | backtracing | Java | ||
| 94 | stack | Java | O(n) | |
| 95 | dp | Java | ||
| 96 | dp | Java | ||
| 97 | dp | Java | ||
| 98 | tree | Java | ||
| 99 | tree | Java | O(1) | O(1) |
| 100 | tree | Java | O(n) | |
| 101 | bfs | Java | O(n) | |
| 102 | tree | Java | O(n) | O(n) |
| 103 | dfs | Java | O(n) | O(n) |
| 104 | tree | Java | ||
| 105 | tree | Java | ||
| 106 | tree | Java | O(n) | |
| 107 | bfs | Java | ||
| 108 | dfs | Java | O(logn) | |
| 109 | dfs | Java | O(n) | |
| 110 | tree | Java | O(n) | O(1) |
| 111 | bfs | Java | O(n) | |
| 112 | tree | Java | O(n) | |
| 113 | tree | Java | O(n) | |
| 114 | tree | Java | O(n) | O(1) |
| 115 | dp | Java | ||
| 116 | bfs | Java | O(n) | O(1) |
| 117 | bfs | Java | O(n) | O(1) |
| 118 | math | Java | O(n) | O(1) |
| 119 | math | Java | O(n*n) | O(n) |
| 120 | dp | Java | ||
| 121 | dp | Java | O(n) | O(1) |
| 122 | greedy | Java | ||
| 123 | dp | Java | ||
| 124 | tree | Java | ||
| 125 | string | Java | O(n) | O(1) |
| 126 | bfs | Java | ||
| 127 | bfs | Java | ||
| 128 | array | Java | ||
| 129 | tree | Java | O(n) | O(1) |
| 130 | dfs | Java | ||
| 131 | backtracing | Java | ||
| 132 | dp | Java | ||
| 133 | graph | Java | ||
| 134 | greedy | Java | ||
| 135 | greedy | Java | ||
| 136 | bit | Java | O(n) | O(1) |
| 137 | bit | Java | O(n) | O(1) |
| 138 | linkedlist | Java | O(n) | O(n) |
| 139 | dp | Java | ||
| 140 | backtracing | Java | ||
| 141 | linkedList | Java | O(n) | O(1) |
| 142 | linkedlist | Java | O(n) | O(n) |
| 143 | linkedlist | Java | ||
| 144 | stack | Java | O(n) | |
| 145 | tree | Java | O(n) | O(n) |
| 146 | map | Java | ||
| 147 | linkedlist | Java | ||
| 148 | linkedlist | Java | ||
| 149 | math | Java | ||
| 150 | stack | Java | O(n) | |
| 151 | string | Java | ||
| 152 | dp | Java | ||
| 153 | array | Java | ||
| 154 | array | Java | ||
| 155 | stack | Java | ||
| 160 | linkedlist | Java | O(n) | O(1) |
| 162 | array | Java | ||
| 164 | sort | Java | ||
| 165 | string | Java | ||
| 166 | math | Java | ||
| 167 | map | Java | O(n) | O(n) |
| 168 | math | Java | O(n) | O(1) |
| 169 | array | Java | O(n) | O(n) |
| 171 | math | Java | O(n) | O(1) |
| 172 | math | Java | O(logN) | O(1) |
| 173 | stack | Java | ||
| 179 | sort | Java | ||
| 187 | hashset | Java | ||
| 189 | array | Java | O(n*n) | O(1) |
| 190 | bit | Java | ||
| 191 | bit | Java | O(1) | O(1) |
| 198 | dp | Java | ||
| 199 | dfs | Java | O(n) | O(n) |
| 200 | dfs | Java | ||
| 201 | bit | Java | ||
| 202 | math | Java | O(n) | |
| 203 | linked list | Java | O(n) | O(1) |
| 204 | math | Java | O(n*n) | |
| 205 | map | Java | O(n) | O(n) |
| 206 | linked list | Java | O(n) | O(n) |
| 207 | toposort | Java | ||
| 208 | trie | Java | ||
| 209 | array | Java | O(n) | |
| 210 | toposort | Java | ||
| 211 | backtracing | Java | ||
| 212 | backtracing | Java | ||
| 213 | dp | Java | ||
| 214 | string | Java | ||
| 215 | heap | Java | ||
| 216 | backtracing | Java | ||
| 217 | array | Java | O(1) | |
| 219 | array | Java | O(n) | O(n) |
| 220 | slidingwindow | Java | O(Nlog(N)) | |
| 222 | tree | Java | O(n) | O(1) |
| 224 | stack | Java | ||
| 225 | stack | Java | ||
| 226 | tree,stack | Java | ||
| 227 | string | Java | ||
| 228 | array | Java | ||
| 229 | array | Java | ||
| 230 | tree | Java | O(n) | O(1) |
| 231 | math | Java | O(1) | O(1) |
| 232 | stack | Java | ||
| 233 | math | Java | ||
| 234 | linked list | Java | ||
| 235 | tree | Java | O(n) | O(1) |
| 236 | tree | Java | ||
| 237 | linked list | Java | O(1) | O(1) |
| 238 | array | Java | O(n) | |
| 239 | heap | Java | ||
| 240 | divideAndConquer | Java | ||
| 241 | divideAndConquer | Java | ||
| 242 | map | Java | O(n) | O(1) |
| 257 | tree | Java | O(n) | |
| 258 | math | Java | O(1) | O(1) |
| 260 | bit | Java | ||
| 263 | math | Java | O(n) | O(1) |
| 264 | dp | Java | ||
| 268 | bit | Java | O(n) | O(1) |
| 273 | string | Java | ||
| 274 | sort | Java | ||
| 275 | sort | Java | ||
| 278 | binarySearch | Java | ||
| 279 | dp | Java | ||
| 282 | divideAndComquer | Java | ||
| 283 | array | Java | O(n) | O(1) |
| 287 | Java | O(n) | O(1) | |
| 289 | array | Java | ||
| 290 | map | Java | O(n) | O(n) |
| 292 | minimax | Java | ||
| 295 | heap | Java | ||
| 297 | tree | Java | ||
| 299 | map | Java | ||
| 301 | dfs | Java | ||
| 303 | dp | Java | ||
| 304 | dp | Java | ||
| 306 | backtracing | Java | ||
| 307 | segment tree | Java | ||
| 309 | dp | Java | ||
| 312 | dp | Java | ||
| 313 | heap | Java | ||
| 315 | sort | Java | ||
| 316 | greedy | Java | ||
| 318 | bit | Java | ||
| 319 | math | Java | ||
| 322 | dp | Java | ||
| 324 | sort | Java | ||
| 326 | math | Java | O(n) | O(1) |
| 327 | divideAndConquer | Java | ||
| 328 | linkedlist | Java | ||
| 329 | backtracing | Java | ||
| 330 | greedy | Java | ||
| 331 | stack | Java | ||
| 332 | tree | Java | ||
| 334 | array | Java | ||
| 336 | trie | Java | ||
| 338 | bit | Java | O(n) | |
| 341 | stack | Java | ||
| 342 | bit | Java | O(1) | O(1) |
| 343 | dp | Java | ||
| 344 | string | Java | O(n) | O(1) |
| 345 | string | Java | O(n) | O(n) |
| 347 | heap | Java | ||
| 349 | map | Java | O(n) | O(n) |
| 350 | array | Java | O(n) | O(n) |
| 355 | heap,design | Java | ||
| 357 | backtracing | Java | O(n) | |
| 365 | math | Java | ||
| 367 | math | Java | O(1) | |
| 371 | bit | Java | ||
| 372 | math | Java | ||
| 373 | heap | Java | ||
| 374 | binarySearch | Java | O(logN) | O(1) |
| 375 | dp | Java | ||
| 377 | dp | Java | ||
| 378 | heap | Java | ||
| 380 | array | Java | ||
| 381 | array | Java | ||
| 382 | sample | Java | ||
| 383 | string | Java | O(n) | O(1) |
| 384 | random | Java | ||
| 385 | stack | Java | ||
| 386 | sort | Java | ||
| 387 | string | Java | O(n) | O(1) |
| 388 | string | Java | ||
| 389 | math | Java | O(n) | O(1) |
| 390 | math | Java | ||
| 392 | dp | Java | ||
| 393 | bit | Java | ||
| 394 | stack | Java | ||
| 395 | string | Java | ||
| 396 | math | Java | ||
| 397 | bit | Java | ||
| 398 | sample | Java | ||
| 400 | math | Java | ||
| 401 | backtracing | Java | ||
| 402 | greedy | Java | ||
| 404 | tree | Java | O(n) | |
| 405 | bit | Java | ||
| 406 | greedy | Java | ||
| 407 | heap | Java | ||
| 409 | map | Java | O(n) | O(n) |
| 412 | math | Java | O(n) | |
| 413 | dp | Java | ||
| 414 | array | Java | O(n) | O(1) |
| 415 | string | Java | O(n) | O(n) |
| 416 | dp | Java | ||
| 417 | dfs | Java | ||
| 419 | array | Java | ||
| 421 | tire | Java | ||
| 423 | math | Java | ||
| 424 | doublepointer | Java | ||
| 427 | array | Java | ||
| 429 | bfs | Java | ||
| 430 | linkedlist | Java | ||
| 432 | design | Java | ||
| 433 | dfs | Java | ||
| 434 | string | Java | ||
| 435 | greedy | Java | ||
| 436 | binarysearch | Java | ||
| 437 | tree | Java | ||
| 438 | map | Java | ||
| 441 | math | Java | O(1) | O(1) |
| 442 | array | Java | ||
| 443 | string | Java | ||
| 445 | linkedlist | Java | ||
| 447 | map | Java | O(n*n) | O(n*n) |
| 448 | array | Java | O(n) | O(1) |
| 449 | tree | Java | ||
| 450 | tree | Java | ||
| 451 | heap | Java | ||
| 452 | greedy | Java | ||
| 453 | math | Java | O(n) | O(1) |
| 454 | map | Java | ||
| 455 | greedy | Java | ||
| 456 | stack | Java | ||
| 457 | doublepointer | Java | ||
| 458 | math | Java | ||
| 459 | string | Java | ||
| 460 | design | Java | ||
| 461 | bit | Java | O(n) | O(1) |
| 462 | math | Java | ||
| 463 | array | Java | O(n*n) | O(1) |
| 464 | minimax | Java | ||
| 468 | string | Java | ||
| 470 | random | Java | ||
| 472 | trie | Java | ||
| 473 | dfs | Java | ||
| 474 | dp | Java | ||
| 475 | array | Java | ||
| 476 | bit | Java | O(n) | O(1) |
| 477 | bit | Java | ||
| 478 | random | Java | ||
| 480 | slidingwindow | Java | ||
| 481 | string | Java | ||
| 482 | string | Java | ||
| 483 | binarysearch | Java | ||
| 485 | array | Java | O(n) | O(1) |
| 486 | minimax | Java | ||
| 488 | backtracing | Java | ||
| 491 | dfs | Java | ||
| 492 | math | Java | ||
| 493 | divideAndConquer | Java | ||
| 494 | dp | Java | ||
| 495 | array | Java | ||
| 496 | stack | Java | ||
| 497 | binarysearch | Java | ||
| 498 | array | Java | ||
| 500 | map | Java | O(n) | O(1) |
| 501 | tree | Java | O(n) | O(1) |
| 502 | heap | Java | ||
| 503 | stack | Java | ||
| 504 | math | Java | ||
| 506 | array | Java | ||
| 507 | math | Java | O(1) | |
| 508 | tree | Java | O(n) | O(n) |
| 509 | array | Java | O(1) | |
| 513 | dfs | Java | O(n) | O(n) |
| 515 | dfs | Java | O(n) | O(n) |
| 516 | dp | Java | ||
| 519 | random | Java | ||
| 520 | string | Java | O(n) | O(1) |
| 521 | string | Java | O(1) | O(1) |
| 522 | string | Java | ||
| 523 | math | Java | ||
| 524 | string | Java | ||
| 525 | map | Java | ||
| 526 | backtracing | Java | O(n) | |
| 528 | random | Java | ||
| 529 | bfs | Java | ||
| 530 | math | Java | O(n) | O(1) |
| 532 | array | Java | O(n) | O(n) |
| 535 | math | Java | ||
| 537 | tree | Java | ||
| 538 | tree | Java | O(n) | O(n) |
| 539 | string | Java | ||
| 540 | binarysearch | Java | ||
| 541 | string | Java | O(n) | O(1) |
| 542 | bfs | Java | ||
| 543 | tree | Java | O(n) | O(1) |
| 546 | dp | Java | ||
| 547 | dfs | Java | ||
| 551 | string | Java | O(n) | O(1) |
| 553 | math | Java | ||
| 554 | map | Java | ||
| 556 | string | Java | O(n) | O(1) |
| 558 | tree | Java | ||
| 559 | bfs | Java | ||
| 560 | array | Java | ||
| 561 | array | Java | O(n) | |
| 563 | tree | Java | O(n) | O(1) |
| 564 | string | Java | ||
| 565 | array | Java | ||
| 566 | array | Java | O(n*n) | O(1) |
| 567 | doublepointer | Java | ||
| 572 | tree | Java | ||
| 575 | map | Java | ||
| 577 | string | Java | O(n*n) | |
| 581 | array | Java | O(n) | O(1) |
| 583 | dp | Java | ||
| 589 | tree | Java | ||
| 590 | tree | Java | ||
| 591 | stack | Java | ||
| 592 | math | Java | ||
| 593 | math | Java | ||
| 594 | map | Java | O(n) | O(n) |
| 598 | math | Java | O(n) | O(1) |
| 599 | map | Java | O(n) | O(n) |
| 605 | array | Java | O(n) | O(1) |
| 606 | tree | Java | O(n) | |
| 609 | string | Java | ||
| 611 | array | Java | ||
| 617 | tree | Java | O(logN) | O(1) |
| 621 | greedy | Java | ||
| 622 | queue | Java | ||
| 623 | tree | Java | O(n) | |
| 628 | math | Java | O(nlogn) | O(1) |
| 630 | heap | Java | ||
| 632 | heap | Java | ||
| 633 | math | Java | O(n) | O(1) |
| 636 | stack | Java | ||
| 637 | tree | Java | ||
| 638 | dp | Java | ||
| 640 | math | Java | ||
| 641 | queue | Java | ||
| 643 | array | Java | ||
| 645 | array | Java | O(n) | O(n) |
| 646 | dp | Java | ||
| 647 | string | Java | ||
| 648 | trie | Java | ||
| 649 | greedy | Java | ||
| 650 | dp | Java | ||
| 652 | tree | Java | ||
| 653 | tree | Java | O(n) | |
| 654 | tree | Java | O(n) | O(1) |
| 655 | tree | Java | ||
| 657 | string | Java | O(n) | |
| 659 | greedy | Java | ||
| 661 | array | Java | O(n) | O(1) |
| 662 | tree | Java | ||
| 665 | array | Java | ||
| 667 | array | Java | ||
| 668 | binarySearch | Java | ||
| 669 | tree | Java | O(1) | |
| 670 | array | Java | ||
| 671 | tree | Java | O(n) | |
| 672 | math | Java | ||
| 674 | array | Java | O(n) | O(1) |
| 676 | trie | Java | ||
| 677 | trie | Java | ||
| 678 | string | Java | ||
| 679 | backtracing | Java | ||
| 680 | string | Java | O(n) | O(1) |
| 682 | stack | Java | ||
| 684 | dsu | Java | ||
| 685 | dsu | Java | ||
| 686 | string | Java | ||
| 687 | tree | Java | O(n) | |
| 690 | bfs | Java | O(n) | |
| 691 | backtracing | Java | ||
| 692 | Java | |||
| 693 | bit | Java | O(1) | O(1) |
| 695 | array | Java | ||
| 696 | string | Java | O(n) | O(n) |
| 697 | array | Java | O(n*n) | O(n) |
| 698 | dfs | Java | ||
| 700 | tree | Java | ||
| 701 | tree | Java | O(n) | O(1) |
| 703 | heap | Java | ||
| 704 | binarySearch | Java | O(1) | |
| 705 | hashset | Java | O(n) | O(n) |
| 706 | map | Java | O(n) | O(n) |
| 707 | linkedlist | Java | O(n) | O(n) |
| 709 | string | Java | O(n) | O(1) |
| 710 | random | Java | ||
| 712 | dp | Java | ||
| 713 | array | Java | ||
| 714 | dp | Java | ||
| 717 | array | Java | O(n) | O(1) |
| 718 | dp | Java | ||
| 719 | array | Java | ||
| 720 | hashset | Java | O(n) | O(n) |
| 721 | disjoinset | Java | ||
| 722 | string | Java | ||
| 724 | array | Java | O(n) | O(1) |
| 725 | linkedlist | Java | ||
| 726 | stack | Java | ||
| 728 | math | Java | O(n*n) | O(n) |
| 729 | array | Java | ||
| 733 | array | Java | O(n) | O(1) |
| 735 | stack | Java | ||
| 736 | string | Java | ||
| 738 | greedy | Java | ||
| 739 | stack | Java | ||
| 740 | dp | Java | ||
| 743 | dfs | Java | ||
| 744 | array | Java | O(n) | O(1) |
| 745 | trie | Java | ||
| 746 | dp | Java | ||
| 747 | array | Java | O(n) | O(1) |
| 748 | map | Java | ||
| 749 | dfs | Java | ||
| 752 | bfs | Java | ||
| 753 | dfs | Java | ||
| 754 | math | Java | ||
| 756 | bit | Java | ||
| 757 | greedy | Java | ||
| 761 | string | Java | ||
| 762 | bit | Java | O(n) | O(1) |
| 763 | greedy | Java | ||
| 765 | greedy | Java | ||
| 766 | array | Java | O(n*m) | O(1) |
| 767 | greedy | Java | ||
| 768 | array | Java | ||
| 769 | array | Java | ||
| 770 | string | Java | ||
| 771 | map | Java | O(n) | O(n) |
| 773 | bfs | Java | ||
| 775 | array | Java | ||
| 777 | doublepointer | Java | ||
| 778 | heap | Java | ||
| 779 | recursion | Java | ||
| 780 | backtracing | Java | ||
| 781 | map | Java | ||
| 782 | array | Java | ||
| 783 | tree | Java | O(n) | O(1) |
| 784 | backtracing | Java | O(n) | O(1) |
| 785 | graph | Java | ||
| 788 | math | Java | ||
| 789 | math | Java | ||
| 791 | string | Java | ||
| 792 | array | Java | ||
| 793 | binarysearch | Java | ||
| 794 | string | Java | ||
| 795 | array | Java | ||
| 797 | recursion | Java | ||
| 799 | math | Java | ||
| 802 | dfs | Java | ||
| 803 | dsu | Java | ||
| 804 | string | Java | O(n) | |
| 805 | math | Java | ||
| 806 | math | Java | ||
| 807 | array | Java | ||
| 809 | string | Java | ||
| 810 | math | Java | ||
| 811 | map | Java | ||
| 812 | math | Java | ||
| 813 | dp | Java | ||
| 814 | tree | Java | O(n) | O(1) |
| 815 | bfs | Java | ||
| 816 | string | Java | ||
| 817 | linkedlist | Java | ||
| 819 | string | Java | O(n) | O(n) |
| 820 | string,trie | Java | ||
| 821 | string | Java | ||
| 822 | array | Java | ||
| 824 | string | Java | ||
| 825 | array | Java | ||
| 826 | sort | Java | ||
| 827 | dfs | Java | ||
| 828 | doublepointer | Java | ||
| 829 | math | Java | ||
| 830 | array | Java | O(n) | O(1) |
| 831 | string | Java | ||
| 832 | array | Java | O(n*n) | O(1) |
| 833 | string | Java | ||
| 835 | array | Java | ||
| 836 | math | Java | O(1) | O(1) |
| 839 | string | Java | ||
| 840 | array | Java | O(n*n) | O(n) |
| 841 | dfs | Java | ||
| 842 | backtracing | Java | ||
| 843 | minimax | Java | ||
| 844 | stack | Java | ||
| 845 | doublepointer | Java | ||
| 846 | map | Java | ||
| 847 | bfs | Java | ||
| 848 | string | Java | ||
| 849 | array | Java | O(n) | O(1) |
| 851 | dfs | Java | ||
| 852 | array | Java | O(n) | |
| 856 | stack | Java | ||
| 857 | heap | Java | ||
| 858 | math | Java | ||
| 859 | string | Java | ||
| 860 | greedy | Java | ||
| 861 | greedy | Java | ||
| 862 | queue | Java | ||
| 863 | tree | Java | ||
| 864 | dfs | Java | ||
| 865 | tree | Java | ||
| 867 | array | Java | ||
| 868 | math | Java | O(n) | O(1) |
| 869 | math | Java | ||
| 870 | greedy | Java | ||
| 872 | tree | Java | O(n) | |
| 874 | greedy | Java | ||
| 875 | binarysearch | Java | ||
| 876 | linkedList | Java | O(n) | O(1) |
| 877 | dp | Java | ||
| 878 | math | Java | ||
| 880 | stack | Java | ||
| 881 | greedy | Java | ||
| 883 | array | Java | O(n*n) | O(n) |
| 884 | map | Java | O(n) | O(n) |
| 885 | math | Java | ||
| 886 | math | Java | ||
| 888 | math | Java | O(n*n) | O(1) |
| 889 | tree | Java | ||
| 890 | tree | Java | ||
| 891 | array | Java | ||
| 892 | math | Java | O(n*n) | |
| 893 | string | Java | O(n) | O(n) |
| 894 | tree | Java | ||
| 895 | stack | Java | ||
| 896 | array | Java | ||
| 897 | tree | Java | O(n) | |
| 898 | bit | Java | ||
| 899 | string | Java | ||
| 900 | array | Java | ||
| 901 | stack | Java | ||
| 903 | dp | Java | ||
| 904 | slidingwindow | Java | ||
| 905 | array | Java | O(n) | O(1) |
| 906 | math | Java | ||
| 907 | stack | Java | ||
| 908 | math | Java | O(n) | O(1) |
| 909 | bfs | Java | ||
| 910 | greedy | Java | ||
| 911 | binarysearch | Java | ||
| 912 | sort | Java | ||
| 914 | array | Java | O(n) | |
| 915 | array | Java | ||
| 916 | string | Java | ||
| 917 | string | Java | O(n) | O(n) |
| 919 | tree | Java | O(n) | |
| 921 | stack | Java | ||
| 922 | array | Java | O(n) | O(1) |
| 923 | doublepointer | Java | ||
| 924 | dsu | Java | ||
| 925 | string | Java | O(n) | O(1) |
| 926 | array | Java | ||
| 927 | math | Java | ||
| 928 | dsu | Java | ||
| 929 | string | Java | O(n) | O(n) |
| 930 | doublepointer | Java | ||
| 931 | dp | Java | ||
| 932 | divideAndConquer | Java | ||
| 933 | queue | Java | O(n) | O(n) |
| 934 | bfs | Java | ||
| 937 | string | Java | ||
| 938 | tree | Java | O(n) | O(1) |
| 939 | map | Java | ||
| 940 | dp | Java | ||
| 941 | array | Java | O(n) | O(1) |
| 942 | math | Java | O(n) | O(1) |
| 944 | greedy | Java | ||
| 945 | array | Java | ||
| 946 | stack | Java | ||
| 947 | dsu | Java | ||
| 948 | greedy | Java | ||
| 949 | math | Java | ||
| 950 | array | Java | ||
| 951 | tree | Java | O(n) | |
| 952 | dsu | Java | ||
| 953 | map | Java | ||
| 954 | array | Java | ||
| 955 | greedy | Java | ||
| 957 | math | Java | ||
| 958 | tree | Java | ||
| 959 | dsu | Java | ||
| 961 | map | Java | O(n) | O(n) |
| 962 | array | Java | ||
| 963 | math | Java | ||
| 965 | tree | Java | O(n) | |
| 966 | string | Java | ||
| 969 | array | Java | ||
| 971 | tree | Java | ||
| 972 | math | Java | ||
| 973 | heap | Java | ||
| 974 | array | Java | ||
| 976 | math | Java | O(nlogn) | O(1) |
| 977 | stack | Java | O(n) | O(1) |
| 979 | tree | Java | ||
| 980 | backtracing | Java | ||
| 981 | map | Java | ||
| 983 | dp | Java | ||
| 984 | greedy | Java | ||
| 985 | array | Java | O(n*n) | O(1) |
| 986 | doublepointer | Java | ||
| 987 | tree | Java | ||
| 988 | tree | Java | O(n) | |
| 989 | math | Java | O(n) | O(1) |
| 990 | dsu | Java | ||
| 991 | greedy | Java | ||
| 992 | slidingwindow | Java | ||
| 993 | bfs | Java | O(n) | |
| 994 | bfs | Java | O(n*n) | O(n) |
| 995 | greedy | Java | ||
| 996 | backtracing | Java | ||
| 997 | graph | Java | ||
| 998 | tree | Java | ||
| 999 | array | Java | O(n*n) | O(1) |
| 1002 | array | Java | O(n*n) | O(1) |
| 1003 | string | Java | ||
| 1004 | doublepointer | Java | ||
| 1005 | greedy | Java | ||
| 1006 | math | Java | ||
| 1008 | tree | Java | ||
| 1009 | math | Java | O(1) | O(1) |
| 1011 | array | Java | ||
| 1013 | math | Java | O(n) | O(1) |
| 1014 | array | Java | O(n) | O(n) |
| 1016 | string | Java | ||
| 1017 | math | Java | ||
| 1018 | math | Java | O(n) | O(1) |
| 1019 | linkedlist | Java | ||
| 1020 | dfs | Java | ||
| 1021 | stack | Java | ||
| 1022 | tree | Java | ||
| 1023 | Java | |||
| 1025 | dp | Java | ||
| 1026 | tree | Java | ||
| 1028 | tree | Java | ||
| 1029 | greedy | Java | ||
| 1030 | sort | Java | ||
| 1031 | array | Java | ||
| 1032 | trie | Java | ||
| 1038 | tree | Java | O(n) | |
| 1041 | math | Java | ||
| 1043 | dp | Java | ||
| 1046 | heap | Java | ||
| 1047 | stack | Java | ||
| 1051 | array | Java | ||
| 1052 | array | Java | ||
| 1053 | greedy | Java | ||
| 1072 | map | Java | ||
| 1078 | map | Java | O(n) | O(n) |
| 1079 | backtracing | Java | ||
| 1089 | array | Java | ||
| 1090 | greedy | Java | ||
| 1094 | greedy | Java | ||
| 1103 | math | Java | ||
| 1104 | tree | Java | ||
| 1105 | dp | Java | ||
| 1106 | string | Java | ||
| 1108 | string | Java | ||
| 1110 | dfs | Java | ||
| 1122 | sort | Java | ||
| 1123 | dfs | Java | ||
| 1137 | recursion | Java | ||
| 1143 | dp | Java | ||
| 1147 | dp | Java | ||
| 1154 | math | Java | ||
| 1155 | dp | Java | ||
| 1160 | array | Java | ||
| 1161 | bfs | Java | ||
| 1169 | array | Java | ||
| 1170 | array | Java | ||
| 1175 | math | Java | ||
| 1176 | array | Java | ||
| 1184 | array | Java | ||
| 1185 | array | Java | ||
| 1189 | map | Java | ||
| 1190 | stack | Java | ||
| 1200 | array | Java |
| id | problem | solution |
|---|---|---|
| id | problem | solution |
|---|---|---|
| 175 | Combine Two Tables | Mysql |
| 176 | Second Highest Salary | Mysql |
| 177 | Nth Highes Salary | Mysql |
| 181 | Employees Earning More Than Their Managers | Mysql |
| 182 | Duplicate Emails | Mysql |
| 183 | Submission Detail | Mysql |
| 184 | Department Highest Salary | Mysql |
| 196 | Delete Duplicate Emails | Mysql |
| 197 | Rising Temperature | Mysql |
| id | problem | solution |
|---|---|---|
| 192 | 192. Word Frequency | Shell |
| 193 | 193. Valid Phone Numbers | Shell |
| 194 | 194. Transpose file | Shell |
| 195 | 195. Tenth Line | Shell |