Improve input/output files

solutions/beecrowd/1542/1542.cpp

@@ -1,14 +1,15 @@
 #include <cmath>
 #include <cstdint>
+#include <iomanip>
 #include <iostream>
 
 int main() {
-    std::int16_t q, d, p, answer;
+    double q, d, p, answer;
 
     while (std::cin >> q && q) {
         std::cin >> d >> p;
 
-        answer = trunc(static_cast< double >((q * d) / -(q - p) * p));
+        answer = trunc(((d * p) / (p - q)) * q);
 
         std::cout << answer << " pagina";
         if (answer > 1) {

solutions/beecrowd/1542/generate_in.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+for q in $(seq 1 19); do
+    for d in $(seq 1 19); do
+        for p in $(seq 1 19); do
+            if [[ q -lt p ]]; then
+                echo "${q} ${d} ${p}"
+            fi
+        done
+    done
+done
+echo "0"