結果
問題 | No.2426 Select Plus or Minus |
ユーザー |
|
提出日時 | 2023-09-28 15:41:20 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 943 bytes |
コンパイル時間 | 1,796 ms |
コンパイル使用メモリ | 192,780 KB |
最終ジャッジ日時 | 2025-02-17 02:47:25 |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 41 |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:26:15: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 2 has type ‘i64*’ {aka ‘long int*’} [-Wformat=] 26 | scanf("%lld", &n); | ~~~^ ~~ | | | | | i64* {aka long int*} | long long int* | %ld main.cpp:44:14: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wformat=] 44 | printf("%d\n%s\n", ans.size(), ans.c_str()); | ~^ ~~~~~~~~~~ | | | | int std::__cxx11::basic_string<char>::size_type {aka long unsigned int} | %ld main.cpp:26:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 26 | scanf("%lld", &n); | ~~~~~^~~~~~~~~~~~
ソースコード
#include <bits/stdc++.h>using namespace std::literals::string_literals;using i64 = std::int_fast64_t;using std::cerr;using std::cin;using std::cout;using std::endl;#if defined(DONLINE_JUDGE)#define NDEBUG#elif defined(ONLINE_JUDGE)#define NDEBUG#endiftemplate <typename T>std::vector<T> make_v(size_t a) {return std::vector<T>(a);}template <typename T, typename... Ts>auto make_v(size_t a, Ts... ts) {return std::vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...));}int main() {i64 n;scanf("%lld", &n);std::string ans = "";while (n != 1) {if (n % 2) {if (rand() % 2) {ans += '+';n = 3 * n + 1;} else {ans += '-';n = 3 * n - 1;}} else {ans += '/';n /= 2;}}printf("%d\n%s\n", ans.size(), ans.c_str());return 0;}