Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
130085 huangyifeng2 字母概率 C++ Compile Error 0 MS 0 KB 516 2025-09-07 15:50:34

Tests(0/0):

Code:

#include<iostream> #include<string> #include<cctype> #include<format> using namespace std; int main() { string str; char ch; int num = 0; while (true) { cin >> ch >> str; int a = str.length(); for (int i = 0; i < a; i++){ if (ch == str[i] || toupper(ch) == str[i]) { num++; } } printf("%.5f\n", (float)num / a); // std::cout <<std::format("{:.5f}\n", (float)num / a); } }

Run Info:

Main.cc:4:17: fatal error: format: No such file or directory
 #include
                 ^
compilation terminated.