Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
149425 8 09计算算数表达式 C++ Compile Error 0 MS 0 KB 564 2026-03-12 19:47:47

Tests(0/0):

Code:

#include <iostream> using namespace std; int main() { int a, b; char op; cin >> a >> p >> b; long long result; switch(op) { case '+': result = (long long)a + b; break; case '-': result = (long long)a - b; break; case '*': result = (long long)a * b; break; case '/': result = (long long)a / b; break; default: return 1; } cout << result << endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:17: error: 'p' was not declared in this scope
     cin >> a >> p >> b;
                 ^