Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
147072 赖泓宇 04保留两位小数 C++ Compile Error 0 MS 0 KB 346 2026-02-02 16:57:36

Tests(0/0):

Code:

#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<iomanip> #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ double a,b; cin>>a>>b; printf("%.7lf %.2lf",pi,pi1); }

Run Info:

Main.cc: In function 'int main()':
Main.cc:10:25: error: 'pi' was not declared in this scope
    printf("%.7lf %.2lf",pi,pi1);
                         ^
Main.cc:10:28: error: 'pi1' was not declared in this scope
    printf("%.7lf %.2lf",pi,pi1);
                            ^