Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
93018 冯瀚翔 03圆的面积 C++ Compile Error 0 MS 0 KB 209 2024-10-07 15:36:40

Tests(0/0):

Code:

#include<iostream> using namespace std; int main() { long long a cin>>a cin>>a=3.1415926; cout<<a*1; cout<<a*3; cout<<a*5; cout<<a*7; cout<<a*9; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:7:5: error: expected initializer before 'cin'
     cin>>a
     ^
Main.cc:9:11: error: 'a' was not declared in this scope
     cout<