Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
73642 张宇衡 13猴子吃桃 C++ Compile Error 0 MS 0 KB 79 2024-05-19 14:28:59

Tests(0/0):

Code:

int n,s=0; cin>>n; for(int i=2;i<=n;i++){ s+=(i+1)*2; } cout<<s<<endl;

Run Info:

Main.cc:2:1: error: 'cin' does not name a type
 cin>>n;
 ^
Main.cc:3:1: error: expected unqualified-id before 'for'
 for(int i=2;i<=n;i++){
 ^
Main.cc:3:13: error: 'i' does not name a type
 for(int i=2;i<=n;i++){
             ^
Main.cc:3:18: error: 'i' does not name a type
 for(int i=2;i<=n;i++){
                  ^
Main.cc:6:1: error: 'cout' does not name a type
 cout<