Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
149744 刘卫东 简单的分支结构 C++ Compile Error 0 MS 0 KB 140 2026-03-16 16:59:25

Tests(0/0):

Code:

#include <iostream> using namespace std; int main(){ int x; cin>>x; if(x>0){ cout<<"1"; }else if(x<0){ cout<<"-1"; }else{ cout<<"0"; } }

Run Info:

Main.cc:1:21: warning: extra tokens at end of #include directive
 #include  using namespace std; int main(){ int x; cin>>x; if(x>0){ cout<<"1"; }else if(x<0){ cout<<"-1"; }else{ cout<<"0"; } }
                     ^
/usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/crt1.o: In function `_start':
(.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status