Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
124221 田子熙 数组中元素交换 C++ Compile Error 0 MS 0 KB 276 2025-07-11 10:54:15

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int a[105]; int main(){ cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; } for(int i=1;i<n;i+=2){ int c=a[i]; a[i]=a[i+1]; a[i+1]=k; } for(int i=1;i<=n;i++){ cout<<a[i]<<" "; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:5:7: error: 'n' was not declared in this scope
  cin>>n;
       ^
Main.cc:13:10: error: 'k' was not declared in this scope
   a[i+1]=k;
          ^
Main.cc:11:7: warning: unused variable 'c' [-Wunused-variable]
   int c=a[i];
       ^