2 solutions

  • 6
    @ 2024-7-25 16:16:22

    #include<bits/stdc++.h>
    using namespace std;
    int main()
    {
        int k;
        cin>>k;
        for(int i=1;i<=k;i++)
        {
            string s1;
            cin>>s1;
            int n=s1.size();
            for(int j=0;j<n;j+=2)
            {
                swap(s1[j],s1[j+1]);
            }
            cout<<s1<<endl;
        }
        return 0;
    }
    • -3
      @ 2024-7-24 16:17:45
      #include<bits/stdc++.h>
      using namespace std;
      int main(){
           int t;
           cin>>t;
           while(t--){
                string s;
                cin>>s;
                if(s.size()==1){
                     cout<<s<<endl;
                }
                else{
                     for(int i=0,j=1;i<s.size(),j<s.size();i+=2,j+=2){
                          swap(s[i],s[j]);
                     }
                     cout<<s<<endl;
                }
                
           }
           return 0;
      }
      
      • 1

      Information

      ID
      91
      Time
      1000ms
      Memory
      256MiB
      Difficulty
      1
      Tags
      (None)
      # Submissions
      39
      Accepted
      25
      Uploaded By