3 solutions

  • 1
    @ 2025-7-7 11:43:28
    #include<bits/stdc++.h>
    using namespace std;
    int main()
    {
        char a,b,c;
        cin>>a>>b>>c;
        if(a==b && b==c) cout<<-1;
        else if(a==b) cout<<c;
        else if(a==c) cout<<b;
        else cout<<a;
        return 0;
    }
    
    • 0
      @ 2025-5-10 11:41:45
      #include<bits/stdc++.h>
      using namespace std;
      const int N=100010;
      int a[N],b[N]; 
      int main()
      {
      	char a,b,c;
      	cin>>a>>b>>c;
      	if(a==b&&b==c) cout<<-1;
      	else if(a==c) cout<<b;
      	else if(b==c) cout<<a; 
      	else if(a==b) cout<<c;
      	else cout<<a; 
      	return 0;
      }
      • -1
        @ 2025-7-7 11:43:52
        #include<bits/stdc++.h>
        using namespace std;
        const int N=100010;
        int a[N],b[N]; 
        int main()
        {
        	char a,b,c;
        	cin>>a>>b>>c;
        	if(a==b&&b==c) cout<<-1;
        	else if(a==c) cout<<b;
        	else if(b==c) cout<<a; 
        	else if(a==b) cout<<c;
        	else cout<<a; 
        	return 0;
        }
        
        • 1

        Information

        ID
        2369
        Time
        1000ms
        Memory
        256MiB
        Difficulty
        1
        Tags
        (None)
        # Submissions
        88
        Accepted
        35
        Uploaded By