6 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;
        }
        
        • -3
          @ 2025-5-10 11:42:06

          #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(ab&&bc) cout<<-1; else if(ac) cout<<b; else if(bc) cout<<a; else if(a==b) cout<<c; else cout<<a; return 0; }

          • -3
            @ 2025-5-10 11:41:54

            #include<bits/stdc++.h> using namespace std; int main() { char a,b,c; cin>>a>>b>>c; if(ab&&ac&&bc) { cout<<"-1"; } else if(ab) { cout<<c; } else if(ac) { cout<<b; } else if(bc) { cout<<a; } else { cout<<a; }

            return 0;
            

            }

            • -3
              @ 2025-5-10 11:41:35

              #include<bits/stdc++.h> using namespace std; int main() { char a,b,c; cin>>a>>b>>c; if(ab&&ac&&bc) { cout<<"-1"; } else if(ab) { cout<<c; } else if(ac) { cout<<b; } else if(bc) { cout<<a; } else { cout<<a; }

              return 0;
              

              }

              • 1

              Information

              ID
              2369
              Time
              1000ms
              Memory
              256MiB
              Difficulty
              1
              Tags
              (None)
              # Submissions
              74
              Accepted
              28
              Uploaded By