Submission #398844

#	Time	Username	Problem	Language	Result	Execution time	Memory
398844		almothana05	Three Friends (BOI14_friends)	C++14	100 / 100	14 ms	5240 KiB

friends

#include<iostream>
#include<vector>
#include<string>
#include<string.h>
using namespace std;
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int menge , numm , nummer  ,cmp1 , cmp2 , mit;
    bool   kann1 = 0 , kann2 = 0;
    string s , s1 ,s2;
    cin >> menge >> s;
    if(menge  % 2 == 0){
        cout << "NOT POSSIBLE" << endl;
        return 0;
    }
    mit = menge /2;
    for(int i  = 0 , j = mit + 1 ; i <= mit ; i++ ){
        if(s[i] == s[j]){
            j++;
        }
        if(j == menge ){
            kann1 = 1;
            break;
        }
    }
    for(int i = mit , j = 0 ; i < menge ;i++){
        if(s[i] == s[j]){
            j++;
        }
        if(j == mit ){
            kann2 = 1;
            break;
        }
    }
    s1 = s.substr(0 , mit);
    s2 = s.substr(mit + 1 , mit);
    if(kann1 == 1){
        if(kann2 == 1 && s1 != s2){
            cout << "NOT UNIQUE" << endl;
        }
        else{
            cout << s2 << endl;
        }
    }
    else if(kann2 == 1){
        cout << s1 << endl;
    }
    else{
        cout << "NOT POSSIBLE"<< endl;
    }
    //cout << kann1 << ' ' << nu1 << "\n" << kann2 << ' ' << nu2<<"\n";
    return 0;
}

Compilation message (stderr)

friends.cpp: In function 'int main()':
friends.cpp:9:17: warning: unused variable 'numm' [-Wunused-variable]
    9 |     int menge , numm , nummer  ,cmp1 , cmp2 , mit;
      |                 ^~~~
friends.cpp:9:24: warning: unused variable 'nummer' [-Wunused-variable]
    9 |     int menge , numm , nummer  ,cmp1 , cmp2 , mit;
      |                        ^~~~~~
friends.cpp:9:33: warning: unused variable 'cmp1' [-Wunused-variable]
    9 |     int menge , numm , nummer  ,cmp1 , cmp2 , mit;
      |                                 ^~~~
friends.cpp:9:40: warning: unused variable 'cmp2' [-Wunused-variable]
    9 |     int menge , numm , nummer  ,cmp1 , cmp2 , mit;
      |                                        ^~~~

• Subtask 1: 35 / 35
• Subtask 2: 65 / 65