oj.uz

Submission #624808

# Submission time Handle Problem Language Result Execution time Memory
624808 2022-08-08T18:57:28 Z rm1729 Utrka (COCI14_utrka) C++14
80 / 80
 348 ms 23716 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

void solve(){
    int n; cin >>n;
    map <string,vector <int>> si;
    map <int,string> is;

    for(int i=0; i<n; i++){
        string s;
        cin >>s;
        if(si[s].size()==0) si[s].push_back(0);
        si[s].push_back(i);
        si[s][0]++;
        is[i]=s;
    }

    vector <bool> check(n, true);
    for(int i=0; i<n-1; i++){
        string s;
        cin >>s;
        int k = si[s][si[s][0]];
        si[s][0]--;
        check[k]=false;
    }
    for(int i=0; i<n; i++){
        if(check[i]) cout <<is[i]; 
    }
}

signed main(){
    int t=1;// cin >>t;
    while(t--){
        solve();
    }
    return 0;
}

Subtask #1
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 0 ms 292 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 3 ms 468 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 158 ms 11980 KB Output is correct
7 Correct 245 ms 17836 KB Output is correct
8 Correct 317 ms 21792 KB Output is correct
9 Correct 346 ms 23660 KB Output is correct
10 Correct 348 ms 23716 KB Output is correct