Cod sursa(job #2794326)
Utilizator | Data | 4 noiembrie 2021 17:49:38 | |
---|---|---|---|
Problema | Elementul majoritar | Scor | 90 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.23 kb |
#include <bits/stdc++.h>
using namespace std;ifstream u("elmaj.in");ofstream o("elmaj.out");unordered_map<int,int> f;int main(){int n,m,k;u>>n;for(int i=0;i<n;i++){u>>k;if(++f[k]>f[m])m=k;}if(f[m]>=n/2+1)o<<m<<' '<<f[m];else o<<-1;}