Cod sursa(job #2732838)
Utilizator | Valentin Chipuc valentinchipuc123 | Data | 29 martie 2021 14:05:07 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.51 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,v[1000005];
int main()
{
f>>n;
for(int i=1;i<=n;i++) f>>v[i];
int element=0,ct=0;
for(int i=1;i<=n;i++){
if( ct==0 ){
ct=1;
element=v[i];
continue;
}
if( element==v[i] ) ct++;
else ct--;
}
if( ct==0 ){
g<<"-1";
return 0;
}
ct=0;
for(int i=1;i<=n;i++) if( element==v[i] ) ct++;
if( ct>=n/2+1 ){
g<<element<<' '<<ct;
return 0;
}
g<<"-1";
}