Cod sursa(job #1364751)
Utilizator | Andronache Simone redducks100 | Data | 27 februarie 2015 20:02:51 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.62 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int v[3000000];
int main()
{
int n,nr,i,maj;
f>>n;
for(i=0;i<n;i++)
f>>v[i];
maj = v[0];
nr=1;
for(i=1;i<n;i++)
if(v[i] == maj)
nr++;
else
{
nr--;
if(nr<0){
maj=v[i];
nr=1;
}
}
nr=0;
for(i=0;i<n;i++)
if(v[i]==maj)
nr++;
if(nr > n /2)
g<<maj<<" "<<nr<<"\n";
else
g<<"-1/n";
return 0;
}