Cod sursa(job #1787677)
| Utilizator | Data | 24 octombrie 2016 21:39:13 | |
|---|---|---|---|
| Problema | Elementul majoritar | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.63 kb |
#include <fstream>
#define Nmax 1000000
using namespace std;
int a[Nmax];
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int MoreMajority(int n,int a[])
{
int cand=-1,k=0;
for(int i=1;i<=n;i++)
{
if(k==0)
cand=a[i],k=1;
else
if(a[i]==cand)
k++;
else
k--;
}
int nr=0;
for(int i=1;i<=n;i++)
if(a[i]==cand)nr++;
if(nr>=(n/2+1))
g<<cand<<" "<<nr;
else
g<<"-1";
}
int main()
{
int n;
f>>n;
for(int i=1;i<=n;i++)
f>>a[i];
MoreMajority(n,a);
}
