Cod sursa(job #965817)

Utilizator miu_mik93FMI - Paduraru Miruna miu_mik93 Data 24 iunie 2013 19:36:57
Problema Elementul majoritar Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.65 kb
#include <stdio.h>
#include <math.h>
#include <iostream>
#include <string>
using namespace std;
#define NMax 1000000
long int *v;
int main()
{
	FILE *f = fopen("elmaj.in", "r");
	FILE *g = fopen("elmaj.out", "w");
	int n;
	fscanf(f, "%d", &n);
	v = new long int [n];
	for (int i=0; i<n; i++)
		fscanf(f, "%lld", &v[i]);
	int cand = -1, k = 0, nr  = 0 ;
	for (int i = 0; i < n; i++)
	{
		if (k == 0)
		{
			cand = v[i];
			k = 1;
		}
		else
			if (v[i] == cand)
				k++;
			else
				k--;
	}
	for (int i=0; i<n; i++)
		if (v[i] == cand)
			nr++;
	if (nr > n / 2)
		fprintf(g, "%lld %d", cand, nr);
	fclose(g);
	fclose(f);
	return 0;
}