Cod sursa(job #1822146)

Utilizator matei8787Matei Dobrea matei8787 Data 4 decembrie 2016 13:08:36
Problema Sortare prin comparare Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include<cstdio>
using namespace std;
int main()
{
    freopen("aparitii.in","r",stdin);
    freopen("aparitii.out","w",stdout);
    int n,i,z,nr;
    scanf("%d%d",&n,&nr);
    z = nr;
    for( i = 1 ; i <= n * 2 - 2 ; i++ ){
        scanf("%d",&nr);
        z = z ^ nr;
    }
    printf("%d",z);
    return 0;
}