13.c

#include <stdio.h>

    #define N 1000000

int main(){
    int v[N];
    int n, i, j, aux, vet, comp= 0;

    scanf("%d", &n);

    for(i=0; i<n; i++){
        scanf("%d", &v[i]);
    }

    for(i=0; i<n; i++){
        aux = 0;
        for(j=i; j<n; j++){
            if(v[i] == v[j]){
                aux++;
                if(aux > comp){
                    comp = aux;
                    vet = v[j];
                }
            }
        }
    }
    printf("%d\n%d\n", vet, comp);

    return 0;
}
×