#include <stdio.h>
#include <stdlib.h>
#include <sys/times.h>


int main (void){
	int ent1, ent2, n, result, score=0;
	clock_t tiempo;
	struct tms t;
	tiempo = times (&t);
	srandom (tiempo);
	for (n=0; n<10; n++){
		ent1 = random()%100+1;
		ent2 = random()%10+1;
		printf("%d x %d\n", ent1, ent2);
		scanf("%d", &result);
		if (result == ent1*ent2){
			printf("Correcto!!\n");
			score++;
		}
		else {
			printf("Falso! El resultado es %d\n", ent1*ent2);
		}
	}
	printf("Puntaje= %d / %d\n", score, n);
	return 0;
}