randomgen

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main(){
    int tam, num, n;
    srand((unsigned)time(NULL));
    FILE *input;
    input = fopen("2.in", "w");
    if(input==NULL){
        printf("Erro1\n");
        exit(1);
    }
    scanf("%d", &tam);
    while(tam--){
        num = rand()%9;
        fprintf(input, "%d\n", num);
    }
    fclose(input);
    return 0;
}