10810번, 공 넣기

#include <stdio.h>
int main(){
    int arr[100] = {0};
    int i, j, k, n, m;
    scanf("%d %d", &n, &m);
    for (int a = 0; a < m; a++){
        scanf("%d %d %d", &i, &j, &k);
        for (int b = i; b <= j; b++){
            arr[b-1] = k;
        }
    }
    for (int a = 0; a < n; a++){
        printf("%d ", arr[a]);
    }
}