题解 | #数字三角形#

#include <stdio.h>

int main()
{
    int n ;
    while(scanf("%d", &n) != -1)
    {
        for (int i = 1; i <= n ; i++)
        {
            for (int j = 1; j <= i; j++)
            {
                printf("%d ", j);
            }
            printf("\n");
        }
    }
    return 0;
}