#include <stdio.h>

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

敲代码真的好难啊,每天逼着自己敲两道