#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