[C]使用嵌套循环,按下面的格式打印字母

使用嵌套循环,按下面的格式打印字母

 这个题目的解答本人做了下延伸,按照题目格式打印至了Z

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>

int main(void)

{
	char col;
	int row, n, num;
	num = 0;

	for (row = 1; row <= 10; row++)
	{

		for (col = ('A' + num), n = 1; n <= row && col <= 'Z'; n++, col++)
		{
			printf("%c", col);
		}
		printf("\n");
		num = num + row;
	}
	system("pause");
	return 0;
}