【编程题】统计并输出几行文字的大小写字母，数字等

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>

int main()
{
	int i,j,upr,lwr,num,span,other;
	i = j = upr = lwr = num = span = other = 0;
	char text[3][60];
	for (i = 0; i < 3; i++)
	{
		printf("Please input line %d：", i + 1);
		gets(text[i]);
		for (j = 0;  text[i][j] != '\0';  j++)
		{
			if (text[i][j] >= 'A' && text[i][j] <= 'Z')
				upr++;
			else if (text[i][j] >= 'a' && text[i][j] <= 'z')
				lwr++;
			else if (text[i][j] >= '0' && text[i][j] <= '9')
				num++;
			else if (text[i][j] = ' ')
				span++;
			else
				other++;
		}
	}
	puts("\nCount up:");
	printf("大写字母：%d个\n", upr);
	printf("小写字母：%d个\n", lwr);
	printf("数字：%d个\n", num);
	printf("空格：%d个\n", span);
	printf("其他：%d个\n", other);

	return 0;
}