蓝桥杯练习—字符串

 #define _CRT_SECURE_NO_WARNINGS 1 
#include<cstdio>
#include<cstring>

char s[1005];

int main()
{
	int len;
	scanf("%s", s);
	len = strlen(s);
	for (int i = 0; i < len; i++)
	{
		if (s[i] == 'z')
		{
			s[i] = 'a';
		}
		else if(s[i] == 'Z')
		{
			s[i] = 'A';
		}
		else if (s[i] >= 'A' && s[i] <= 'Z' || s[i] >= 'a' && s[i] <= 'z')
		{
			s[i]++;
		}
	}
	printf("%s\n", s);
	return 0;
}