题解 | #牛牛的替换#
牛牛的替换
https://www.nowcoder.com/practice/f2a107dbb99243798d3048a672e8f747
#include <stdio.h>
int main() {
int n;
char a1, a2, a3, a4;
scanf("%d %c %c %c %c\n", &n, &a1, &a2, &a3, &a4);
char str[50]={0};
gets(str);
for(int i=0;i<n;i++)
{
if(str[i]==a1)
{
str[i]=a2;
}
if(str[i]==a3)
{
str[i]=a4;
}
printf("%c",str[i]);
}
return 0;
}

