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; }