#include <stdio.h> void TakePlaceChar(char* CH, int N, int A, int B, int C, int D); //字符替换函数 int main() { int n = 0; char a1, a2, a3, a4; scanf("%d %c %c %c %c",&n, &a1, &a2, &a3, &a4); //字符串长度以及四个字符 char ch[n]; //字符数组 scanf("%s",ch); //字符串 TakePlaceChar...