每日一算法:字符串的替换

#include 
#include 


void replace(char string[], char key[], char swap[])
{
	int stringlen,keylen,swaplen,i,j,flag;
	char temp[1001];  //开辟一个能够容纳最长字符串的数组
	stringlen = strlen(string);
	keylen = strlen(key);
	swaplen = strlen(swap);

	for (i=0; i<= stringlen-keylen; i++)
	{
		flag = 1;
		for (j=0; j