字符串去重复

把字符串重复的去掉

#include <iostream>#include <cstdio>#include <string.h>                          using namespace std;char map[1000]={0};void fun(){int len= strlen(map);int a[256];memset(a,0,sizeof(a));int i=0,j=0;for(i=0;i<len;i++){if(a[map[i]]==0){a[map[i]]=1;map[j++]=map[i];}}map[j]='\0';}int main(){gets(map);fun();puts(map);}