yusijia’s blog ZOJ 3878

#include <iostream>
#include <algorithm>
#include <map>
#include <cstring>
using namespace std;

char str1[]= {"-=_+qwertyuiop[]QWERTYUIOP{}asdfghjkl;'ASDFGHJKL:"zxcvbnm,./ZXCVBNM<>?"};
char str2[]= {"[]{}',.pyfgcrl/="<>PYFGCRL?+aoeuidhtns-AOEUIDHTNS_;qjkxbmwvz:QJKXBMWVZ"};

int ()
{
    char ch;
    map<char, char> mp;
    int len = strlen(str1);
    for(int i = 0; i < len; i++)
        mp[str1[i]] = str2[i];
    while(scanf("%c", &ch) == 1){
        if(!mp[ch])
            putchar(ch);
        else
            putchar(mp[ch]);
    }
    return 0;
}