poj2538

简单题

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

char key[4][20];

int main()
{
    //freopen("t.txt", "r", stdin);
    strcpy(key[0], "1234567890-=");
    strcpy(key[1], "QWERTYUIOP[]\\");
    strcpy(key[2], "ASDFGHJKL;'");
    strcpy(key[3], "ZXCVBNM,./");
    char st[1000];
    while (gets(st) && strcmp(st, "") != 0)
    {
        int len = strlen(st);
        for (int i = 0; i < len; i++)
        {
            if (st[i] == ' ')
            {
                putchar(' ');
                continue;
            }
            bool found = false;
            for (int j = 0; j < 4; j++)
            {
                int len1 = strlen(key[j]);
                for (int k = 0; k < len1; k++)
                    if (key[j][k] == st[i])
                    {
                        putchar(key[j][k - 1]);
                        found = true;
                        break;
                    }
                if (found)
                    break;
            }
        }
        putchar('\n');
    }
    return 0;
}