WERTYU UVA - 10082

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最新推荐文章于 2022-02-24 16:46:19 发布

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分类专栏：程序设计基础数据结构与算法文章标签： uva

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本文介绍了一种键盘输入错误的解码算法，通过将输入的字符替换为QWERTY键盘上左侧的字符来纠正右移一位的打字错误。输入包括字母、数字和特定标点符号。

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WERTYU UVA - 10082

A common typing error is to place the
hands on the keyboard one row to the
right of the correct position. So ‘Q’ is
typed as ‘W’ and ‘J’ is typed as ‘K’ and
so on. You are to decode a message typed in this manner.

Input
Input consists of several lines of text. Each line may contain digits, spaces, upper case letters (except
Q, A, Z), or punctuation shown above [except back-quote (‘)]. Keys labelled with words [Tab, BackSp,
Control, etc.] are not represented in the input.

Output
You are to replace each letter or punction symbol by the one immediately to its left on the ‘QWERTY’
keyboard shown above. Spaces in the input should be echoed in the output.

Sample Input
O S, GOMR YPFSU/

Sample Output
I AM FINE TODAY.

题目大意：给你一个键盘，错位（右移一位）敲击后，输出正确的序列，比如敲成了WERTY 应该是QWERT才对，所有的都是右移一位；

#include <stdio.h>
#include <bits/stdc++.h>
using namespace std;

char *s = "`1234567890-=QWERTYUIOP[]\\ASDFGHJKL;'ZXCVBNM,./";
int main()
{
    int i,c;
    while ((c = getchar()) != EOF)//找到就输出它的前一个啦
    {
        for (i=1; s[i] && s[i]!=c; i++);
        if (s[i])
            putchar(s[i-1]);
        else
            putchar(c);
    }
    return 0;
}