UVA-10082 WERTYU

来源：互联网发布：java 乱码中文为问号编辑：程序博客网时间：2024/05/16 08:03

http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=19338

首先读入的整个字符串，是向右偏移了一位形成的，要我们输出原来的字符串，这样可以用一个字符数组把键盘上所有能打印出的字符保存下来，然后每次读入一个字符后判断在字符数组中的下标输出前一位即可，注意空格输出空格。

#include <iostream>#include <cstdio>#include <cmath>#include <vector>#include <cstring>#include <algorithm>#include <string>#include <set>#include <functional>#include <numeric>#include <sstream>#include <stack>#include <map>#include <queue>#define CL(arr, val)    memset(arr, val, sizeof(arr))#define ll long long#define inf 0x7f7f7f7f#define lc l,m,rt<<1#define rc m + 1,r,rt<<1|1#define pi acos(-1.0)#define L(x)    (x) << 1#define R(x)    (x) << 1 | 1#define MID(l, r)   (l + r) >> 1#define Min(x, y)   (x) < (y) ? (x) : (y)#define Max(x, y)   (x) < (y) ? (y) : (x)#define E(x)        (1 << (x))#define iabs(x)     (x) < 0 ? -(x) : (x)#define OUT(x)  printf("%I64d\n", x)#define lowbit(x)   (x)&(-x)#define Read()  freopen("din.txt", "r", stdin)#define Write() freopen("dout.txt", "w", stdout);#define Nn 510007#define Mc 26using namespace std;char s[55]="`1234567890-=QWERTYUIOP[]\ASDFGHJKL;'ZXCVBNM,./";int main(){    int i,c;    while((c=getchar())!=EOF)    {        for(i=1;s[i]&&s[i]!=c;i++);        if(s[i]) putchar(s[i-1]); //s[i]!='\0'  '\0'的值是0;        else putchar(c);    }    return 0;}

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