HDU 4690 EBCDIC
Jimmy Carlson
posted @ 2016年6月30日 00:22
in OI / CS
, 1040 阅读
2019 JCarlson Works All Rights Reserved
2019 JCarlson Works All Rights Reserved
题目URL：http://acm.hdu.edu.cn/showproblem.php?pid=4690
类型：码农题
首先告诉你这是一台上古时期的计算机所使用的交换码表格，叫做 Extended Binary Coded Decimal Interchange Code (EBCDIC)。
现在给你一串EBCDIC串（HEX），你需要把它转成ASCII串（HEX）。
Sample Input
C59340D7A2A840C3969587999696
Sample Output
456C2050737920436F6E67726F6F
查表查的好累人啊……
#include<iostream>
#include<cstdlib>
#include<cstdio>
using namespace std;
int chart[16][16]={{0,1,2,3,128,9,128,127,128,128,128,11,12,13,14,15},
{16,17,18,19,128,128,8,128,24,25,128,128,28,29,30,31},
{128,128,128,128,128,10,23,27,128,128,128,128,128,5,6,7},
{128,128,22,128,128,128,128,4,128,128,128,128,20,21,128,26},
{32,128,128,128,128,128,128,128,128,128,128,46,60,40,43,124},
{38,128,128,128,128,128,128,128,128,128,33,36,42,41,59,128},
{45,47,128,128,128,128,128,128,128,128,128,44,37,95,62,63},
{128,128,128,128,128,128,128,128,128,96,58,35,64,39,61,34},
{128,97,98,99,100,101,102,103,104,105,128,128,128,128,128,128},
{128,106,107,108,109,110,111,112,113,114,128,128,128,128,128,128},
{128,126,115,116,117,118,119,120,121,122,128,128,128,128,128,128},
{94,128,128,128,128,128,128,128,128,128,91,93,128,128,128,128},
{123,65,66,67,68,69,70,71,72,73,128,128,128,128,128,128},
{125,74,75,76,77,78,79,80,81,82,128,128,128,128,128,128},
{92,128,83,84,85,86,87,88,89,90,128,128,128,128,128,128},
{48,49,50,51,52,53,54,55,56,57,128,128,128,128,128,128}
};
void printhex(int absi){
int r=absi/16; int s=absi%16;
if (r<10) {cout<<r;} else {cout<<(char)(r+55);}
if (s<10) {cout<<s;} else {cout<<(char)(s+55);}
}
int main(){
char a,b; int c,d;
while (true){
a=getchar(); if (a=='\n') break; b=getchar();
if (a>='0' && a<='9') {c=(int)a-48;} else {c=(int)a-55;}
if (b>='0' && b<='9') {d=(int)b-48;} else {d=(int)b-55;}
printhex(chart[c][d]);
}
cout<<endl;
return 0;
}
不要吐槽我为什么不直接把chart搞成字符型的……我没想起来好了吧……
结果就是累死人= =
2018年7月12日 17:25
int absi可还行
2022年8月31日 14:55
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