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发表于 2021-11-12 22:53:24
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本帖最后由 jhq999 于 2021-11-13 05:44 编辑
- #include <stdio.h>
- #include <iostream>
- using namespace std;
- int main ()
- {
-
- char a[64]={0},b[8]={0};
- int i=0,j=0,k=0,charval=0;
- cin>>a;
- i=0;
- while(a[i])
- {
- if('%'==a[i])
- {
- j=1;
- while(a[i+j]>='0'&&a[i+j]<='9')j++;
- for (k = 0; k<j-1; k++)
- {
- b[k]=a[i+k+1];
- }
- b[k]='\0';
- sscanf(b,"%x",&charval);
- a[i]=charval;
- j--;
- for (k=i+1; a[k+j]; k++)//可以用#include <cstring>里的strcpy(a+i+1,a+i+1+j);
- {
- a[k]=a[k+j];
- }
- a[k]=a[k+j];
- }
- i++;
- }
- printf("%s",a);
- return 0;
- }
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