历届试题_空白格式化

 1 #include<bits/stdc++.h>
 2 
 3 using namespace std;
 4 
 5 void f(char* from, char* to)
 6 {
 7     char* p_from = from;
 8     char* p_to = to;
 9     
10     while(*p_from==‘ ‘ || *p_from==‘\t‘ || *p_from==‘\n‘) p_from++;
11     
12     do{
13         if(*p_from==‘ ‘ || *p_from==‘\t‘ || *p_from==‘\n‘){ 
14             do{
15             p_from++;
16             } while(*p_from==‘ ‘ || *p_from==‘\t‘ || *p_from==‘\n‘);
17             if(*p_from!=NULL) *p_to++ = ‘ ‘;  //填空位置
18         }
19     }while(*p_to++ = *p_from++);
20 }
21 
22 
23 int main()
24 {
25    char a[]="   asad v     dwdwdw";
26    char b[]="";
27    //char* a="   asad v     dwdwdw";
28    //char* b="";
29    f(a,b);
30    cout << b<< "=b"<<endl;
31     return 0;
32  }