团体程序设计天梯赛-练习集(7-32 说反话-加强版)

Posted 2020-11-25 jianqiao123

7-32 说反话-加强版 (20分)

https://pintia.cn/problem-sets/14/problems/812

 1 #include <iostream>
 2 #include <cstdio>
 3 #include <cstring>
 4 #include <string>
 5 #include <cmath>
 6 #include <algorithm>
 7 using namespace std;
 8 int main()
 9 {
10     string str;
11     getline(cin,str);
12     int len=str.length();
13     int i,j,k;
14     int cnt=0,flag=1,start=0;
15     for(i=0;i<len;i++)
16     if(str[i]!=‘ ‘) 
17     {
18         start=i;
19         break;
20     }
21     for(i=len-1;i>=0;i--)
22     {
23         if(str[i]!=‘ ‘)
24         {
25             flag=0;
26             cnt++;
27         }
28         else if(!flag)
29         {
30             flag=1;
31             for(j=i+1;j<i+1+cnt;j++) cout<<str[j];
32             if(i+1!=start) cout<<" ";
33             cnt=0; 
34         }
35     }
36     for(i=start;i<start+cnt;i++) cout<<str[i];
37     cout<<endl;
38     return 0;
39  }