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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main(){
  5.     ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
  6.         string s; getline(cin,s);
  7.         while (s[0] == ' ') s.erase(0,1);
  8.         while (s[s.size() - 1] == ' ') s.erase(s.size() - 1,1);
  9.         s[0] = toupper(s[0]);
  10.         string v;
  11.         bool check = 0;
  12.         for (char c : s){
  13.             if (isspace(c)){
  14.                 if (!check){
  15.                     v += ' ';
  16.                     check = 1;
  17.                 }
  18.             }
  19.                 else{
  20.                     v += c;
  21.                     check = 0;
  22.                 }
  23.         }
  24.         cout << v;
  25.       return 0;
  26. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/1Ojb7C
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language:
C++14 (clang 8.0)
created:
4 days ago
visibility:
public

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