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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <map>
  4. #include <set>
  5. #include <cmath>
  6. #include <vector>
  7. #include <climits>
  8. #include <string>
  9. #include <algorithm>
  10. #include <sstream>
  11. #include <numeric>
  12. using namespace std;
  13.  
  14. vector<string> split(string haystack, string needle) {
  15.     vector<string> result;
  16.     int startPos = 0;
  17.     int foundPos = haystack.find(needle, startPos);
  18.     while (foundPos != string::npos) {
  19.         int count = foundPos - startPos;
  20.         string token = haystack.substr(startPos, count);
  21.         if (!token.empty()) {
  22.             result.push_back(token);
  23.         }
  24.         startPos = foundPos + needle.length();
  25.         foundPos = haystack.find(needle, startPos);
  26.     }
  27.     string token = haystack.substr(startPos, haystack.length() - startPos);
  28.     if (!token.empty()) {
  29.         result.push_back(token);
  30.     }
  31.     return result;
  32. }
  33.  
  34. string nameConvert(const string& name) {
  35.     const string DELIMITER = " ";
  36.     stringstream builder;
  37.     auto parts = split(name, DELIMITER);
  38.     for (auto part : parts) {
  39.         part[0] = toupper(part[0]);
  40.         transform(part.begin() + 1, part.end(), part.begin() + 1, ::tolower);
  41.         builder << part << DELIMITER;
  42.     }
  43.     return builder.str();
  44. }
  45.  
  46. string dateConvert(const string& date) {
  47.     const string DELIMITER = "/";
  48.     stringstream builder;
  49.     auto parts = split(date, DELIMITER);
  50.     builder << setw(2) << setfill('0') << parts[0] << DELIMITER;
  51.     builder << setw(2) << setfill('0') << parts[1] << DELIMITER;
  52.     builder << parts[2];
  53.     return builder.str();
  54. }
  55.  
  56.  
  57. int main() {
  58.     ios_base::sync_with_stdio(false);
  59.     cin.tie(NULL);
  60.  
  61.     string s;cin >> s;
  62.  
  63.     size_t position;
  64.     while ((position = s.find("111")) != string::npos) {
  65.         s.erase(position, 3);
  66.     }
  67.     if (s.empty()) {
  68.         cout << "EMPTY";
  69.     }
  70.     else {
  71.         cout << s;
  72.     }
  73.     return 0;
  74. }
  75.  
  76.  
Success #stdin #stdout 0s 5316KB
comments (?)
stdin
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Standard input is empty
stdout
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EMPTY
https://ideone.com/0H4N4B
language:
C++ (gcc 8.3)
created:
23 hours ago
visibility:
public

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