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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. using namespace std;
  12.  
  13. vector<string> split(string haystack, string needle) {
  14.     vector<string> result;
  15.     int startPos = 0;
  16.     int foundPos = haystack.find(needle, startPos);
  17.     while (foundPos != string::npos) {
  18.         int count = foundPos - startPos;
  19.         string token = haystack.substr(startPos, count);
  20.         if (!token.empty()) {
  21.             result.push_back(token);
  22.         }
  23.         startPos = foundPos + needle.length();
  24.         foundPos = haystack.find(needle, startPos);
  25.     }
  26.     string token = haystack.substr(startPos, haystack.length() - startPos);
  27.     if (!token.empty()) {
  28.         result.push_back(token);
  29.     }
  30.     return result;
  31. }
  32.  
  33. string nameConvert(const string& name) {
  34.     const string DELIMITER = " ";
  35.     stringstream builder;
  36.     auto parts = split(name, DELIMITER);
  37.     for (auto part : parts) {
  38.         part[0] = toupper(part[0]);
  39.         transform(part.begin() + 1, part.end(), part.begin() + 1, ::tolower);
  40.         builder << part << DELIMITER;
  41.     }
  42.     return builder.str();
  43. }
  44.  
  45. string dateConvert(const string& date) {
  46.     const string DELIMITER = "/";
  47.     stringstream builder;
  48.     auto parts = split(date, DELIMITER);
  49.     builder << setw(2) << setfill('0') << parts[0] << DELIMITER;
  50.     builder << setw(2) << setfill('0') << parts[1] << DELIMITER;
  51.     builder << parts[2];
  52.     return builder.str();
  53. }
  54.  
  55. string maxValue(int m, int s) {
  56.     string result = "";
  57.     while (m--) {
  58.         if (s > 9) {
  59.             result = result + '9';
  60.             s = s - 9;
  61.         }
  62.         else {
  63.             result = result + to_string(s);
  64.             s = 0;
  65.         }
  66.     }
  67.     return result;
  68. }
  69. string minValue(int m, int s) {
  70.     string result = "";
  71.     s--;
  72.     while (m--) {
  73.         if (s > 9) {
  74.             result = result + '9';
  75.             s = s - 9;
  76.         }
  77.         else {
  78.             result = to_string(s) + result;
  79.             s = 0;
  80.         }
  81.     }
  82.     result[0]++;
  83.     return result;
  84. }
  85.  
  86. int main() {
  87.     ios_base::sync_with_stdio(false);
  88.     cin.tie(NULL);
  89.  
  90.     string s;cin >> s;
  91.  
  92.     for (int i = 0;i < s.length();i++) {
  93.         if (!isdigit(s[i])) {
  94.             s[i] = ' ';
  95.         }
  96.     }
  97.     auto parts = split(s, " ");
  98.     vector<string> v;
  99.     for (auto part : parts) {
  100.         while (part[0] == '0') {
  101.             part.erase(0, 1);
  102.         }
  103.         if (part.size() != 0) {
  104.             v.push_back(part);
  105.         }
  106.     }
  107.  
  108.     sort(v.begin(), v.end(), [](string a, string b) {
  109.         if (a.length() != b.length()) {
  110.             return a.length() < b.length();
  111.         }
  112.         return a < b;
  113.     });
  114.  
  115.     if (v.size() == 0) {
  116.         cout << 0;
  117.     }
  118.     else {
  119.         cout << *(v.rbegin());
  120.     }
  121.     return 0;
  122. }
  123.  
  124.  
Success #stdin #stdout 0s 5324KB
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https://ideone.com/Awhd7E
language:
C++ (gcc 8.3)
created:
23 hours ago
visibility:
public

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