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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. bool isPrime(long long n) {
  56.     for (int i = 2;i * i <= n;i++) {
  57.         if (n % i == 0) {
  58.             return false;
  59.         }
  60.     }
  61.     return n >= 2;
  62. }
  63.  
  64. bool isAllDigitPrime(string n) {
  65.     for (int i = 0;i < n.length();i++) {
  66.         if (n[i] != '2' && n[i] != '3' && n[i] != '5' && n[i] != '7') {
  67.             return false;
  68.         }
  69.     }
  70.     return true;
  71. }
  72.  
  73. bool isSumDigitPrime(string n) {
  74.     long long sum = 0;
  75.     for (int i = 0;i < n.length();i++) {
  76.         sum = sum + (n[i] - '0');
  77.     }
  78.     return isPrime(sum);
  79. }
  80. int main() {
  81.     ios_base::sync_with_stdio(false);
  82.     cin.tie(NULL);
  83.  
  84.     string n;cin >> n;
  85.     if (isAllDigitPrime(n) && isSumDigitPrime(n)) {
  86.         cout << "YES";
  87.     }
  88.     else {
  89.         cout << "NO";
  90.     }
  91.     return 0;
  92. }
  93.  
  94.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/GeYxLM
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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