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  1. #include "bits/stdc++.h"
  2.  
  3. using namespace std;
  4.  
  5. class Random {
  6. public:
  7.     Random() = default;
  8.  
  9.     Random(std::mt19937::result_type seed) : eng(seed) {}
  10.  
  11.     long long DrawNumber(long long min, long long max);
  12.  
  13. private:
  14.     std::mt19937 eng{std::random_device{}()};
  15. };
  16.  
  17. long long Random::DrawNumber(long long min, long long max) {
  18.     if (max < min)return 0;
  19.     return std::uniform_int_distribution<long long>{min, max}(eng);
  20. }
  21.  
  22.  
  23. Random rnd(0);
  24.  
  25. void generate() {
  26.     ofstream cout("test.in");
  27.     int n = rnd.DrawNumber(1, 4);
  28.     while (n--) {cout<<"AB"[rnd.DrawNumber(0, 1)];}
  29.     cout << endl;
  30.     cout.close();
  31. }
  32. int main() {
  33.     system("g++ -lm -O3 -std=c++17 -DLOCAL -pipe -o /wa.exe ./main.cpp");
  34.     system("g++ -lm -O3 -std=c++17 -pipe -o /ac.exe ./ac.cpp");
  35.     // system("javac Main.java");
  36.     int tc = 1;
  37.     while (1) {
  38.         cerr << "Case " << tc++ << " ";
  39.         generate();
  40.         clock_t bef=clock();
  41.         system("ac.exe <test.in >ac.txt");
  42.         clock_t bet=clock();
  43.         cerr<<(bet-bef-0.0)/CLOCKS_PER_SEC<<" ";
  44.         if (system("wa.exe <test.in >wa.txt"))break;
  45.         clock_t aft=clock();
  46.         cerr<<(aft-bet-0.0)/CLOCKS_PER_SEC<<endl;
  47.  
  48.         //if (system("java Main <test.in >wa.txt"))break;
  49.  
  50.         //  cerr << tc++ << endl;
  51.         ifstream acs("ac.txt");
  52.         ifstream was("wa.txt");
  53.  
  54.         string ac, wa;
  55.         getline(was, wa, (char) EOF);
  56.  
  57.         getline(acs, ac, (char) EOF);
  58.         was.close();
  59.  
  60.         acs.close();
  61.  
  62.         //		cout << ac << endl;
  63.         //		cout << wa << endl;
  64.         //if (ac !="YES\n")
  65.         if (ac != wa)
  66.             break;
  67.     }
  68. }
  69.  
Success #stdin #stdout #stderr 0.01s 5320KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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g++: error: ./main.cpp: No such file or directory
g++: error: ./ac.cpp: No such file or directory
Case 1 sh: 1: cannot open test.in: No such file
sh: 1: ac.exe: not found
5.6e-05 sh: 1: cannot open test.in: No such file
sh: 1: wa.exe: not found
https://ideone.com/O0zEOs
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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