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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count());
  6.  
  7. long long rand(long long l, long long r) {
  8.     uniform_int_distribution<long long> rnd(l, r);
  9.     return rnd(gen);
  10. //     return rand() % (r - l + 1) + l;
  11. }
  12.  
  13. void gen_test() {
  14.     ofstream cout("task.inp");
  15.     int n = rand(5, 10), m = rand(5, 10);
  16.     cout << n << endl;
  17.     for (int i = 1; i <= n; ++i) {
  18.         cout << char('a' + rand(0, 3));
  19.     }
  20.     cout << endl;
  21. }
  22.  
  23. signed main() {
  24.     srand(time(nullptr));
  25.     int test = 100;
  26.     gen_test(); return 0;
  27.     for (int i = 1; i <= test; ++i) {
  28.         gen_test();
  29.         system("code.exe");
  30.         system("trau.exe");
  31.         if(system("fc task.out task.ans") != 0) {
  32.             cout << "test thu " << i << " sai roi nhe, he he he he\n";
  33.             return 0;
  34.         }
  35.         cout << "test thu " << i << " dung roi nhe\n";
  36.  
  37.     }
  38. }
  39.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/2T4uHa
language:
C++14 (gcc 8.3)
created:
23 days ago
visibility:
public

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