fork(2) download 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. const string week[7] = {"monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"};
  5. int main() {
  6. 	srand(4202265);
  7. 	int n =rand() % 20 + 1, m =rand() % 20 + 1;
  8.  
  9. 	cout << n << " " << m << endl;
  10. 	for (int i = 1; i <= n; i++) {
  11. 		vector<int> vec;
  12. 		for (int j = 1; j <= m; j++) vec.push_back(j);
  13.  
  14. 		for (int j = 1; j <= m; j++) {
  15. 			if (j != 1) printf(" ");
  16. int have = rand() % (int)vec.size();
  17. 			printf("%d", vec[have]);
  18. 	vec.erase(vec.begin() + have);
  19.  
  20. 		}
  21. 		puts("");
  22. 	}
  23. 	return 0;
  24. }
  25.  
Success #stdin #stdout 0s 3472KB
comments (?)
stdin 
Standard input is empty
stdout 
6 3
1 2 3
2 3 1
1 2 3
3 1 2
2 3 1
2 3 1
https://ideone.com/siTEFD
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!