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  1. #include <iostream>
  2. #include <cstdlib>
  3. #include <ctime>
  4.  
  5. int main()
  6. {
  7.     std::srand( std::time(nullptr) ) ;
  8.  
  9.     for( int i = 0 ; i < 5 ; ++i ) // 5 lines
  10.     {
  11.         for( int j = 0 ; j < 7 ; ++j ) // write 7 random digits per line
  12.             std::cout << std::rand() % 10 << ' ' ;
  13.  
  14.         std::cout << '\n' ; // and end with a new line
  15.     }
  16. }
  17.  
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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7 1 4 0 9 8 2 
7 2 2 2 5 2 8 
4 8 7 4 4 0 2 
1 2 8 9 3 7 9 
7 2 3 6 4 7 9
https://ideone.com/1mW9Wh
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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