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  1. #include <vector>
  2. #include <stdio.h>
  3. #include <cstdlib>
  4. #include <iostream>
  5.  
  6. typedef std::vector<double> NA;
  7. typedef std::vector<NA> NB;
  8.  
  9. NA NI;
  10. NB NO;
  11.  
  12. long i=0,j=0;
  13. int N = 10;
  14. double R;
  15.  
  16. int main(){
  17.     for(i=0;i!=N;i++){
  18.         NO.push_back(NI);
  19.         for(j=i+1;j<N;j++){
  20.             R = rand();
  21.             NO.at(i).push_back(j);
  22.             NO.at(i).at(j - i - 1) = R;
  23.         }
  24.     }
  25. }
Success #stdin #stdout 0s 16064KB
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https://ideone.com/8kBb31
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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