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  1. #include <iostream>
  2. #include <vector>
  3. #include <cmath>
  4. using namespace std;
  5.  
  6. vector<vector<bool> > Tb(50,vector<bool>(50));
  7.  
  8. int main()
  9.   {
  10.    const double Z=2*M_PI;
  11.    const double A=25/Z;
  12.    const unsigned steps=1000;
  13.  
  14.    for(unsigned i=1;i<=steps;++i)
  15.      {
  16.       double f=Z*i/steps,r=A*f;
  17.       Tb[25+r*sin(f)][25-r*cos(f)]=true;
  18.      }
  19.    for(unsigned y=0;y<50;++y,cout<<endl) for(unsigned x=0;x<50;++x) cout<<" @"[Tb[y][x]]<<' ';
  20.    return 0;
  21.   }
Success #stdin #stdout 0s 3432KB
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https://ideone.com/1oQHmI
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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