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  1. #include <iostream>
  2. #include <math.h>
  3. #include <iomanip>
  4. using namespace std;
  5. int main() {
  6.     long long n, z, dir;
  7.     long long  x = 0, y = 0, ne = 0, se = 0;
  8.     double dx, dy;
  9.  
  10.     cin >> n;
  11.     while(n--) {
  12.         cin >> dir >> z;
  13.         switch (dir) {
  14.         case 1: y+=z; break;
  15.         case 5: y-=z; break;
  16.         case 3: x+=z; break;
  17.         case 7: x-=z; break;
  18.  
  19.         case 2: ne+=z; break;
  20.         case 6: ne-=z; break;
  21.         case 4: se+=z; break;
  22.         case 8: se-=z; break;
  23.  
  24.         }
  25.     }
  26.     dx = x + (ne + se)*M_SQRT1_2;
  27.     dy = y + (ne - se)*M_SQRT1_2;
  28.     cout << fixed << setprecision(3) << dx << " " << dy;
  29.     return 0;
  30. }
Success #stdin #stdout 0s 15232KB
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Standard input is empty
stdout
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0.000 0.000
https://ideone.com/qj4dvZ
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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