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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main(void)
  6. {
  7.     int N = 0;
  8.     int cur = 0;
  9.     double ratio[4] = {0.0, };
  10.     double tab[2][100] = {0.0, };
  11.  
  12.     cin >> N;
  13.     cin >> cur;
  14.  
  15.     for(int i=0; i<N; i++)
  16.         cin >> ratio[i];
  17.  
  18.     if(cur == 0)
  19.     {
  20.         tab[0][0] = ratio[0];
  21.         tab[1][0] = ratio[1];
  22.     }
  23.     else
  24.     {
  25.         tab[0][0] = ratio[2];
  26.         tab[1][0] = ratio[3];
  27.     }
  28.  
  29.     for(int i=1; i<N; i++)
  30.     {
  31.         tab[0][i] = tab[0][i-1]*ratio[0] + tab[1][i-1]*ratio[2];
  32.         tab[1][i] = tab[0][i-1]*ratio[1] + tab[1][i-1]*ratio[3];
  33.     }
  34.  
  35.     cout << tab[0][N-1] * 1000 << endl;
  36.     cout << tab[1][N-1] * 1000;
  37.  
  38.     return 0;
  39. }
Success #stdin #stdout 0s 15232KB
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https://ideone.com/WUpaqn
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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