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  1. #include <iostream>
  2. #include <math.h>
  3. using namespace std;
  4.  
  5.  int main() {
  6.    int n;
  7.    double a, sum = 0;
  8.    double period = 2*M_PI;
  9.    cin >> n;
  10.  
  11.    for(int i=0; i<n; i++)
  12.    {
  13.       cin >> a;
  14.       sum += a;
  15.  
  16.       if ( fabs ( sum ) >= period )
  17.       {
  18.          sum = fmod( sum, period );
  19.       }
  20.    }
  21.    cout << sin ( fabs ( sum )) ;
  22.    return 0;
  23. }
Success #stdin #stdout 0s 3476KB
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stdin
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3
1000 -100 -100
stdout
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-0.89397
https://ideone.com/ICxfXU
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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