UVa 10466 - How Far?

Accepted date: 2016-02-12
Run Time: 0.023
Ranking (as of 2016-02-12): 15 out of 470
Language: C++

/*
  UVa 10466 - How Far?

  To build using Visual Studio 2012:
    cl -EHsc -O2 UVa_10466_How_Far.cpp
*/

#include <cstdio>
#include <cmath>

int main()
{
  const double pi = 2.0 * acos(0.0);
  int n;
  double T;
  while (scanf("%d %lf", &n, &T) != EOF) {
    double angle, x = 0.0, y = 0.0, r, t;
    while (n--) {
      scanf("%lf %lf", &r, &t);
      angle = T * pi * 2.0 / t;
      x += r * cos(angle), y += r * sin(angle);
      printf("%.4lf%c", sqrt(x * x + y * y), ((n) ?  ' ' : '\n'));
    }
  }
  return 0;
}