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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main(void) {
  5.     int x,y;
  6.     while (scanf("%d%d ", &x, &y)==2) {
  7.         double alpha = atan2(y,x)*180/M_PI;
  8.         if (alpha<0)
  9.             alpha += 360;
  10.         printf("(%4d,%4d) = %5.1f\n", x, y, alpha);
  11.     }
  12.     return 0;
  13. }
Success #stdin #stdout 0s 2252KB
comments (?)
stdin
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100 100
866 500
500 866
500 -866
0 100
-100 0
0 -100
stdout
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( 100, 100) =  45.0
( 866, 500) =  30.0
( 500, 866) =  60.0
( 500,-866) = 300.0
(   0, 100) =  90.0
(-100,   0) = 180.0
(   0,-100) = 270.0
https://ideone.com/3CIUEO
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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