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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <math.h>
  4.  
  5. float getDistance(int x1, int y1, int x2, int y2) {
  6. float res;
  7. res = sqrt((y2 - y1) * (y2 - y1) + (x2 - x1) * (x2 - x1));
  8. return res;
  9. };
  10. int main() {
  11. int x1, y1, x2, y2;
  12. scanf("%d%d%d%d", &x1, &y1, &x2, &y2);
  13. printf("%0.2f", getDistance(x1, y1, x2, y2));
  14. return 0;
  15. }
Success #stdin #stdout 0s 5492KB
stdin
0 3 4 0
stdout
5.00