[code]

== code(c) |
#include <cstdio>
main() {
  printf("92\n");

dist = @(x, y, x1, y1) sqrt((x - x1).^2 + (y - y1).^2)
sumt = @(x, y) 2 * dist(x, y, 0, 0) + dist(x, y, 3, 0) + dist(x, y, 0, 4)
x=linspace(0, 3, 50)
y=linspace(0, 4, 50)
[xx,yy]=meshgrid(x,y)
contourf(xx,yy,sumt(xx,yy))

[/code]

==

!{margin: 10px; margin-left: 0; border: 1px solid gray;}<blog/suma-in-triunghi-rezolvare?graph.gif!