Nine degrees OJ topic 1048: Judging the type of triangle

Title Description:

Three edges of a given triangle, a,b,c. Determines the type of the triangle.

Input:

The test data has more than one set of three edges per set of input triangles.

Output:

For each set of inputs, output right triangle, acute triangle, or obtuse triangle.

Sample input:

3: {

Sample output:

Right triangle

1#include <cstdio>2#include <cstdlib>3#include <string>4#include <cstring>5#include <algorithm>6#include <queue>7 #defineMAX 10028 #defineINF 1000029 Ten using namespacestd; One  A intMainintargcChar Const*argv[]) - { -      the     //freopen ("Input.txt", "R", stdin); -     DoubleA, B, C; -      while(SCANF ("%lf%lf%lf", &a, &b, &c)! =EOF) {     -         if(C <a) { +             DoubleTMP =C; -c =A; +A =tmp; A         } at         if(C <b) { -             DoubleTMP =C; -c =b; -b =tmp; -         } -         //printf ("%lf%lf%lf\n", a,b,c); in         DoubleCosc = c * C + A * a + b *b; -Cosc = cosc/(2Ab); to         if(Cosc = =0) { +Puts"Right Triangle"); -         } the         Else if(Cosc >0) { *Puts"Acute triangle"); $         }Panax Notoginseng         Else { -Puts"Obtuse triangle"); the         } +     } A     return 0; the     //C2 = a2 + B2-2abcosc +}

Nine degrees OJ topic 1048: Judging the type of triangle