题解 | #三角形判断#
三角形判断
https://www.nowcoder.com/practice/689ec1e742394e09b1059556fc167b65
#include<stdio.h> int main() { int a = 0; int b = 0; int c = 0; while (scanf("%d%d%d", &a, &b, &c) != EOF) { if ((a + b > c) && (a + c > b) && (b + c > a)) { if ((a == b) && (a == c) && (b == c)) { printf("Equilateral triangle!\n"); } else if ((a == b && b!= c) || (a == c&& c!= b) || (b == c && c!= a)) { printf("Isosceles triangle!\n") ; } else { printf("Ordinary triangle!\n"); } } else { printf("Not a triangle!\n"); } } return 0; }