【題目敘述】https://zerojudge.tw/ShowProblem?problemid=c294
【解題想法】依照題敘提示的三角形邊長關係，判斷三線段能否構成三角形，亦可判斷是直角、銳角和鈍角三角形。。
【Tag】條件判斷
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
int a[3];
for (int i=0; i<3; i++) {
cin >> a[i];
}
sort(a, a+3);
for (int i=0; i<3; i++) {
cout << a[i] << " ";
}
cout << "\n";
if (a[0]+a[1] < a[2]) {
cout << "No\n";
} else if (a[0]*a[0] + a[1]*a[1] == a[2]*a[2]) {
cout << "Right\n";
} else if (a[0]*a[0] + a[1]*a[1] > a[2]*a[2]) {
cout << "Acute\n";
} else {
cout << "Obtuse\n";
}
return 0;
}
Python code
while True:
try:
lst = list(map(int, input().split()))
lst.sort()
a = lst[0]
b = lst[1]
c = lst[2]
print(a, b, c)
if a + b <= c:
print('No')
elif a ** 2 + b ** 2 < c ** 2:
print('Obtuse')
elif a ** 2 + b ** 2 == c ** 2:
print('Right')
elif a ** 2 + b ** 2 > c ** 2:
print('Acute')
except:
break