题目描述

include [HTML_REMOVED]

using namespace std;

int main(){
double a,b,c;
double rq;
cin >> a >> b >> c;

if(b>a){
   double num = a;
    a = b;
    b = num;
}
if(c>a){
   double num = a;
    a = c;
    c = num;
}
if(c>b) {
   double num = b;
    b  = c;
    c = num;
}


if(a>= b+c) {
    cout << "NAO FORMA TRIANGULO" << endl;

}
else {
    if (a*a == b*b + c*c) cout << "TRIANGULO RETANGULO" << endl;
    else if (a*a > b*b + c*c) {
        cout << "TRIANGULO OBTUSANGULO" << endl;
        if(a == b && b== c) cout << "TRIANGULO EQUILATERO" << endl;
        else if(a == b && a!=c || a == c && a!=b || b == c && a!=b) cout << "TRIANGULO ISOSCELES" << endl;
    }
    else if(a*a < b*b + c*c) {
        cout << "TRIANGULO ACUTANGULO" << endl;
        if(a == b && b== c) cout << "TRIANGULO EQUILATERO" << endl;
        else if(a == b && a!=c || a == c && a!=b || b == c && a!=b) cout << "TRIANGULO ISOSCELES" << endl;
    }
}
return 0;

}

样例

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算法1

(暴力枚举) $O(n^2)$

blablabla

时间复杂度

参考文献

C++ 代码

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算法2

(暴力枚举) $O(n^2)$

blablabla

时间复杂度

参考文献

C++ 代码

blablabla