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Рівносторонній трикутник

published at 1/13/24, 5:10:36 pm

include <bits/stdc++.h>

using namespace std;

define ll long long

int main() { ll a,b,c; cin>>a>>b>>c; if(a==b and b==c) { ll n=a*a; cout<<n<<endl; } else { cout<<"No"<<endl; } return 0; }// Very easy