Submission #741482

#	Time	Username	Problem	Language	Result	Execution time	Memory
741482		rahidilbayramli	다각형 (GA5_polygon)	C++17	40 / 100	1 ms	304 KiB

polygon

#include<bits/stdc++.h>
#define ll long long
#define ld long double
#define pb push_back
#define vl vector<ll>
#define sl set<ll>
#define pii pair<int, int>
#define pll pair<ll, ll>
#define all(v) v.begin(), v.end()
using namespace std;
int main()
{
    ll a, b;
    cin >> a >> b;
    a = (a + 1) / 2, b /= 2;
    if(a == 1)    a++;
    if(a > b)    cout << "0\n";
    cout << (b - a + 1) * (a + b) << "\n";
}

• Subtask 1: 0 / 60
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30