제출 #137118

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
137118	2019-07-27 05:37:41	meatrow	Bootfall (IZhO17_bootfall)	C++17	100 / 100	855 ms	2712 KiB

bootfall

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#pragma GCC optimize("O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native")
//#pragma GCC optimize ("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
const int N = 125001;
int main() {
    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    bitset<N> dp;
    int n;
    cin >> n;
    vector<int> a(n);
    int total = 0;
    dp.set(0);
    for (int& i : a) {
        cin >> i;
        total += i;
        dp |= dp << i;
    }
    if (total % 2 || !dp[total / 2]) {
 
 
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