Submission #1183375

#	Time	Username	Problem	Language	Result	Execution time	Memory
1183375		nagorn_ph	Kas (COCI17_kas)	C++20	90 / 100	2094 ms	19036 KiB

kas

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast,unroll-loops,fast-math,unsafe-math-optimizations")
#pragma GCC target("avx2,popcnt,tune=native")
#define int long long
#define double long double
#define pii pair <int,int>
#define tiii tuple <int, int, int>
#define f first
#define s second
#define all(x) x.begin(), x.end()
#define ub(a, b) upper_bound(a.begin(), a.end(), b) - a.begin()
#define lb(a, b) lower_bound(a.begin(), a.end(), b) - a.begin()
#define ve vector
#define graph(a, n) vector <int> a[n];
#define wgraph(a, n) vector <pii> a[n];
#define emb emplace_back
#define em emplace
#define ins insert
#define er erase
#define iShowSpeed cin.tie(NULL)->sync_with_stdio(false)

using namespace std;

template <typename T>
using greater_priority_queue = priority_queue<T, vector<T>, greater<T>>;

const int mod = 1e9 + 7;
const int inf = 1e18;

int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};

int32_t main(){
    iShowSpeed;
    int n; cin >> n;
    vector <int> a(n);
    for (auto &e : a) cin >> e;
    unordered_map <int, int> dp; // dp[i] = max value we can have if kile has i more money than pogi
    dp[0] = 0;
    int sum = accumulate(all(a), 0ll);
    for (auto e : a) {
        unordered_map <int, int> temp = dp;
        for (int i = -sum; i <= sum; i++) {
            if (dp.find(i) != dp.end()) {
                temp[i + e] = max(temp[i + e], dp[i] + e);
                temp[i - e] = max(temp[i - e], dp[i] + e);
            }
        }
        dp = temp;
    }
    cout << sum - dp[0] / 2;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 0 / 10