제출 #1273892

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1273892		flaming_top1	Kas (COCI17_kas)	C++20	100 / 100	147 ms	198092 KiB

kas

#include <bits/stdc++.h>

#define SPED                                                                                                           \
    ios_base::sync_with_stdio(false);                                                                                  \
    cin.tie(0);                                                                                                        \
    cout.tie(0);

#define endl "\n"
#define fi first
#define se second
#define lint long long
#define fami signed
#define lore main
#define freefire freopen

const int INF = 0x1f1f1f1f;
const int NEG = 0xE1E1E1E1;

using namespace std;

int n;
int a[505];
int dp[505][100005], sum;

fami lore()
{
    SPED;
    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
        sum += a[i];
    }
    memset(dp, 0xe1, sizeof dp);
    dp[0][0] = 0;
    for (int i = 0; i < n; i++)
    {
        for (int rem = 0; rem <= min(100000, sum); rem++)
        {
            if (dp[i][rem] == NEG)
                continue;

            // NO CHOOSE
            dp[i + 1][rem] = max(dp[i + 1][rem], dp[i][rem]);

            if (rem >= a[i + 1])
                dp[i + 1][rem - a[i + 1]] = max(dp[i + 1][rem - a[i + 1]], dp[i][rem] + a[i + 1]);
            else
            {
                int z1 = dp[i][rem];
                int z2 = dp[i][rem] + rem;
                if (z1 + a[i + 1] - z2 <= 100000)
                    dp[i + 1][z1 + a[i + 1] - z2] = max(dp[i + 1][z1 + a[i + 1] - z2], z2);
            }

            if (rem + a[i + 1] <= 100000)
                dp[i + 1][rem + a[i + 1]] = max(dp[i + 1][rem + a[i + 1]], dp[i][rem]);
        }
    }
    cout << dp[n][0] + (sum - dp[n][0] * 2);
}
// Let your soul wander where dreams are born.

• 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: 10 / 10