Submission #1169040

#TimeUsernameProblemLanguageResultExecution timeMemory
1169040anteknneJelly Flavours (IOI20_jelly)C++20
44 / 100
194 ms191016 KiB
#include "jelly.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 2000;
const int MAXN2 = 200;
const int MAXX2 = 500;
const int MAXX = 10 * 1000;
int dp[MAXN2 + 1][MAXX2 + 1][MAXX2 + 1];
int dp2[MAXN + 1][MAXX + 1][2];

int find_maximum_unique(int x, int y, vector<int> a, vector<int> b) {
	int n = int(a.size());

	bool rowne = false;
    for (int i = 1; i < n; i ++) {
        if (b[i] != b[i - 1]) {
            rowne = false;
        }
    }

    if (rowne) {
        sort(a.begin(), a.end());

        int ind = -1;
        while (ind + 1 < n && a[ind + 1] <= x) {
            x -= a[ind + 1];
            ind ++;
        }

        return min(n, ind + 1 + y/b[0]);

    }

	if (y == 0) {
        int wyn = 0;
        for (int i = 1; i <= n; i ++) {
            for (int j = 0; j <= x; j ++) {
                for (int k = 0; k <= y; k ++) {
                    dp2[i][j][k] = dp2[i - 1][j][k];
                    if (j >= a[i - 1]) {
                        dp2[i][j][k] = max(dp2[i - 1][j - a[i - 1]][k] + 1, dp2[i][j][k]);
                    }
                    if (k >= b[i - 1]) {
                        dp2[i][j][k] = max(dp2[i - 1][j][k - b[i - 1]] + 1, dp2[i][j][k]);
                    }
                    wyn = max(wyn, dp2[i][j][k]);
                }
            }
        }

        return wyn;
    }

    if (n <= MAXN2 && x <= MAXX2 && y <= MAXX2) {
        int wyn = 0;
        for (int i = 1; i <= n; i ++) {
            for (int j = 0; j <= x; j ++) {
                for (int k = 0; k <= y; k ++) {
                    dp[i][j][k] = dp[i - 1][j][k];
                    if (j >= a[i - 1]) {
                        dp[i][j][k] = max(dp[i - 1][j - a[i - 1]][k] + 1, dp[i][j][k]);
                    }
                    if (k >= b[i - 1]) {
                        dp[i][j][k] = max(dp[i - 1][j][k - b[i - 1]] + 1, dp[i][j][k]);
                    }
                    wyn = max(wyn, dp[i][j][k]);
                }
            }
        }

        return wyn;
    }


	return n;
}

/*int main () {
    cout << find_maximum_unique(7, 10, {10, 5, 2, 1, 4}, {2, 2, 2, 2, 2});
}*/

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