Submission #1169209

#	Time	Username	Problem	Language	Result	Execution time	Memory
1169209		niepamietamhasla	Jelly Flavours (IOI20_jelly)	C++20	0 / 100	53 ms	94536 KiB

jelly

#include <bits/stdc++.h>
//#include "jelly.h"
using namespace std;
typedef long long ll;

const int MAXN = 2e3 + 5;
const int MAXX = 1e4 + 5;


int dppref[MAXN][MAXX];
int dpsuff[MAXN][MAXX];

int find_maximum_unique(int x, int y, vector<int> a, vector<int> b){
    vector<pair<int,int>> c;
    int n = a.size();
    for(int i = 0; i < n; ++i){
        c.push_back({a[i], b[i]});
    }
    sort(c.begin(),c.end());
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= x; ++j){
            dppref[i][j] = dppref[i-1][j] + c[i-1].second;
            if(j >= c[i-1].first) dppref[i][j] = min(dppref[i][j], dppref[i-1][j - c[i-1].first]);
        }
    }
    for(int i = n; i > 0; --i){
        for(int j = 1; j <= y; ++j){
            dpsuff[i][j] = dpsuff[i+1][j];
            if(j >= c[i-1].second){
                dpsuff[i][j] = max(dpsuff[i][j], dpsuff[i+1][j - c[i-1].second] + 1);
            }
        }
    }
    int w = 0;
    for(int i = 0; i <= n; ++i){
        if(dppref[i][x] > y) continue;
        w = max(w, i + dpsuff[i+1][y - dppref[i][x]]);
    }
    return w;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 24
• Subtask 3: 0 / 9
• Subtask 4: 0 / 10
• Subtask 5: 0 / 14
• Subtask 6: 0 / 32