Submission #1306391

#	Time	Username	Problem	Language	Result	Execution time	Memory
1306391		oloc	Jelly Flavours (IOI20_jelly)	C++20	0 / 100	82 ms	71724 KiB

jelly

#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vect;
#define ordered_set tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>
#define ordered_multiset tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update>
#define pb push_back
#define f first
#define s second



int	find_maximum_unique(int	x, int y, vect a, vect b){
    int n = a.size();
    vector<pair<pii, int>> v;
    v.pb({{0, 0}, 0});
    for(int i = 0; i < n; i++){
        v.pb({{a[i], b[i]}, i + 1});
    }
    sort(v.begin(), v.end());

    vector<vect> dp(n + 1, vect(x + 1, 1e9));
    for(int i = 0; i <= x; i++){
        dp[0][i] = 0;
    }
    for(int i = 1; i <= n; i++){
        for(int j = 0; j <= x; j++){
            dp[i][j] = dp[i - 1][j] + v[i].f.s;
            if(j >= v[i].f.f) dp[i][j] = min(dp[i][j], dp[i - 1][j - v[i].f.f]);
        }
    }
    set<pii> s;
    for(int i = 1; i <= n; i++){
        s.insert({v[i].s, i});
    }
    int wyn = 0;
    for(int i = 0; i <= n; i++){
        int best = 1e9;
        for(int j = 0; j <= x; j++){
            best = min(dp[i][j], best);
        }
        if(best > y) continue;
        y -= best;
        int ile = 0;
        for(pii a : s){
            int val = a.f;
            if(val > y) break;
            y -= val;
            ile++;
            break;
        }
        if(i != n){
            s.erase({v[i + 1].f.s, i + 1});
        }

        wyn = max(wyn, ile + i);
    }

    return wyn;
}

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