Submission #1189451

#	Time	Username	Problem	Language	Result	Execution time	Memory
1189451		theyeia	Nile (IOI24_nile)	C++20	23 / 100	2095 ms	12576 KiB

nile

#include "nile.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pl = pair<ll,ll>;
using vl = vector<ll>;
using vi = vector<int>;
const int MOD = 1e9 + 7;
#define F first
#define S second
#define sor(x) sort(begin(x), end(x))
#define FOR(i, a, b) for (int i = a; i < b; i++)

ll n, q;
ll preans = 0;

vector<tuple<ll,ll,ll>> Artifacts;
vector<tuple<ll,ll,ll>> Raw;
vector<pl> Queries;
vl Ans;

vl calculate_costs(vi W, vi A, vi B, vi E) {
    ll n = W.size(), q = E.size();

    Ans.resize(q, 0);

    FOR(i, 0, n) {
        ll w = W[i], a = A[i], b = B[i];

        preans += b;
        Artifacts.push_back({w, a - b, i});
        Raw.push_back({w, a, b});
    }
    sor(Artifacts);

    FOR(i, 0, q) {
        ll e = E[i];
        Queries.push_back({e, i});
    }
    sor(Queries);

    // for (auto e : Artifacts) cout << get<0>(e) << " " << get<1>(e) << " " << get<2>(e) << endl;

    FOR(i, 0, q) {
        ll d = Queries[i].F;
        ll lost = 0, sz = 0, mn = 1e18;

        // cout << "d = " << d << endl;
        
        FOR(j, 0, n) {
            mn = min(mn, get<1>(Artifacts[j]));
            sz++;

            if (j == n - 1 || get<0>(Artifacts[j + 1]) - get<0>(Artifacts[j]) > d) {
                if (sz % 2) lost += mn;

                mn = 1e18;
                sz = 0;
            }
        }

        Ans[Queries[i].S] = preans + lost;
    }

    return Ans;
}

• Subtask 0: 0 / 0
• Subtask 1: 6 / 6
• Subtask 2: 0 / 13
• Subtask 3: 17 / 17
• Subtask 4: 0 / 11
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15
• Subtask 7: 0 / 18