Submission #1231270

#	Time	Username	Problem	Language	Result	Execution time	Memory
1231270		bangan	Nile (IOI24_nile)	C++20	17 / 100	2096 ms	4212 KiB

nile

#include "nile.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back
#define ALL(a) a.begin(), a.end()

std::vector<long long> calculate_costs(std::vector<int> W, std::vector<int> A, std::vector<int> B, std::vector<int> E) {
    int N = W.size();
    int Q = E.size();

    vector<int> ord(N);
    iota(ALL(ord), 0);
    sort(ALL(ord), [&](int i, int j) {
        return W[i]<W[j];
    });

    vector<ll> ret;
    for (int D : E) {
        ll res = 0;
        for (int i=0; i<N;) {
            int j = i+1;
            while (j<N && W[ord[j]] - W[ord[j-1]] <= D) j++;
        
            int sz = j-i;
            res += sz + sz%2;
            i=j;
        }
        ret.pb(res);
    }
    return ret;
}

• Subtask 0: 0 / 0
• Subtask 1: 0 / 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