제출 #210319

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
210319	2020-03-17 03:32:13	2qbingxuan	Bubble Sort 2 (JOI18_bubblesort2)	C++14	0 / 100	2013 ms	1272 KiB

bubblesort2

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//#include "bubblesort2.h"
#include <bits/stdc++.h>
#define pb emplace_back
#define get_pos(u,x) (lower_bound(begin(u),end(u),x) - begin(u))
using namespace std;
vector<int> countScans(vector<int> A, vector<int> X, vector<int> V) {
    int n = A.size(), q = X.size();
    //vector<tuple<int,int,int>> evt;
    /*for(int i = 0; i < n; i++)
        evt.pb(i, i, A[i]);
    for(int i = 0; i < q; i++)
        evt.pb(i+n, X[i]-1, V[i]);
    CDQ(evt);*/
    vector<int> u;
    for(int i = 0; i < n; i++) u.pb(A[i]);
    for(int i = 0; i < q; i++) u.pb(V[i]);
    sort(u.begin(), u.end());
    u.erase(unique(u.begin(), u.end()), u.end());
    for(int i = 0; i < n; i++) A[i] = get_pos(u, A[i]) + 1;
    for(int i = 0; i < q; i++) V[i] = get_pos(u, V[i]) + 1;
    vector<int> cnt(u.size() + 100000);
    auto modify = [&](int p, int d) {
        for(; p < int(cnt.size()); p += p&-p) cnt[p] += d;
    };
    auto query = [&](int p) {
        int res = 0;
        for(; p; p -= p&-p) res += cnt[p];
        return res;
 
 
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• Subtask 1: 0 / 17
• Subtask 2: 0 / 21
• Subtask 3: 0 / 22
• Subtask 4: 0 / 40