제출 #143715

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
143715	2019-08-14 23:58:37	joseacaz	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	650 ms	148444 KiB

shoes

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#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
const int MAXN = 100005;
int N;
vi BIT ( 2 * MAXN );
map<int, deque<int>> pos;
ll qry ( int x )
{
  x = N - x;
  ll res = 0;
  for ( ; x; x -= (x & -x) )
    res += BIT[x];
  return res;
}
void upd ( int x )
{
  x = N - x;
  for ( ; x < N; x += (x & -x) )
    BIT[x]++;
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 15 / 15
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