제출 #216900

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
216900	2020-03-28 10:45:57	quocnguyen1012	Mountains (NOI20_mountains)	C++14	100 / 100	189 ms	14216 KiB

Mountains

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#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define eb emplace_back
using namespace std;
typedef long long ll;
typedef pair<int, int> ii;
const int maxn = 3e5 + 5;
int BIT[maxn];
void upd(int i, int v)
{
  for(; i < maxn; i += i & -i)
    BIT[i] += v;
}
int sum(int i)
{
  int res = 0;
  for(; i; i -= i & -i)
    res += BIT[i];
  return res;
}
 
 
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• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 9 / 9
• Subtask 4: 36 / 36
• Subtask 5: 28 / 28
• Subtask 6: 9 / 9
• Subtask 7: 12 / 12