제출 #731771

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
731771	2023-04-28 00:47:01	jk410	Two Currencies (JOI23_currencies)	C++17	100 / 100	3037 ms	36932 KiB

currencies

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#include <bits/stdc++.h>
#define all(v) v.begin(),v.end()
#define pb push_back
#define ll long long
using namespace std;
struct segmentTree {
  vector<ll> tree;
  void init(int n) {
    tree.clear();
    tree.resize(1 << (int)ceil(log2(n)) + 1);
  }
  void update(int lx, int rx, ll v, int l, int r, int n) {
    if (r < lx || rx < l)
      return;
    if (lx <= l && r <= rx) {
      tree[n] += v;
      return;
    }
    int m = (l + r) >> 1;
    update(lx, rx, v, l, m, n << 1);
    update(lx, rx, v, m + 1, r, n << 1 | 1);
  }
  ll query(int x, int l, int r, int n) {
    if (r < x || x < l)
      return 0;
    if (l == r)
      return tree[n];
    int m = (l + r) >> 1;
    return query(x, l, m, n << 1) + query(x, m + 1, r, n << 1 | 1) + tree[n];
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

currencies.cpp: In member function 'void segmentTree::init(int)':
currencies.cpp:10:39: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
   10 |   tree.resize(1 << (int)ceil(log2(n)) + 1);
      |                    ~~~~~~~~~~~~~~~~~~~^~~

• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32