Submission #548661

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
548661	2022-04-14 07:37:00	quocnguyen1012	Food Court (JOI21_foodcourt)	C++14	100 / 100	414 ms	56964 KiB

foodcourt

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "bits/stdc++.h"
using namespace std;
template<class T>struct fenwick {
  vector<T> bit;
  fenwick(int n) {
    bit.assign(n + 5, 0);
  } 
  void add(int i, T delta) {
    for (; i < (int)bit.size(); i += i & -i)
      bit[i] += delta;
  }
  T query(int i) {
    T ans = 0;
    for (; i; i -= i & -i) {
      ans += bit[i];
    }
    return ans;
  }
  int kth(T val) {
    int pos = 0;
    for (int i = 17; i >= 0; --i) {
      if (pos + (1 << i) < (int)bit.size() and bit[pos + (1 << i)] < val) {
        pos += (1 << i);
        val -= bit[pos];
      }
    }
    return pos + 1;
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

foodcourt.cpp: In function 'int main()':
foodcourt.cpp:88:16: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   88 |     for (auto &[pos, val] : upd[i]) {
      |                ^
foodcourt.cpp:91:16: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   91 |     for (auto &[pos, val] : fwupd[i]) {
      |                ^
foodcourt.cpp:94:16: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   94 |     for (auto &[pos, val] : queries[i]) {
      |                ^

• Subtask 1: 2 / 2
• Subtask 2: 5 / 5
• Subtask 3: 7 / 7
• Subtask 4: 21 / 21
• Subtask 5: 15 / 15
• Subtask 6: 13 / 13
• Subtask 7: 26 / 26
• Subtask 8: 11 / 11