Submission #1064480

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1064480	2024-08-18 13:13:07	MisterReaper	Street Lamps (APIO19_street_lamps)	C++17	100 / 100	861 ms	67292 KiB

street_lamps

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
// File C.cpp created on 18.08.2024 at 15:17:15
#include <bits/stdc++.h>
using i64 = long long;
#ifdef DEBUG 
    #include "../debug.h"
#else
    #define debug(...) void(23)
#endif
constexpr int maxN = 3E5 + 5;
int lsb(int x) {
    return x & -x;
}
struct fenwick {
    int n;
    std::vector<i64> tree;
    std::vector<std::pair<int, int>> his;
    fenwick(int _n) : n(_n), tree(n + 1) {}
    void modify(int p, int x, bool flag = true) {
        if(flag) his.emplace_back(p, x);
        for(p += 1; p <= n; p += lsb(p)) {
            tree[p] += x;
        }
    }
    i64 query(int p) {
        i64 res = 0;
        for(p += 1; p; p -= lsb(p)) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20