Submission #391310

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
391310	2021-04-18 13:35:36	phathnv	Street Lamps (APIO19_street_lamps)	C++11	100 / 100	2790 ms	100168 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
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 3e5 + 7;
struct Query{
    int type, a, b;
};
struct Bit2D{
    vector<int> nodes[N], d[N];
    void fakeUpdate(int x, int y){
        for(; x < N; x += x & -x)
            nodes[x].push_back(y);
    }
    void fakeQuery(int x, int y){
        for(; x > 0; x -= x & -x)
            nodes[x].push_back(y);
    }
    void normalize(){
        for(int i = 1; i < N; i++){
            sort(nodes[i].begin(), nodes[i].end());
            nodes[i].resize(unique(nodes[i].begin(), nodes[i].end()) - nodes[i].begin());
            d[i].assign(nodes[i].size() + 1, 0);
        }
    }
    void update(int x, int y, int val){
        for(; x < N; x += x & -x){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

street_lamps.cpp: In function 'int main()':
street_lamps.cpp:93:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   93 |                 if (pos + 1 <= r - 1)
      |                 ^~
street_lamps.cpp:95:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   95 |                     bit.fakeUpdate(pos + 1, r);
      |                     ^~~

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