Submission #294402

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
294402	2020-09-08 22:20:50	Plurm	가로등 (APIO19_street_lamps)	C++11	20 / 100	5041 ms	229780 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;
int n;
char state[300005];
set<int> setBlock[300005];
vector<int> vectorBlock[300005];
vector<int> FT[300005];
/**
 * Build the (compressed) fenwick tree
 */
void build(int l, int r){
  for(int i = l; i > 0; i -= i & -i){
    setBlock[i].insert(r);
  }
}
void finalizeBuild(int n){
  for(int i = 1; i <= n; i++){
    setBlock[i].insert(1);
    setBlock[i].insert(n);
    for(int x : setBlock[i]){
      vectorBlock[i].push_back(x);
      FT[i].push_back(0);
    }
    FT[i].push_back(0);
  }
}
void add(int l, int r, int x){
  for(int i = l; i <= n; i += i & -i){
    int st = lower_bound(vectorBlock[i].begin(), vectorBlock[i].end(), r) - vectorBlock[i].begin() + 1;
    for(int j = st; j <= vectorBlock[i].size(); j += j & -j){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

street_lamps.cpp: In function 'void add(int, int, int)':
street_lamps.cpp:30:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |   for(int j = st; j <= vectorBlock[i].size(); j += j & -j){
      |                   ~~^~~~~~~~~~~~~~~~~~~~~~~~
street_lamps.cpp: In function 'int main()':
street_lamps.cpp:133:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  133 |  scanf("%d%d",&n,&q);
      |  ~~~~~^~~~~~~~~~~~~~
street_lamps.cpp:135:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  135 |  scanf("%s", state+1);
      |  ~~~~~^~~~~~~~~~~~~~~
street_lamps.cpp:139:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  139 |   scanf("%s%d",str,&l);
      |   ~~~~~^~~~~~~~~~~~~~~
street_lamps.cpp:140:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  140 |   if(str[0] == 'q') scanf("%d",&r);
      |                     ~~~~~^~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20