Submission #862883

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
862883	2023-10-19 08:40:36	quandlm	Curtains (NOI23_curtains)	C++14	100 / 100	765 ms	102224 KiB

curtains

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>
#define file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }
#define ll long long
#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define REP(i, a, b) for (int i = (a); i >= (b); --i)
#define pi pair<int,int>
#define ple tuple<int,int,int>
#define fi first
#define se second
#define ii make_pair
#define isz(a) ((int)a.size())
#define ALL(a) a.begin(), a.end()
using namespace std;
const int N = 1e6 + 10;
void maximize (int &a, int b) {
     a = max(a, b);
}
int n, m, q, res[N];
pi a[N];
vector<pi> ques[N];
vector<int> events[N];
struct STree {
       int node[N * 4], lazy[N * 4];
       void down (int id, int l, int r) {
            if (lazy[id] == 0) return;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

curtains.cpp: In member function 'void STree::update(int, int, int, int, int, int)':
curtains.cpp:46:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   46 |             int mid = l + r >> 1;
      |                       ~~^~~
curtains.cpp: In member function 'int STree::get(int, int, int, int, int)':
curtains.cpp:55:24: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 |            int mid = l + r >> 1;
      |                      ~~^~~
curtains.cpp: In function 'int main()':
curtains.cpp:2:60: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    2 | #define file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }
      |                                                    ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
curtains.cpp:61:7: note: in expansion of macro 'file'
   61 |       file("pupil");
      |       ^~~~
curtains.cpp:2:94: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    2 | #define file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }
      |                                                                                      ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
curtains.cpp:61:7: note: in expansion of macro 'file'
   61 |       file("pupil");
      |       ^~~~

• Subtask 1: 3 / 3
• Subtask 2: 6 / 6
• Subtask 3: 15 / 15
• Subtask 4: 20 / 20
• Subtask 5: 36 / 36
• Subtask 6: 20 / 20