oj.uz

Submission #797460

# Submission time Handle Problem Language Result Execution time Memory
797460 2023-07-29T12:10:53 Z kingfran1907 Segments (IZhO18_segments) C++14
7 / 100
 5000 ms 11388 KB 
#include <bits/stdc++.h>
#define X first
#define Y second

using namespace std;

const int maxn = 2e5+10;

int n, t;
set< int > s, cur;
int l[maxn], r[maxn];

int inter(pair<int, int> a, pair<int, int> b) {
	if (a.X > b.X) swap(a, b);
	return min(a.Y, b.Y) - b.X + 1;
}

int main() {
	scanf("%d%d", &n, &t);
	for (int i = 1; i <= n + 2; i++) s.insert(i);
	
	int lastans = 0;
	int ptr = 0;
	while (n--) {
		int type;
		scanf("%d", &type);
		if (type == 1) {
			int ind = ++ptr;
			
			int l, r;
			scanf("%d%d", &l, &r);
			l = l ^ (t * lastans);
			r = r ^ (t * lastans);
			if (l > r) swap(l, r);
			
			::l[ind] = l, ::r[ind] = r;
			cur.insert(ind);
		} else if (type == 2) {
			int x;
			scanf("%d", &x);
			cur.erase(x);
			s.insert(x);
		} else {
			int l, r, k;
			scanf("%d%d%d", &l, &r, &k);
			l = l ^ (t * lastans);
			r = r ^ (t * lastans);
			if (l > r) swap(l, r);
			
			lastans = 0;
			for (int tren : cur) {
				lastans += (inter({l, r}, {::l[tren], ::r[tren]}) >= k);
			}
			printf("%d\n", lastans);
		}
	}
	return 0;
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |  scanf("%d%d", &n, &t);
      |  ~~~~~^~~~~~~~~~~~~~~~
segments.cpp:26:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |   scanf("%d", &type);
      |   ~~~~~^~~~~~~~~~~~~
segments.cpp:31:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |    scanf("%d%d", &l, &r);
      |    ~~~~~^~~~~~~~~~~~~~~~
segments.cpp:40:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |    scanf("%d", &x);
      |    ~~~~~^~~~~~~~~~
segments.cpp:45:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |    scanf("%d%d%d", &l, &r, &k);
      |    ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 3 ms 468 KB Output is correct
4 Correct 3 ms 584 KB Output is correct
5 Correct 30 ms 876 KB Output is correct
6 Correct 37 ms 852 KB Output is correct
7 Correct 10 ms 596 KB Output is correct
8 Correct 20 ms 828 KB Output is correct
9 Correct 18 ms 724 KB Output is correct
10 Correct 8 ms 852 KB Output is correct
11 Correct 51 ms 820 KB Output is correct
12 Correct 47 ms 828 KB Output is correct
13 Correct 10 ms 828 KB Output is correct
14 Correct 21 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 576 KB Output is correct
17 Correct 17 ms 708 KB Output is correct
18 Correct 14 ms 852 KB Output is correct
19 Correct 16 ms 736 KB Output is correct
20 Correct 15 ms 724 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5078 ms 7876 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 5316 KB Output is correct
2 Correct 58 ms 7100 KB Output is correct
3 Correct 135 ms 7196 KB Output is correct
4 Correct 63 ms 7200 KB Output is correct
5 Execution timed out 5076 ms 10960 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 5324 KB Output is correct
2 Correct 61 ms 7372 KB Output is correct
3 Correct 62 ms 7384 KB Output is correct
4 Correct 69 ms 7372 KB Output is correct
5 Execution timed out 5079 ms 11388 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 3 ms 468 KB Output is correct
4 Correct 3 ms 584 KB Output is correct
5 Correct 30 ms 876 KB Output is correct
6 Correct 37 ms 852 KB Output is correct
7 Correct 10 ms 596 KB Output is correct
8 Correct 20 ms 828 KB Output is correct
9 Correct 18 ms 724 KB Output is correct
10 Correct 8 ms 852 KB Output is correct
11 Correct 51 ms 820 KB Output is correct
12 Correct 47 ms 828 KB Output is correct
13 Correct 10 ms 828 KB Output is correct
14 Correct 21 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 576 KB Output is correct
17 Correct 17 ms 708 KB Output is correct
18 Correct 14 ms 852 KB Output is correct
19 Correct 16 ms 736 KB Output is correct
20 Correct 15 ms 724 KB Output is correct
21 Execution timed out 5078 ms 7876 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 3 ms 468 KB Output is correct
4 Correct 3 ms 584 KB Output is correct
5 Correct 30 ms 876 KB Output is correct
6 Correct 37 ms 852 KB Output is correct
7 Correct 10 ms 596 KB Output is correct
8 Correct 20 ms 828 KB Output is correct
9 Correct 18 ms 724 KB Output is correct
10 Correct 8 ms 852 KB Output is correct
11 Correct 51 ms 820 KB Output is correct
12 Correct 47 ms 828 KB Output is correct
13 Correct 10 ms 828 KB Output is correct
14 Correct 21 ms 724 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 576 KB Output is correct
17 Correct 17 ms 708 KB Output is correct
18 Correct 14 ms 852 KB Output is correct
19 Correct 16 ms 736 KB Output is correct
20 Correct 15 ms 724 KB Output is correct
21 Execution timed out 5078 ms 7876 KB Time limit exceeded
22 Halted 0 ms 0 KB -