oj.uz

Submission #933494

# Submission time Handle Problem Language Result Execution time Memory
933494 2024-02-25T18:39:24 Z Jasonwei08 Curtains (NOI23_curtains) C++14
100 / 100
 1122 ms 118708 KB 
#include <bits/stdc++.h>
#define int long long
#define re(a, b, c, d) for (auto a = b; a <= c; a += d)
#define de(a, b, c, d) for (auto a = b; a >= c; a -= d)
#define ms (a); memset (a, 0, sizeof a);
#define imax INT_MAX
#define imin INT_MIN
#define wh(a) while (a --)
#define PII pair <int, int>
#define F first
#define S second
#define pb push_back
#define eb emplace_back
#define lson (x << 1)
#define rson lson + 1
template <typename T> bool chkmin (T& a, T b) {
	return (b < a) ? a = b, 1 : 0;
}
template <typename T> bool chkmax (T& a, T b) {
	return (b > a) ? a = b, 1 : 0;
}
using namespace std;
const int N = 1e6 + 5;
int T, n, m, q, s[N], e[N], mn[N << 2], tag[N << 2], ans[N];
vector <int> g[N], que[N];
void down (int x) {
	chkmax (tag[lson], tag[x]);
	chkmax (tag[rson], tag[x]);
	chkmax (mn[lson], tag[x]);
	chkmax (mn[rson], tag[x]);
	tag[x] = 0;
}

void upd (int x, int l, int r, int L, int R, int val) {
	if (L <= l && r <= R) {
		chkmax (mn[x], val);
		chkmax (tag[x], val);
		return;
	}
	down (x);
	int mid = l + r >> 1;
	if (mid >= L) upd (lson, l, mid, L, R, val);
	if (mid + 1 <= R) upd (rson, mid + 1, r, L, R, val);
	mn[x] = min (mn[lson], mn[rson]);
}
int qry (int x, int l, int r, int L, int R) {
	if (r < L || l > R) return 1e9;
	if (L <= l && r <= R) return mn[x];
	int mid = l + r >> 1;
	down (x);
	return min (qry (lson, l, mid, L, R), qry (rson, mid + 1, r, L, R));
}

signed main () {
	cout << fixed << setprecision (0);
	ios :: sync_with_stdio (0), cin.tie (0), cout.tie (0);
	cin >> n >> m >> q;
	int x, y;
	re (i, 1, m, 1) cin >> x >> y, g[y].pb (x);
	re (i, 1, q, 1) cin >> s[i] >> e[i], que[e[i]].pb (i);
	re (i, 1, n, 1) {
		for (int l : g[i]) upd (1, 1, n, l, i, l);
		for (int k : que[i]) if (qry (1, 1, n, s[k], i) >= s[k]) ans[k] = 1;
	}
	re (i, 1, q, 1) {
		if (ans[i]) cout << "YES";
		else cout << "NO";
		cout << "\n";
	}
	return 0;
}

Compilation message

curtains.cpp: In function 'void upd(long long int, long long int, long long int, long long int, long long int, long long int)':
curtains.cpp:41:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   41 |  int mid = l + r >> 1;
      |            ~~^~~
curtains.cpp: In function 'long long int qry(long long int, long long int, long long int, long long int, long long int)':
curtains.cpp:49:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   49 |  int mid = l + r >> 1;
      |            ~~^~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 51804 KB Output is correct
2 Correct 13 ms 51800 KB Output is correct
3 Correct 12 ms 51980 KB Output is correct
4 Correct 14 ms 52060 KB Output is correct
5 Correct 12 ms 51800 KB Output is correct
6 Correct 12 ms 51804 KB Output is correct
7 Correct 13 ms 51980 KB Output is correct
8 Correct 11 ms 51804 KB Output is correct
9 Correct 12 ms 51804 KB Output is correct
10 Correct 12 ms 51984 KB Output is correct
11 Correct 12 ms 51804 KB Output is correct
12 Correct 12 ms 51804 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 51804 KB Output is correct
2 Correct 13 ms 51800 KB Output is correct
3 Correct 12 ms 51980 KB Output is correct
4 Correct 14 ms 52060 KB Output is correct
5 Correct 12 ms 51800 KB Output is correct
6 Correct 12 ms 51804 KB Output is correct
7 Correct 13 ms 51980 KB Output is correct
8 Correct 11 ms 51804 KB Output is correct
9 Correct 12 ms 51804 KB Output is correct
10 Correct 12 ms 51984 KB Output is correct
11 Correct 12 ms 51804 KB Output is correct
12 Correct 12 ms 51804 KB Output is correct
13 Correct 14 ms 52060 KB Output is correct
14 Correct 14 ms 52056 KB Output is correct
15 Correct 15 ms 52060 KB Output is correct
16 Correct 14 ms 52060 KB Output is correct
17 Correct 14 ms 52056 KB Output is correct
18 Correct 13 ms 52060 KB Output is correct
19 Correct 13 ms 52060 KB Output is correct
20 Correct 14 ms 52056 KB Output is correct
21 Correct 13 ms 52164 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 51804 KB Output is correct
2 Correct 13 ms 51800 KB Output is correct
3 Correct 12 ms 51980 KB Output is correct
4 Correct 14 ms 52060 KB Output is correct
5 Correct 12 ms 51800 KB Output is correct
6 Correct 12 ms 51804 KB Output is correct
7 Correct 13 ms 51980 KB Output is correct
8 Correct 11 ms 51804 KB Output is correct
9 Correct 12 ms 51804 KB Output is correct
10 Correct 12 ms 51984 KB Output is correct
11 Correct 12 ms 51804 KB Output is correct
12 Correct 12 ms 51804 KB Output is correct
13 Correct 14 ms 52060 KB Output is correct
14 Correct 14 ms 52056 KB Output is correct
15 Correct 15 ms 52060 KB Output is correct
16 Correct 14 ms 52060 KB Output is correct
17 Correct 14 ms 52056 KB Output is correct
18 Correct 13 ms 52060 KB Output is correct
19 Correct 13 ms 52060 KB Output is correct
20 Correct 14 ms 52056 KB Output is correct
21 Correct 13 ms 52164 KB Output is correct
22 Correct 219 ms 76060 KB Output is correct
23 Correct 218 ms 76692 KB Output is correct
24 Correct 244 ms 78432 KB Output is correct
25 Correct 407 ms 85264 KB Output is correct
26 Correct 205 ms 75952 KB Output is correct
27 Correct 389 ms 85196 KB Output is correct
28 Correct 458 ms 85288 KB Output is correct
29 Correct 181 ms 75348 KB Output is correct
30 Correct 130 ms 75404 KB Output is correct
31 Correct 151 ms 76372 KB Output is correct
32 Correct 408 ms 84468 KB Output is correct
33 Correct 131 ms 75572 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 51800 KB Output is correct
2 Correct 12 ms 51804 KB Output is correct
3 Correct 13 ms 51804 KB Output is correct
4 Correct 12 ms 51940 KB Output is correct
5 Correct 15 ms 52060 KB Output is correct
6 Correct 14 ms 52060 KB Output is correct
7 Correct 13 ms 52056 KB Output is correct
8 Correct 143 ms 75432 KB Output is correct
9 Correct 177 ms 76564 KB Output is correct
10 Correct 335 ms 84508 KB Output is correct
11 Correct 129 ms 75600 KB Output is correct
12 Correct 124 ms 67360 KB Output is correct
13 Correct 141 ms 67356 KB Output is correct
14 Correct 124 ms 65364 KB Output is correct
15 Correct 98 ms 67076 KB Output is correct
16 Correct 106 ms 65616 KB Output is correct
17 Correct 97 ms 65124 KB Output is correct
18 Correct 855 ms 117340 KB Output is correct
19 Correct 858 ms 117052 KB Output is correct
20 Correct 581 ms 117332 KB Output is correct
21 Correct 622 ms 112808 KB Output is correct
22 Correct 567 ms 114140 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 51804 KB Output is correct
2 Correct 13 ms 51800 KB Output is correct
3 Correct 12 ms 51980 KB Output is correct
4 Correct 14 ms 52060 KB Output is correct
5 Correct 12 ms 51800 KB Output is correct
6 Correct 12 ms 51804 KB Output is correct
7 Correct 13 ms 51980 KB Output is correct
8 Correct 11 ms 51804 KB Output is correct
9 Correct 12 ms 51804 KB Output is correct
10 Correct 12 ms 51984 KB Output is correct
11 Correct 12 ms 51804 KB Output is correct
12 Correct 12 ms 51804 KB Output is correct
13 Correct 14 ms 52060 KB Output is correct
14 Correct 14 ms 52056 KB Output is correct
15 Correct 15 ms 52060 KB Output is correct
16 Correct 14 ms 52060 KB Output is correct
17 Correct 14 ms 52056 KB Output is correct
18 Correct 13 ms 52060 KB Output is correct
19 Correct 13 ms 52060 KB Output is correct
20 Correct 14 ms 52056 KB Output is correct
21 Correct 13 ms 52164 KB Output is correct
22 Correct 144 ms 61428 KB Output is correct
23 Correct 113 ms 61444 KB Output is correct
24 Correct 163 ms 66740 KB Output is correct
25 Correct 181 ms 66512 KB Output is correct
26 Correct 116 ms 67604 KB Output is correct
27 Correct 122 ms 67408 KB Output is correct
28 Correct 123 ms 65616 KB Output is correct
29 Correct 108 ms 67152 KB Output is correct
30 Correct 165 ms 66644 KB Output is correct
31 Correct 158 ms 66552 KB Output is correct
32 Correct 136 ms 67104 KB Output is correct
33 Correct 126 ms 67156 KB Output is correct
34 Correct 142 ms 65876 KB Output is correct
35 Correct 152 ms 66524 KB Output is correct
36 Correct 131 ms 66896 KB Output is correct
37 Correct 125 ms 67344 KB Output is correct
38 Correct 130 ms 67668 KB Output is correct
39 Correct 97 ms 65360 KB Output is correct
40 Correct 98 ms 67284 KB Output is correct
41 Correct 96 ms 65484 KB Output is correct
42 Correct 125 ms 65224 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 51804 KB Output is correct
2 Correct 13 ms 51800 KB Output is correct
3 Correct 12 ms 51980 KB Output is correct
4 Correct 14 ms 52060 KB Output is correct
5 Correct 12 ms 51800 KB Output is correct
6 Correct 12 ms 51804 KB Output is correct
7 Correct 13 ms 51980 KB Output is correct
8 Correct 11 ms 51804 KB Output is correct
9 Correct 12 ms 51804 KB Output is correct
10 Correct 12 ms 51984 KB Output is correct
11 Correct 12 ms 51804 KB Output is correct
12 Correct 12 ms 51804 KB Output is correct
13 Correct 14 ms 52060 KB Output is correct
14 Correct 14 ms 52056 KB Output is correct
15 Correct 15 ms 52060 KB Output is correct
16 Correct 14 ms 52060 KB Output is correct
17 Correct 14 ms 52056 KB Output is correct
18 Correct 13 ms 52060 KB Output is correct
19 Correct 13 ms 52060 KB Output is correct
20 Correct 14 ms 52056 KB Output is correct
21 Correct 13 ms 52164 KB Output is correct
22 Correct 219 ms 76060 KB Output is correct
23 Correct 218 ms 76692 KB Output is correct
24 Correct 244 ms 78432 KB Output is correct
25 Correct 407 ms 85264 KB Output is correct
26 Correct 205 ms 75952 KB Output is correct
27 Correct 389 ms 85196 KB Output is correct
28 Correct 458 ms 85288 KB Output is correct
29 Correct 181 ms 75348 KB Output is correct
30 Correct 130 ms 75404 KB Output is correct
31 Correct 151 ms 76372 KB Output is correct
32 Correct 408 ms 84468 KB Output is correct
33 Correct 131 ms 75572 KB Output is correct
34 Correct 11 ms 51800 KB Output is correct
35 Correct 12 ms 51804 KB Output is correct
36 Correct 13 ms 51804 KB Output is correct
37 Correct 12 ms 51940 KB Output is correct
38 Correct 15 ms 52060 KB Output is correct
39 Correct 14 ms 52060 KB Output is correct
40 Correct 13 ms 52056 KB Output is correct
41 Correct 143 ms 75432 KB Output is correct
42 Correct 177 ms 76564 KB Output is correct
43 Correct 335 ms 84508 KB Output is correct
44 Correct 129 ms 75600 KB Output is correct
45 Correct 124 ms 67360 KB Output is correct
46 Correct 141 ms 67356 KB Output is correct
47 Correct 124 ms 65364 KB Output is correct
48 Correct 98 ms 67076 KB Output is correct
49 Correct 106 ms 65616 KB Output is correct
50 Correct 97 ms 65124 KB Output is correct
51 Correct 855 ms 117340 KB Output is correct
52 Correct 858 ms 117052 KB Output is correct
53 Correct 581 ms 117332 KB Output is correct
54 Correct 622 ms 112808 KB Output is correct
55 Correct 567 ms 114140 KB Output is correct
56 Correct 144 ms 61428 KB Output is correct
57 Correct 113 ms 61444 KB Output is correct
58 Correct 163 ms 66740 KB Output is correct
59 Correct 181 ms 66512 KB Output is correct
60 Correct 116 ms 67604 KB Output is correct
61 Correct 122 ms 67408 KB Output is correct
62 Correct 123 ms 65616 KB Output is correct
63 Correct 108 ms 67152 KB Output is correct
64 Correct 165 ms 66644 KB Output is correct
65 Correct 158 ms 66552 KB Output is correct
66 Correct 136 ms 67104 KB Output is correct
67 Correct 126 ms 67156 KB Output is correct
68 Correct 142 ms 65876 KB Output is correct
69 Correct 152 ms 66524 KB Output is correct
70 Correct 131 ms 66896 KB Output is correct
71 Correct 125 ms 67344 KB Output is correct
72 Correct 130 ms 67668 KB Output is correct
73 Correct 97 ms 65360 KB Output is correct
74 Correct 98 ms 67284 KB Output is correct
75 Correct 96 ms 65484 KB Output is correct
76 Correct 125 ms 65224 KB Output is correct
77 Correct 1118 ms 112980 KB Output is correct
78 Correct 1031 ms 112788 KB Output is correct
79 Correct 767 ms 118652 KB Output is correct
80 Correct 820 ms 118708 KB Output is correct
81 Correct 838 ms 116224 KB Output is correct
82 Correct 738 ms 117584 KB Output is correct
83 Correct 1122 ms 112676 KB Output is correct
84 Correct 1120 ms 112792 KB Output is correct
85 Correct 994 ms 114096 KB Output is correct
86 Correct 909 ms 111224 KB Output is correct
87 Correct 939 ms 111700 KB Output is correct
88 Correct 802 ms 116868 KB Output is correct