oj.uz

답안 #607583

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
607583 2022-07-26T20:31:15 Z Temmie Rectangles (IOI19_rect) C++17
100 / 100
 4221 ms 561260 KB 
#include <bits/stdc++.h>

inline bool bad(int i, int j, std::vector <std::vector <int>> c[2], std::vector <std::vector <int>> r[2]) {
	return c[0][i][j] == -1 || c[1][i][j] == -1 || r[1][i][j] == -1 || r[0][i][j] == -1;
}

long long count_rectangles(std::vector <std::vector <int>> g) {
	int n = g.size();
	int m = g[0].size();
	std::vector <std::vector <int>> c[2], r[2];
	c[0] = c[1] = r[0] = r[1] = std::vector <std::vector <int>> (n, std::vector <int> (m, -1));
	std::vector <int> v;
	for (int j = 0; j < m; j++, v.clear()) { for (int i = 0; i < n; i++) { int vb; while (v.size() && g[i][j] > g[vb = v.back()][j]) { r[1][vb][j] = i; v.pop_back(); } if (v.size()) { r[0][i][j] = vb; if (g[i][j] >= g[vb][j]) { r[0][i][j] = r[0][vb][j]; } } v.push_back(i); } }
	for (int i = 0; i < n; i++, v.clear()) { for (int j = 0; j < m; j++) { int vb; while (v.size() && g[i][j] > g[i][vb = v.back()]) { c[1][i][vb] = j; v.pop_back(); } if (v.size()) { c[0][i][j] = vb; if (g[i][j] >= g[i][vb]) { c[0][i][j] = c[0][i][vb]; } } v.push_back(j); } }
	bool ok[3000][3000];
	memset(ok, true, sizeof(ok));
	std::vector <int> cc[2] = { std::vector <int> (m * m), std::vector <int> (m * m, -42) }, rr[2] = { std::vector <int> (n * n, -42), std::vector <int> (n * n, -42) };
	for (int i = 0; i < n; i++) { for (int j = 0, ind; j < m; j++) { if (!bad(i, j, c, r)) { if ((cc[1][ind = c[0][i][j] * m + c[1][i][j]]) < i - 1) { cc[0][ind] = i; } cc[1][ind] = i; ok[i][j] &= cc[0][ind] <= r[0][i][j] + 1; } } }
	for (int j = 0; j < m; j++) { for (int i = 0, ind; i < n; i++) { if (!bad(i, j, c, r)) { if ((rr[1][ind = r[0][i][j] * n + r[1][i][j]]) < j - 1) { rr[0][ind] = j; } rr[1][ind] = j; ok[i][j] &= rr[0][ind] <= c[0][i][j] + 1; } } }
	for (int i = 0; i < m; i++) { for (int j = 0; j < m; j++) { cc[1][i * m + j] = n + 1; } }
	for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { rr[1][i * n + j] = m + 1; } }
	for (int i = n - 1; ~i; i--) { for (int j = 0, ind; j < m; j++) { if (!bad(i, j, c, r)) { if ((cc[1][ind = c[0][i][j] * m + c[1][i][j]]) > i + 1) { cc[0][ind] = i; } cc[1][ind] = i; ok[i][j] &= cc[0][ind] >= r[1][i][j] - 1; } } }
	for (int j = m - 1; ~j; j--) { for (int i = 0, ind; i < n; i++) { if (!bad(i, j, c, r)) { if ((rr[1][ind = r[0][i][j] * n + r[1][i][j]]) > j + 1) { rr[0][ind] = j; } rr[1][ind] = j; ok[i][j] &= rr[0][ind] >= c[1][i][j] - 1; } } }
	long long ans = 0;
	std::set <long long> st;
	for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (!bad(i, j, c, r) && ok[i][j]) { long long chain = (((long long) c[0][i][j] * m + c[1][i][j]) * n + r[0][i][j]) * n + r[1][i][j]; ans += st.find(chain) == st.end(); st.insert(chain); } } }
	return ans;
}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 9044 KB Output is correct
2 Correct 5 ms 9172 KB Output is correct
3 Correct 6 ms 9172 KB Output is correct
4 Correct 5 ms 9172 KB Output is correct
5 Correct 5 ms 9128 KB Output is correct
6 Correct 5 ms 9132 KB Output is correct
7 Correct 5 ms 9060 KB Output is correct
8 Correct 5 ms 9024 KB Output is correct
9 Correct 5 ms 9044 KB Output is correct
10 Correct 7 ms 9044 KB Output is correct
11 Correct 6 ms 9044 KB Output is correct
12 Correct 5 ms 9044 KB Output is correct
13 Correct 5 ms 9044 KB Output is correct
14 Correct 4 ms 9044 KB Output is correct
15 Correct 5 ms 9044 KB Output is correct
16 Correct 6 ms 9044 KB Output is correct
17 Correct 4 ms 9016 KB Output is correct
18 Correct 4 ms 9044 KB Output is correct
19 Correct 4 ms 9044 KB Output is correct
20 Correct 5 ms 9044 KB Output is correct
21 Correct 4 ms 9044 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 9044 KB Output is correct
2 Correct 5 ms 9172 KB Output is correct
3 Correct 6 ms 9172 KB Output is correct
4 Correct 5 ms 9172 KB Output is correct
5 Correct 5 ms 9128 KB Output is correct
6 Correct 5 ms 9132 KB Output is correct
7 Correct 5 ms 9060 KB Output is correct
8 Correct 5 ms 9024 KB Output is correct
9 Correct 5 ms 9044 KB Output is correct
10 Correct 7 ms 9044 KB Output is correct
11 Correct 6 ms 9044 KB Output is correct
12 Correct 5 ms 9044 KB Output is correct
13 Correct 5 ms 9044 KB Output is correct
14 Correct 4 ms 9044 KB Output is correct
15 Correct 5 ms 9044 KB Output is correct
16 Correct 6 ms 9044 KB Output is correct
17 Correct 4 ms 9016 KB Output is correct
18 Correct 4 ms 9044 KB Output is correct
19 Correct 4 ms 9044 KB Output is correct
20 Correct 5 ms 9044 KB Output is correct
21 Correct 4 ms 9044 KB Output is correct
22 Correct 8 ms 9564 KB Output is correct
23 Correct 9 ms 9584 KB Output is correct
24 Correct 7 ms 9684 KB Output is correct
25 Correct 6 ms 9408 KB Output is correct
26 Correct 7 ms 9428 KB Output is correct
27 Correct 7 ms 9404 KB Output is correct
28 Correct 7 ms 9488 KB Output is correct
29 Correct 5 ms 9300 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 9044 KB Output is correct
2 Correct 5 ms 9172 KB Output is correct
3 Correct 6 ms 9172 KB Output is correct
4 Correct 5 ms 9172 KB Output is correct
5 Correct 5 ms 9128 KB Output is correct
6 Correct 5 ms 9132 KB Output is correct
7 Correct 5 ms 9060 KB Output is correct
8 Correct 5 ms 9024 KB Output is correct
9 Correct 5 ms 9044 KB Output is correct
10 Correct 7 ms 9044 KB Output is correct
11 Correct 6 ms 9044 KB Output is correct
12 Correct 5 ms 9044 KB Output is correct
13 Correct 5 ms 9044 KB Output is correct
14 Correct 4 ms 9044 KB Output is correct
15 Correct 5 ms 9044 KB Output is correct
16 Correct 6 ms 9044 KB Output is correct
17 Correct 8 ms 9564 KB Output is correct
18 Correct 9 ms 9584 KB Output is correct
19 Correct 7 ms 9684 KB Output is correct
20 Correct 6 ms 9408 KB Output is correct
21 Correct 7 ms 9428 KB Output is correct
22 Correct 7 ms 9404 KB Output is correct
23 Correct 7 ms 9488 KB Output is correct
24 Correct 5 ms 9300 KB Output is correct
25 Correct 4 ms 9016 KB Output is correct
26 Correct 4 ms 9044 KB Output is correct
27 Correct 4 ms 9044 KB Output is correct
28 Correct 5 ms 9044 KB Output is correct
29 Correct 4 ms 9044 KB Output is correct
30 Correct 18 ms 12712 KB Output is correct
31 Correct 17 ms 12712 KB Output is correct
32 Correct 17 ms 12804 KB Output is correct
33 Correct 10 ms 10964 KB Output is correct
34 Correct 15 ms 11484 KB Output is correct
35 Correct 17 ms 11624 KB Output is correct
36 Correct 16 ms 11604 KB Output is correct
37 Correct 14 ms 11576 KB Output is correct

Subtask #4
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 9044 KB Output is correct
2 Correct 5 ms 9172 KB Output is correct
3 Correct 6 ms 9172 KB Output is correct
4 Correct 5 ms 9172 KB Output is correct
5 Correct 5 ms 9128 KB Output is correct
6 Correct 5 ms 9132 KB Output is correct
7 Correct 5 ms 9060 KB Output is correct
8 Correct 5 ms 9024 KB Output is correct
9 Correct 5 ms 9044 KB Output is correct
10 Correct 7 ms 9044 KB Output is correct
11 Correct 6 ms 9044 KB Output is correct
12 Correct 5 ms 9044 KB Output is correct
13 Correct 5 ms 9044 KB Output is correct
14 Correct 4 ms 9044 KB Output is correct
15 Correct 5 ms 9044 KB Output is correct
16 Correct 6 ms 9044 KB Output is correct
17 Correct 8 ms 9564 KB Output is correct
18 Correct 9 ms 9584 KB Output is correct
19 Correct 7 ms 9684 KB Output is correct
20 Correct 6 ms 9408 KB Output is correct
21 Correct 7 ms 9428 KB Output is correct
22 Correct 7 ms 9404 KB Output is correct
23 Correct 7 ms 9488 KB Output is correct
24 Correct 5 ms 9300 KB Output is correct
25 Correct 18 ms 12712 KB Output is correct
26 Correct 17 ms 12712 KB Output is correct
27 Correct 17 ms 12804 KB Output is correct
28 Correct 10 ms 10964 KB Output is correct
29 Correct 15 ms 11484 KB Output is correct
30 Correct 17 ms 11624 KB Output is correct
31 Correct 16 ms 11604 KB Output is correct
32 Correct 14 ms 11576 KB Output is correct
33 Correct 4 ms 9016 KB Output is correct
34 Correct 4 ms 9044 KB Output is correct
35 Correct 4 ms 9044 KB Output is correct
36 Correct 5 ms 9044 KB Output is correct
37 Correct 4 ms 9044 KB Output is correct
38 Correct 47 ms 31512 KB Output is correct
39 Correct 47 ms 31588 KB Output is correct
40 Correct 43 ms 31596 KB Output is correct
41 Correct 43 ms 31524 KB Output is correct
42 Correct 175 ms 54556 KB Output is correct
43 Correct 173 ms 54576 KB Output is correct
44 Correct 177 ms 54764 KB Output is correct
45 Correct 161 ms 52060 KB Output is correct
46 Correct 89 ms 30420 KB Output is correct
47 Correct 98 ms 31564 KB Output is correct
48 Correct 146 ms 37964 KB Output is correct
49 Correct 175 ms 39972 KB Output is correct
50 Correct 73 ms 25512 KB Output is correct
51 Correct 66 ms 25432 KB Output is correct
52 Correct 179 ms 38900 KB Output is correct
53 Correct 168 ms 40016 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 31 ms 58288 KB Output is correct
2 Correct 25 ms 44516 KB Output is correct
3 Correct 31 ms 58228 KB Output is correct
4 Correct 5 ms 9044 KB Output is correct
5 Correct 32 ms 58196 KB Output is correct
6 Correct 30 ms 58260 KB Output is correct
7 Correct 31 ms 58284 KB Output is correct
8 Correct 30 ms 58176 KB Output is correct
9 Correct 29 ms 58156 KB Output is correct
10 Correct 31 ms 58084 KB Output is correct
11 Correct 30 ms 58096 KB Output is correct

Subtask #6
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9016 KB Output is correct
2 Correct 4 ms 9044 KB Output is correct
3 Correct 4 ms 9044 KB Output is correct
4 Correct 5 ms 9044 KB Output is correct
5 Correct 4 ms 9044 KB Output is correct
6 Correct 4 ms 9044 KB Output is correct
7 Correct 628 ms 141696 KB Output is correct
8 Correct 1370 ms 276888 KB Output is correct
9 Correct 1414 ms 278224 KB Output is correct
10 Correct 1391 ms 278308 KB Output is correct
11 Correct 212 ms 148804 KB Output is correct
12 Correct 532 ms 250624 KB Output is correct
13 Correct 440 ms 266464 KB Output is correct

Subtask #7
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 9044 KB Output is correct
2 Correct 5 ms 9172 KB Output is correct
3 Correct 6 ms 9172 KB Output is correct
4 Correct 5 ms 9172 KB Output is correct
5 Correct 5 ms 9128 KB Output is correct
6 Correct 5 ms 9132 KB Output is correct
7 Correct 5 ms 9060 KB Output is correct
8 Correct 5 ms 9024 KB Output is correct
9 Correct 5 ms 9044 KB Output is correct
10 Correct 7 ms 9044 KB Output is correct
11 Correct 6 ms 9044 KB Output is correct
12 Correct 5 ms 9044 KB Output is correct
13 Correct 5 ms 9044 KB Output is correct
14 Correct 4 ms 9044 KB Output is correct
15 Correct 5 ms 9044 KB Output is correct
16 Correct 6 ms 9044 KB Output is correct
17 Correct 8 ms 9564 KB Output is correct
18 Correct 9 ms 9584 KB Output is correct
19 Correct 7 ms 9684 KB Output is correct
20 Correct 6 ms 9408 KB Output is correct
21 Correct 7 ms 9428 KB Output is correct
22 Correct 7 ms 9404 KB Output is correct
23 Correct 7 ms 9488 KB Output is correct
24 Correct 5 ms 9300 KB Output is correct
25 Correct 18 ms 12712 KB Output is correct
26 Correct 17 ms 12712 KB Output is correct
27 Correct 17 ms 12804 KB Output is correct
28 Correct 10 ms 10964 KB Output is correct
29 Correct 15 ms 11484 KB Output is correct
30 Correct 17 ms 11624 KB Output is correct
31 Correct 16 ms 11604 KB Output is correct
32 Correct 14 ms 11576 KB Output is correct
33 Correct 47 ms 31512 KB Output is correct
34 Correct 47 ms 31588 KB Output is correct
35 Correct 43 ms 31596 KB Output is correct
36 Correct 43 ms 31524 KB Output is correct
37 Correct 175 ms 54556 KB Output is correct
38 Correct 173 ms 54576 KB Output is correct
39 Correct 177 ms 54764 KB Output is correct
40 Correct 161 ms 52060 KB Output is correct
41 Correct 89 ms 30420 KB Output is correct
42 Correct 98 ms 31564 KB Output is correct
43 Correct 146 ms 37964 KB Output is correct
44 Correct 175 ms 39972 KB Output is correct
45 Correct 73 ms 25512 KB Output is correct
46 Correct 66 ms 25432 KB Output is correct
47 Correct 179 ms 38900 KB Output is correct
48 Correct 168 ms 40016 KB Output is correct
49 Correct 31 ms 58288 KB Output is correct
50 Correct 25 ms 44516 KB Output is correct
51 Correct 31 ms 58228 KB Output is correct
52 Correct 5 ms 9044 KB Output is correct
53 Correct 32 ms 58196 KB Output is correct
54 Correct 30 ms 58260 KB Output is correct
55 Correct 31 ms 58284 KB Output is correct
56 Correct 30 ms 58176 KB Output is correct
57 Correct 29 ms 58156 KB Output is correct
58 Correct 31 ms 58084 KB Output is correct
59 Correct 30 ms 58096 KB Output is correct
60 Correct 4 ms 9044 KB Output is correct
61 Correct 628 ms 141696 KB Output is correct
62 Correct 1370 ms 276888 KB Output is correct
63 Correct 1414 ms 278224 KB Output is correct
64 Correct 1391 ms 278308 KB Output is correct
65 Correct 212 ms 148804 KB Output is correct
66 Correct 532 ms 250624 KB Output is correct
67 Correct 440 ms 266464 KB Output is correct
68 Correct 4 ms 9016 KB Output is correct
69 Correct 4 ms 9044 KB Output is correct
70 Correct 4 ms 9044 KB Output is correct
71 Correct 5 ms 9044 KB Output is correct
72 Correct 4 ms 9044 KB Output is correct
73 Correct 826 ms 268064 KB Output is correct
74 Correct 845 ms 268068 KB Output is correct
75 Correct 717 ms 268072 KB Output is correct
76 Correct 753 ms 268152 KB Output is correct
77 Correct 3530 ms 561260 KB Output is correct
78 Correct 1936 ms 237492 KB Output is correct
79 Correct 2058 ms 256140 KB Output is correct
80 Correct 3495 ms 373924 KB Output is correct
81 Correct 2151 ms 225292 KB Output is correct
82 Correct 2586 ms 289164 KB Output is correct
83 Correct 3858 ms 356560 KB Output is correct
84 Correct 2234 ms 224784 KB Output is correct
85 Correct 4221 ms 356040 KB Output is correct
86 Correct 3692 ms 346400 KB Output is correct
87 Correct 2086 ms 341028 KB Output is correct
88 Correct 3579 ms 548560 KB Output is correct
89 Correct 3647 ms 549024 KB Output is correct
90 Correct 3642 ms 548976 KB Output is correct