oj.uz

Submission #1070570

# Submission time Handle Problem Language Result Execution time Memory
1070570 2024-08-22T15:29:40 Z becaido Soccer Stadium (IOI23_soccer) C++17
100 / 100
 536 ms 147648 KB 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;

#ifndef WAIMAI
#include "soccer.h"
#else
#include "grader.cpp"
#endif

#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout(T t, U...u) {cout << t << (sizeof...(u) ? ", " : ""), dout(u...);}
#else
#define debug(...) 7122
#endif

#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second

const int SIZE = 2005;

int n, ans;
bool a[SIZE][SIZE];
vector<pair<int, int>> p[SIZE];
int U[SIZE][SIZE], L[SIZE][SIZE], R[SIZE][SIZE], dp[SIZE][SIZE];

int biggest_stadium(int N, vector<vector<int>> F) {
    n = N, ans = 0;
    FOR (i, 1, n) p[i].clear();
    FOR (i, 1, n) FOR (j, 1, n) a[i][j] = F[i - 1][j - 1], dp[i][j] = 0;
    FOR (i, 1, n) {
        FOR (j, 1, n) {
            U[i][j] = (a[i][j] ? i : U[i - 1][j]);
            L[i][j] = (a[i][j] ? j : L[i][j - 1]);
            if (U[i][j] < i) p[i - U[i][j]].pb(i, j);
        }
        R[i][n + 1] = n + 1;
        for (int j = n; j >= 1; j--) R[i][j] = (a[i][j] ? j : R[i][j + 1]);
    }
    FOR (ulen, 1, n) for (auto [x, y] : p[ulen]) {
        if (ulen > 1) {
            L[x][y] = max(L[x][y], L[x - 1][y]);
            R[x][y] = min(R[x][y], R[x - 1][y]);
        }
        dp[x][y] = dp[x-  1][y] + (R[x][y] - L[x][y] - 1);
        if (L[x][y] >= 1) dp[x][y] = max(dp[x][y], dp[x][L[x][y]] + (U[x][L[x][y]] - U[x][y]) * (R[x][y] - L[x][y] - 1));
        if (R[x][y] <= n) dp[x][y] = max(dp[x][y], dp[x][R[x][y]] + (U[x][R[x][y]] - U[x][y]) * (R[x][y] - L[x][y] - 1));
        ans = max(ans, dp[x][y]);
    }
    return ans;
}

/*
in1
5
0 0 0 0 0
1 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 1 0 0
out1
20
*/

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 4444 KB ok
3 Correct 1 ms 8540 KB ok
4 Correct 1 ms 4444 KB ok
5 Correct 1 ms 4444 KB ok
6 Correct 1 ms 4444 KB ok
7 Correct 2 ms 9308 KB ok
8 Correct 35 ms 26972 KB ok
9 Correct 253 ms 138584 KB ok

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 4444 KB ok
3 Correct 1 ms 4444 KB ok
4 Correct 1 ms 4444 KB ok
5 Correct 1 ms 4444 KB ok
6 Correct 1 ms 8540 KB ok
7 Correct 1 ms 4548 KB ok
8 Correct 1 ms 4444 KB ok
9 Correct 1 ms 4444 KB ok
10 Correct 1 ms 4444 KB ok
11 Correct 1 ms 4444 KB ok
12 Correct 1 ms 4444 KB ok
13 Correct 1 ms 8540 KB ok

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 4444 KB ok
3 Correct 1 ms 4444 KB ok
4 Correct 1 ms 4444 KB ok
5 Correct 1 ms 4444 KB ok
6 Correct 1 ms 4444 KB ok
7 Correct 1 ms 8540 KB ok
8 Correct 1 ms 4548 KB ok
9 Correct 1 ms 4444 KB ok
10 Correct 1 ms 4444 KB ok
11 Correct 1 ms 4444 KB ok
12 Correct 1 ms 4444 KB ok
13 Correct 1 ms 4444 KB ok
14 Correct 1 ms 8540 KB ok
15 Correct 1 ms 4440 KB ok
16 Correct 1 ms 4444 KB ok
17 Correct 1 ms 4444 KB ok
18 Correct 1 ms 4444 KB ok
19 Correct 1 ms 4440 KB ok
20 Correct 1 ms 8536 KB ok
21 Correct 2 ms 8540 KB ok
22 Correct 2 ms 8540 KB ok
23 Correct 1 ms 8540 KB ok
24 Correct 1 ms 8536 KB ok
25 Correct 1 ms 8536 KB ok
26 Correct 1 ms 4544 KB ok

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 4444 KB ok
3 Correct 1 ms 4444 KB ok
4 Correct 1 ms 8540 KB ok
5 Correct 1 ms 4444 KB ok
6 Correct 1 ms 4444 KB ok
7 Correct 1 ms 4444 KB ok
8 Correct 1 ms 4444 KB ok
9 Correct 1 ms 8540 KB ok
10 Correct 1 ms 4548 KB ok
11 Correct 1 ms 4444 KB ok
12 Correct 1 ms 4444 KB ok
13 Correct 1 ms 4444 KB ok
14 Correct 1 ms 4444 KB ok
15 Correct 1 ms 4444 KB ok
16 Correct 1 ms 8540 KB ok
17 Correct 1 ms 4440 KB ok
18 Correct 1 ms 4444 KB ok
19 Correct 1 ms 4444 KB ok
20 Correct 1 ms 4444 KB ok
21 Correct 1 ms 4440 KB ok
22 Correct 1 ms 8536 KB ok
23 Correct 2 ms 8540 KB ok
24 Correct 2 ms 8540 KB ok
25 Correct 1 ms 8540 KB ok
26 Correct 1 ms 8536 KB ok
27 Correct 1 ms 8536 KB ok
28 Correct 1 ms 4544 KB ok
29 Correct 1 ms 8536 KB ok
30 Correct 2 ms 8796 KB ok
31 Correct 1 ms 8796 KB ok
32 Correct 2 ms 8892 KB ok
33 Correct 2 ms 12636 KB ok
34 Correct 2 ms 12636 KB ok
35 Correct 2 ms 12636 KB ok
36 Correct 2 ms 12636 KB ok
37 Correct 2 ms 12636 KB ok
38 Correct 1 ms 12636 KB ok
39 Correct 2 ms 12636 KB ok
40 Correct 1 ms 8796 KB ok
41 Correct 1 ms 8796 KB ok

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 4444 KB ok
3 Correct 1 ms 4444 KB ok
4 Correct 1 ms 8540 KB ok
5 Correct 1 ms 4444 KB ok
6 Correct 1 ms 4444 KB ok
7 Correct 1 ms 4444 KB ok
8 Correct 1 ms 4444 KB ok
9 Correct 1 ms 8540 KB ok
10 Correct 1 ms 4548 KB ok
11 Correct 1 ms 4444 KB ok
12 Correct 1 ms 4444 KB ok
13 Correct 1 ms 4444 KB ok
14 Correct 1 ms 4444 KB ok
15 Correct 1 ms 4444 KB ok
16 Correct 1 ms 8540 KB ok
17 Correct 1 ms 4440 KB ok
18 Correct 1 ms 4444 KB ok
19 Correct 1 ms 4444 KB ok
20 Correct 1 ms 4444 KB ok
21 Correct 1 ms 4440 KB ok
22 Correct 1 ms 8536 KB ok
23 Correct 2 ms 8540 KB ok
24 Correct 2 ms 8540 KB ok
25 Correct 1 ms 8540 KB ok
26 Correct 1 ms 8536 KB ok
27 Correct 1 ms 8536 KB ok
28 Correct 1 ms 4544 KB ok
29 Correct 1 ms 8536 KB ok
30 Correct 2 ms 8796 KB ok
31 Correct 1 ms 8796 KB ok
32 Correct 2 ms 8892 KB ok
33 Correct 2 ms 12636 KB ok
34 Correct 2 ms 12636 KB ok
35 Correct 2 ms 12636 KB ok
36 Correct 2 ms 12636 KB ok
37 Correct 2 ms 12636 KB ok
38 Correct 1 ms 12636 KB ok
39 Correct 2 ms 12636 KB ok
40 Correct 1 ms 8796 KB ok
41 Correct 1 ms 8796 KB ok
42 Correct 20 ms 27192 KB ok
43 Correct 19 ms 26884 KB ok
44 Correct 29 ms 27472 KB ok
45 Correct 20 ms 27676 KB ok
46 Correct 27 ms 27480 KB ok
47 Correct 19 ms 27228 KB ok
48 Correct 19 ms 30872 KB ok
49 Correct 17 ms 31064 KB ok
50 Correct 18 ms 29452 KB ok
51 Correct 19 ms 32088 KB ok
52 Correct 17 ms 29980 KB ok
53 Correct 15 ms 29788 KB ok
54 Correct 18 ms 30040 KB ok
55 Correct 29 ms 30292 KB ok
56 Correct 15 ms 27740 KB ok
57 Correct 33 ms 27728 KB ok
58 Correct 33 ms 27728 KB ok
59 Correct 20 ms 27800 KB ok

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 4444 KB ok
3 Correct 1 ms 4444 KB ok
4 Correct 1 ms 8540 KB ok
5 Correct 1 ms 4444 KB ok
6 Correct 1 ms 4444 KB ok
7 Correct 1 ms 4444 KB ok
8 Correct 2 ms 9308 KB ok
9 Correct 35 ms 26972 KB ok
10 Correct 253 ms 138584 KB ok
11 Correct 1 ms 4444 KB ok
12 Correct 1 ms 4444 KB ok
13 Correct 1 ms 4444 KB ok
14 Correct 1 ms 8540 KB ok
15 Correct 1 ms 4548 KB ok
16 Correct 1 ms 4444 KB ok
17 Correct 1 ms 4444 KB ok
18 Correct 1 ms 4444 KB ok
19 Correct 1 ms 4444 KB ok
20 Correct 1 ms 4444 KB ok
21 Correct 1 ms 8540 KB ok
22 Correct 1 ms 4440 KB ok
23 Correct 1 ms 4444 KB ok
24 Correct 1 ms 4444 KB ok
25 Correct 1 ms 4444 KB ok
26 Correct 1 ms 4440 KB ok
27 Correct 1 ms 8536 KB ok
28 Correct 2 ms 8540 KB ok
29 Correct 2 ms 8540 KB ok
30 Correct 1 ms 8540 KB ok
31 Correct 1 ms 8536 KB ok
32 Correct 1 ms 8536 KB ok
33 Correct 1 ms 4544 KB ok
34 Correct 1 ms 8536 KB ok
35 Correct 2 ms 8796 KB ok
36 Correct 1 ms 8796 KB ok
37 Correct 2 ms 8892 KB ok
38 Correct 2 ms 12636 KB ok
39 Correct 2 ms 12636 KB ok
40 Correct 2 ms 12636 KB ok
41 Correct 2 ms 12636 KB ok
42 Correct 2 ms 12636 KB ok
43 Correct 1 ms 12636 KB ok
44 Correct 2 ms 12636 KB ok
45 Correct 1 ms 8796 KB ok
46 Correct 1 ms 8796 KB ok
47 Correct 20 ms 27192 KB ok
48 Correct 19 ms 26884 KB ok
49 Correct 29 ms 27472 KB ok
50 Correct 20 ms 27676 KB ok
51 Correct 27 ms 27480 KB ok
52 Correct 19 ms 27228 KB ok
53 Correct 19 ms 30872 KB ok
54 Correct 17 ms 31064 KB ok
55 Correct 18 ms 29452 KB ok
56 Correct 19 ms 32088 KB ok
57 Correct 17 ms 29980 KB ok
58 Correct 15 ms 29788 KB ok
59 Correct 18 ms 30040 KB ok
60 Correct 29 ms 30292 KB ok
61 Correct 15 ms 27740 KB ok
62 Correct 33 ms 27728 KB ok
63 Correct 33 ms 27728 KB ok
64 Correct 20 ms 27800 KB ok
65 Correct 316 ms 140448 KB ok
66 Correct 284 ms 116912 KB ok
67 Correct 237 ms 110012 KB ok
68 Correct 380 ms 145744 KB ok
69 Correct 393 ms 142136 KB ok
70 Correct 384 ms 141504 KB ok
71 Correct 325 ms 144724 KB ok
72 Correct 270 ms 138576 KB ok
73 Correct 258 ms 126800 KB ok
74 Correct 253 ms 127004 KB ok
75 Correct 256 ms 126756 KB ok
76 Correct 253 ms 130492 KB ok
77 Correct 248 ms 130488 KB ok
78 Correct 297 ms 142956 KB ok
79 Correct 231 ms 108564 KB ok
80 Correct 232 ms 108484 KB ok
81 Correct 250 ms 110760 KB ok
82 Correct 248 ms 115568 KB ok
83 Correct 250 ms 115792 KB ok
84 Correct 267 ms 110676 KB ok
85 Correct 231 ms 108980 KB ok
86 Correct 224 ms 112208 KB ok
87 Correct 249 ms 113232 KB ok
88 Correct 226 ms 120404 KB ok
89 Correct 269 ms 137556 KB ok
90 Correct 244 ms 135508 KB ok
91 Correct 262 ms 137556 KB ok
92 Correct 264 ms 111112 KB ok
93 Correct 253 ms 111812 KB ok
94 Correct 232 ms 109252 KB ok
95 Correct 279 ms 111040 KB ok
96 Correct 245 ms 111132 KB ok
97 Correct 236 ms 111372 KB ok
98 Correct 226 ms 108224 KB ok
99 Correct 303 ms 139216 KB ok
100 Correct 291 ms 145188 KB ok
101 Correct 536 ms 143956 KB ok
102 Correct 295 ms 143960 KB ok
103 Correct 292 ms 145620 KB ok
104 Correct 305 ms 145448 KB ok
105 Correct 284 ms 145956 KB ok
106 Correct 305 ms 146848 KB ok
107 Correct 308 ms 147648 KB ok
108 Correct 273 ms 135540 KB ok
109 Correct 273 ms 136388 KB ok