oj.uz

Submission #1076327

# Submission time Handle Problem Language Result Execution time Memory
1076327 2024-08-26T13:02:40 Z c2zi6 Soccer Stadium (IOI23_soccer) C++17
35.5 / 100
 462 ms 103456 KB 
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(a) (a).begin(), (a).end()
#define replr(i, a, b) for (int i = int(a); i <= int(b); ++i)
#define reprl(i, a, b) for (int i = int(a); i >= int(b); --i)
#define rep(i, n) for (int i = 0; i < int(n); ++i)
#define mkp(a, b) make_pair(a, b)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<PII> VPI;
typedef vector<VI> VVI;
typedef vector<VVI> VVVI;
typedef vector<VPI> VVPI;
typedef pair<ll, ll> PLL;
typedef vector<ll> VL;
typedef vector<PLL> VPL;
typedef vector<VL> VVL;
typedef vector<VVL> VVVL;
typedef vector<VPL> VVPL;
template<class T> T setmax(T& a, T b) {if (a < b) return a = b; return a;}
template<class T> T setmin(T& a, T b) {if (a < b) return a; return a = b;}
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<class T>
using indset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#include "soccer.h"

int n;
VVI a;
VVI prefv;
VVI prefh;

bool canv(int ux, int uy, int vx, int vy) {
    int y = uy;
    int l, r;
    if (ux < vx) l = ux, r = vx;
    else l = vx, r = ux;
    return (prefv[r+1][y] - prefv[l][y]) == 0;
}

bool canh(int ux, int uy, int vx, int vy) {
    int x = ux;
    int l, r;
    if (uy < vy) l = uy, r = vy;
    else l = vy, r = uy;
    return (prefh[x][r+1] - prefh[x][l]) == 0;
}

bool can1(int ux, int uy, int vx, int vy) {
    return canv(ux, uy, vx, uy) && canh(vx, uy, vx, vy);
}
bool can2(int ux, int uy, int vx, int vy) {
    return canh(ux, uy, ux, vy) && canv(ux, vy, vx, vy);
}

bool can(int ux, int uy, int vx, int vy) {
    return can1(ux, uy, vx, vy) || can2(ux, uy, vx, vy);
}

VPI cucak;
bool can() {
    /*rep(ux, n) rep(uy, n) if (a[ux][uy] == 0) {*/
    /*    rep(vx, n) rep(vy, n) if (a[vx][vy] == 0) {*/
    for (auto[ux, uy] : cucak) {
        for (auto[vx, vy] : cucak) {
            if (can(ux, uy, vx, vy));
            else return 0;
        }
    }
    return true;
}

void tarmacnel() {
    cucak = VPI();
    rep(i, n) rep(j, n) if (a[i][j] == 0) {
        if (i == 0 || j == 0 || i == n-1 || j == n-1) cucak.pb({i, j});
        else {
            if (a[i-1][j] == 1 || a[i+1][j] == 1 || a[i][j-1] || a[i][j+1]) cucak.pb({i, j});
        }
    }
}

int biggest_stadium(int N, VVI A_ARG) {
    n = N;
    a = A_ARG;
    rep(_, 1) {
        int x, y;
        int cnt = 0;
        rep(i, n) rep(j, n) if (a[i][j] == 1) x = i, y = j, cnt++;
        if (cnt == 0) return n*n;
        if (cnt > 1) break;
        int ans = 0;
        setmax(ans, n*n - (x+1)*(y+1));
        setmax(ans, n*n - (x+1)*(n-y));
        setmax(ans, n*n - (n-x)*(y+1));
        setmax(ans, n*n - (n-x)*(n-y));
        return ans;
    }
    prefv = prefh = VVI(n+1, VI(n+1));
    rep(i, n) {
        rep(j, n) prefh[i][j+1] = prefh[i][j] + a[i][j];
    }
    rep(j, n) {
        rep(i, n) prefv[i+1][j] = prefv[i][j] + a[i][j];
    }
    tarmacnel();
    if (N <= 3) {
        int ans = 0;
        VVI atmp = a;
        rep(s, (1<<(n*n))) {
            a = atmp;
            rep(i, n) rep(j, n) if (a[i][j] == 0) {
                a[i][j] = (s & (1<<(n*i+j)));
            }
            tarmacnel();
            if (can()) {
                int cur = 0;
                rep(i, n) rep(j, n) if (a[i][j] == 0) cur++;
                setmax(ans, cur);
            }
        }
        return ans;
    }

    if (!can()) return 0;
    int ans = 0;
    rep(i, n) rep(j, n) if (a[i][j] == 0) ans++;
    return ans;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 1 ms 348 KB ok
5 Correct 0 ms 436 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 1 ms 348 KB ok
8 Correct 13 ms 3780 KB ok
9 Correct 215 ms 54868 KB ok

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 344 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 436 KB ok
6 Correct 1 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Correct 1 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 1 ms 348 KB ok

Subtask #3
5.5 / 22.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial
2 Correct 1 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 344 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 1 ms 436 KB ok
7 Correct 1 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 1 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 1 ms 348 KB ok
15 Partially correct 0 ms 344 KB partial
16 Partially correct 0 ms 348 KB partial
17 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 432 KB ok
22 Partially correct 0 ms 348 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 0 ms 344 KB partial
25 Partially correct 1 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial
2 Correct 1 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Correct 0 ms 344 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 1 ms 436 KB ok
9 Correct 1 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 1 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 0 ms 348 KB ok
16 Correct 1 ms 348 KB ok
17 Partially correct 0 ms 344 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 432 KB ok
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 344 KB partial
27 Partially correct 1 ms 348 KB partial
28 Partially correct 0 ms 348 KB partial
29 Partially correct 0 ms 348 KB partial
30 Partially correct 1 ms 600 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 0 ms 348 KB partial
33 Partially correct 0 ms 348 KB partial
34 Correct 0 ms 348 KB ok
35 Correct 0 ms 348 KB ok
36 Partially correct 0 ms 348 KB partial
37 Partially correct 1 ms 348 KB partial
38 Partially correct 0 ms 348 KB partial
39 Partially correct 0 ms 348 KB partial
40 Partially correct 0 ms 344 KB partial
41 Partially correct 0 ms 604 KB partial

Subtask #5
4.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial
2 Correct 1 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Correct 0 ms 344 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 1 ms 436 KB ok
9 Correct 1 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 1 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 0 ms 348 KB ok
16 Correct 1 ms 348 KB ok
17 Partially correct 0 ms 344 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 432 KB ok
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 344 KB partial
27 Partially correct 1 ms 348 KB partial
28 Partially correct 0 ms 348 KB partial
29 Partially correct 0 ms 348 KB partial
30 Partially correct 1 ms 600 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 0 ms 348 KB partial
33 Partially correct 0 ms 348 KB partial
34 Correct 0 ms 348 KB ok
35 Correct 0 ms 348 KB ok
36 Partially correct 0 ms 348 KB partial
37 Partially correct 1 ms 348 KB partial
38 Partially correct 0 ms 348 KB partial
39 Partially correct 0 ms 348 KB partial
40 Partially correct 0 ms 344 KB partial
41 Partially correct 0 ms 604 KB partial
42 Partially correct 17 ms 6876 KB partial
43 Partially correct 17 ms 6872 KB partial
44 Partially correct 15 ms 5980 KB partial
45 Partially correct 14 ms 5980 KB partial
46 Partially correct 19 ms 6356 KB partial
47 Partially correct 15 ms 5724 KB partial
48 Correct 22 ms 5724 KB ok
49 Partially correct 18 ms 5720 KB partial
50 Partially correct 16 ms 6916 KB partial
51 Partially correct 16 ms 6368 KB partial
52 Partially correct 18 ms 5712 KB partial
53 Partially correct 20 ms 5720 KB partial
54 Partially correct 20 ms 5772 KB partial
55 Partially correct 15 ms 5896 KB partial
56 Partially correct 14 ms 5976 KB partial
57 Partially correct 15 ms 5900 KB partial
58 Partially correct 15 ms 5724 KB partial
59 Partially correct 15 ms 5980 KB partial

Subtask #6
7.5 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial
2 Correct 1 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Correct 0 ms 436 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 1 ms 348 KB ok
9 Correct 13 ms 3780 KB ok
10 Correct 215 ms 54868 KB ok
11 Correct 0 ms 344 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 1 ms 436 KB ok
14 Correct 1 ms 348 KB ok
15 Correct 0 ms 348 KB ok
16 Correct 0 ms 348 KB ok
17 Correct 1 ms 348 KB ok
18 Correct 0 ms 348 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 0 ms 348 KB ok
21 Correct 1 ms 348 KB ok
22 Partially correct 0 ms 344 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Correct 0 ms 348 KB ok
28 Correct 0 ms 432 KB ok
29 Partially correct 0 ms 348 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 0 ms 344 KB partial
32 Partially correct 1 ms 348 KB partial
33 Partially correct 0 ms 348 KB partial
34 Partially correct 0 ms 348 KB partial
35 Partially correct 1 ms 600 KB partial
36 Partially correct 0 ms 348 KB partial
37 Partially correct 0 ms 348 KB partial
38 Partially correct 0 ms 348 KB partial
39 Correct 0 ms 348 KB ok
40 Correct 0 ms 348 KB ok
41 Partially correct 0 ms 348 KB partial
42 Partially correct 1 ms 348 KB partial
43 Partially correct 0 ms 348 KB partial
44 Partially correct 0 ms 348 KB partial
45 Partially correct 0 ms 344 KB partial
46 Partially correct 0 ms 604 KB partial
47 Partially correct 17 ms 6876 KB partial
48 Partially correct 17 ms 6872 KB partial
49 Partially correct 15 ms 5980 KB partial
50 Partially correct 14 ms 5980 KB partial
51 Partially correct 19 ms 6356 KB partial
52 Partially correct 15 ms 5724 KB partial
53 Correct 22 ms 5724 KB ok
54 Partially correct 18 ms 5720 KB partial
55 Partially correct 16 ms 6916 KB partial
56 Partially correct 16 ms 6368 KB partial
57 Partially correct 18 ms 5712 KB partial
58 Partially correct 20 ms 5720 KB partial
59 Partially correct 20 ms 5772 KB partial
60 Partially correct 15 ms 5896 KB partial
61 Partially correct 14 ms 5976 KB partial
62 Partially correct 15 ms 5900 KB partial
63 Partially correct 15 ms 5724 KB partial
64 Partially correct 15 ms 5980 KB partial
65 Partially correct 288 ms 99676 KB partial
66 Partially correct 312 ms 103348 KB partial
67 Partially correct 280 ms 91072 KB partial
68 Partially correct 285 ms 84644 KB partial
69 Partially correct 313 ms 89224 KB partial
70 Partially correct 262 ms 91072 KB partial
71 Partially correct 261 ms 86928 KB partial
72 Partially correct 260 ms 87176 KB partial
73 Correct 452 ms 87120 KB ok
74 Correct 462 ms 86864 KB ok
75 Partially correct 262 ms 86868 KB partial
76 Partially correct 283 ms 103456 KB partial
77 Partially correct 300 ms 103096 KB partial
78 Partially correct 259 ms 91072 KB partial
79 Partially correct 307 ms 89028 KB partial
80 Partially correct 279 ms 89096 KB partial
81 Partially correct 263 ms 87952 KB partial
82 Partially correct 287 ms 89088 KB partial
83 Partially correct 314 ms 95164 KB partial
84 Partially correct 307 ms 86872 KB partial
85 Partially correct 284 ms 86868 KB partial
86 Partially correct 269 ms 86864 KB partial
87 Partially correct 309 ms 86868 KB partial
88 Partially correct 257 ms 86928 KB partial
89 Partially correct 256 ms 85844 KB partial
90 Partially correct 253 ms 87052 KB partial
91 Partially correct 281 ms 87308 KB partial
92 Partially correct 269 ms 91132 KB partial
93 Partially correct 296 ms 91072 KB partial
94 Partially correct 261 ms 91080 KB partial
95 Partially correct 291 ms 91072 KB partial
96 Partially correct 265 ms 91072 KB partial
97 Partially correct 279 ms 91076 KB partial
98 Partially correct 273 ms 89104 KB partial
99 Partially correct 279 ms 91076 KB partial
100 Partially correct 267 ms 87124 KB partial
101 Partially correct 272 ms 87124 KB partial
102 Partially correct 252 ms 86936 KB partial
103 Partially correct 252 ms 87120 KB partial
104 Partially correct 272 ms 87124 KB partial
105 Partially correct 258 ms 86928 KB partial
106 Partially correct 255 ms 87124 KB partial
107 Partially correct 266 ms 86936 KB partial
108 Partially correct 318 ms 103412 KB partial
109 Partially correct 311 ms 103416 KB partial