oj.uz

Submission #226880

# Submission time Handle Problem Language Result Execution time Memory
226880 2020-04-25T15:20:47 Z MetB Cop and Robber (BOI14_coprobber) C++14
100 / 100
 899 ms 10896 KB 
#include "coprobber.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
 
using namespace __gnu_pbds;
 
#define N 1000003
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
const ll INF = 1e18, MOD = 1e9 + 7, MOD2 = 1e6 + 3;

int d[500][500][2], dg[500][500][2], m, n;
int mv[500][500][2], gl, sm[500];
bool a[500][500];

bool is_n (int x, int y, int t, int i) {
	if (t) return a[x][i] || (x == i);
	return a[y][i];
}

int start (int v, bool A[][500]) {
	n = v;
	m = 2 * n * n;

	for (int i = 0; i < n; i++)
		for (int j = 0; j < n; j++)
			sm[i] += (int) A[i][j];
	memcpy (a, A, sizeof (a));

	for (int i = 0; i < n; i++)
		for (int j = 0; j < n; j++) {
			dg[i][j][0] = sm[i] + 1;
			dg[i][j][1] = sm[j];
			d[i][j][0] = d[i][j][1] = 2;
		}

	queue <tuple <int, int, int>> q;


	for (int i = 0; i < n; i++) {
		d[i][i][0] = 1, d[i][i][1] = 0;
		q.push ({i, i, 0}), q.push ({i, i, 1});
	}

	while (!q.empty ()) {
		auto s = q.front ();
		int x, y, t;
		tie (x, y, t) = s;
		q.pop ();
		for (int i = 0; i < n; i++) {
			if (is_n (x, y, t, i)) {
				int a = x, b = y, c = !t;
				if (t) a = i; else b = i;
				if (d[a][b][c] != 2) continue;
				if (!d[x][y][t]) {
					d[a][b][c] = 1, mv[a][b][c] = x;
					q.push ({a, b, c});
				} else {
					if (--dg[a][b][c] < 1) {
						d[a][b][c] = 0;
						q.push ({a, b, c});
					}
				}
			}
		}
	}

	for (int i = 0; i < n; i++) {
		int ok = 1;
		for (int j = 0; j < n; j++) {
			if (d[i][j][0] != 1) {
				ok = 0; break;
			}
		}
		if (ok) return gl = i;
	}
	return -1;
}

int nextMove (int x) {
	return gl = mv[gl][x][0];
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 356 ms 7928 KB Output is correct
5 Correct 55 ms 4088 KB Output is correct
6 Correct 367 ms 8056 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 768 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 331 ms 7864 KB Output is correct
4 Correct 364 ms 7928 KB Output is correct
5 Correct 310 ms 7704 KB Output is correct
6 Correct 357 ms 7800 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 5 ms 768 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 768 KB Output is correct
9 Correct 5 ms 896 KB Output is correct
10 Correct 7 ms 1792 KB Output is correct
11 Correct 9 ms 1920 KB Output is correct
12 Correct 5 ms 1024 KB Output is correct
13 Correct 6 ms 1536 KB Output is correct
14 Correct 8 ms 1792 KB Output is correct
15 Correct 6 ms 1280 KB Output is correct
16 Correct 6 ms 1280 KB Output is correct
17 Correct 14 ms 2176 KB Output is correct
18 Correct 6 ms 1792 KB Output is correct
19 Correct 5 ms 640 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 356 ms 7928 KB Output is correct
5 Correct 55 ms 4088 KB Output is correct
6 Correct 367 ms 8056 KB Output is correct
7 Correct 5 ms 768 KB Output is correct
8 Correct 5 ms 768 KB Output is correct
9 Correct 331 ms 7864 KB Output is correct
10 Correct 364 ms 7928 KB Output is correct
11 Correct 310 ms 7704 KB Output is correct
12 Correct 357 ms 7800 KB Output is correct
13 Correct 5 ms 640 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 640 KB Output is correct
16 Correct 5 ms 640 KB Output is correct
17 Correct 5 ms 768 KB Output is correct
18 Correct 5 ms 640 KB Output is correct
19 Correct 5 ms 640 KB Output is correct
20 Correct 5 ms 768 KB Output is correct
21 Correct 5 ms 896 KB Output is correct
22 Correct 7 ms 1792 KB Output is correct
23 Correct 9 ms 1920 KB Output is correct
24 Correct 5 ms 1024 KB Output is correct
25 Correct 6 ms 1536 KB Output is correct
26 Correct 8 ms 1792 KB Output is correct
27 Correct 6 ms 1280 KB Output is correct
28 Correct 6 ms 1280 KB Output is correct
29 Correct 14 ms 2176 KB Output is correct
30 Correct 6 ms 1792 KB Output is correct
31 Correct 5 ms 640 KB Output is correct
32 Correct 5 ms 640 KB Output is correct
33 Correct 5 ms 640 KB Output is correct
34 Correct 5 ms 640 KB Output is correct
35 Correct 365 ms 7928 KB Output is correct
36 Correct 57 ms 4088 KB Output is correct
37 Correct 376 ms 8056 KB Output is correct
38 Correct 5 ms 640 KB Output is correct
39 Correct 5 ms 768 KB Output is correct
40 Correct 340 ms 7884 KB Output is correct
41 Correct 369 ms 7932 KB Output is correct
42 Correct 315 ms 7704 KB Output is correct
43 Correct 358 ms 7800 KB Output is correct
44 Correct 5 ms 640 KB Output is correct
45 Correct 5 ms 640 KB Output is correct
46 Correct 5 ms 768 KB Output is correct
47 Correct 5 ms 896 KB Output is correct
48 Correct 7 ms 1792 KB Output is correct
49 Correct 8 ms 1920 KB Output is correct
50 Correct 5 ms 1024 KB Output is correct
51 Correct 6 ms 1536 KB Output is correct
52 Correct 8 ms 1792 KB Output is correct
53 Correct 7 ms 1280 KB Output is correct
54 Correct 8 ms 1280 KB Output is correct
55 Correct 13 ms 2176 KB Output is correct
56 Correct 6 ms 1792 KB Output is correct
57 Correct 10 ms 3072 KB Output is correct
58 Correct 25 ms 5504 KB Output is correct
59 Correct 38 ms 6784 KB Output is correct
60 Correct 771 ms 10896 KB Output is correct
61 Correct 112 ms 7032 KB Output is correct
62 Correct 119 ms 7592 KB Output is correct
63 Correct 801 ms 9656 KB Output is correct
64 Correct 115 ms 7288 KB Output is correct
65 Correct 899 ms 10612 KB Output is correct
66 Correct 361 ms 8316 KB Output is correct
67 Correct 656 ms 9612 KB Output is correct
68 Correct 287 ms 7116 KB Output is correct
69 Correct 5 ms 640 KB Output is correct