Submission #489337

# Submission time Handle Problem Language Result Execution time Memory
489337 2021-11-22T14:20:49 Z Drew_ Game (IOI14_game) C++17
100 / 100
377 ms 19712 KB
#include "game.h"
#include <bits/stdc++.h>
using namespace std;

#define ii pair<int, int>

constexpr int MAX = 1569;

int n;
int ds[MAX];
int ctr[MAX][MAX];

inline int frep(int x) { return ds[x] == x ? x : ds[x] = frep(ds[x]); }
inline void join(int x, int y)
{
	x = frep(x); y = frep(y);
	if (x == y)
		return;

	for (int i = 0; i < n; ++i)
	{
		if (i == x || i == y)
			continue;

		ctr[i][x] += ctr[i][y];
		ctr[x][i] += ctr[y][i];
	}
	ds[y] = x;
}

void initialize(int N) {
	n = N;

	for (int i = 0; i < n; ++i)
		ds[i] = i;

	for (int i = 0; i < n; ++i)
		for (int j = 0; j < n; ++j)
			ctr[i][j] = 1;
}


int hasEdge(int u, int v) {
	u = frep(u); v = frep(v);

	if (ctr[u][v] > 1)
	{
		ctr[u][v]--; ctr[v][u]--;
		return 0;
	}

	join(u, v);
	return 1;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 296 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 300 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 300 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 432 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 588 KB Output is correct
35 Correct 1 ms 696 KB Output is correct
36 Correct 1 ms 588 KB Output is correct
37 Correct 1 ms 588 KB Output is correct
38 Correct 1 ms 588 KB Output is correct
39 Correct 1 ms 588 KB Output is correct
40 Correct 1 ms 588 KB Output is correct
41 Correct 1 ms 588 KB Output is correct
42 Correct 1 ms 588 KB Output is correct
43 Correct 1 ms 588 KB Output is correct
44 Correct 1 ms 588 KB Output is correct
45 Correct 1 ms 588 KB Output is correct
46 Correct 1 ms 692 KB Output is correct
47 Correct 2 ms 700 KB Output is correct
48 Correct 1 ms 700 KB Output is correct
49 Correct 1 ms 692 KB Output is correct
50 Correct 1 ms 588 KB Output is correct
51 Correct 1 ms 588 KB Output is correct
52 Correct 1 ms 588 KB Output is correct
53 Correct 1 ms 700 KB Output is correct
54 Correct 1 ms 696 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 296 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 304 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 424 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 460 KB Output is correct
34 Correct 1 ms 588 KB Output is correct
35 Correct 1 ms 588 KB Output is correct
36 Correct 1 ms 588 KB Output is correct
37 Correct 1 ms 588 KB Output is correct
38 Correct 2 ms 588 KB Output is correct
39 Correct 1 ms 588 KB Output is correct
40 Correct 1 ms 588 KB Output is correct
41 Correct 1 ms 588 KB Output is correct
42 Correct 1 ms 696 KB Output is correct
43 Correct 1 ms 588 KB Output is correct
44 Correct 1 ms 692 KB Output is correct
45 Correct 1 ms 696 KB Output is correct
46 Correct 1 ms 588 KB Output is correct
47 Correct 1 ms 588 KB Output is correct
48 Correct 1 ms 588 KB Output is correct
49 Correct 2 ms 700 KB Output is correct
50 Correct 2 ms 588 KB Output is correct
51 Correct 1 ms 588 KB Output is correct
52 Correct 1 ms 588 KB Output is correct
53 Correct 1 ms 588 KB Output is correct
54 Correct 1 ms 588 KB Output is correct
55 Correct 38 ms 4912 KB Output is correct
56 Correct 32 ms 4908 KB Output is correct
57 Correct 34 ms 4932 KB Output is correct
58 Correct 35 ms 4904 KB Output is correct
59 Correct 35 ms 4996 KB Output is correct
60 Correct 35 ms 4932 KB Output is correct
61 Correct 33 ms 4932 KB Output is correct
62 Correct 32 ms 4912 KB Output is correct
63 Correct 33 ms 4972 KB Output is correct
64 Correct 34 ms 4992 KB Output is correct
65 Correct 32 ms 4912 KB Output is correct
66 Correct 46 ms 4948 KB Output is correct
67 Correct 35 ms 4988 KB Output is correct
68 Correct 34 ms 4984 KB Output is correct
69 Correct 33 ms 4916 KB Output is correct
70 Correct 33 ms 4904 KB Output is correct
71 Correct 35 ms 5000 KB Output is correct
72 Correct 33 ms 4932 KB Output is correct
73 Correct 31 ms 4992 KB Output is correct
74 Correct 33 ms 4920 KB Output is correct
75 Correct 33 ms 4932 KB Output is correct
76 Correct 76 ms 8700 KB Output is correct
77 Correct 82 ms 8708 KB Output is correct
78 Correct 82 ms 8816 KB Output is correct
79 Correct 81 ms 8740 KB Output is correct
80 Correct 78 ms 8744 KB Output is correct
81 Correct 76 ms 8772 KB Output is correct
82 Correct 78 ms 8696 KB Output is correct
83 Correct 76 ms 8752 KB Output is correct
84 Correct 75 ms 8804 KB Output is correct
85 Correct 140 ms 11588 KB Output is correct
86 Correct 143 ms 11620 KB Output is correct
87 Correct 151 ms 11532 KB Output is correct
88 Correct 139 ms 11540 KB Output is correct
89 Correct 151 ms 11560 KB Output is correct
90 Correct 148 ms 11636 KB Output is correct
91 Correct 181 ms 11776 KB Output is correct
92 Correct 141 ms 11588 KB Output is correct
93 Correct 142 ms 11716 KB Output is correct
94 Correct 332 ms 19636 KB Output is correct
95 Correct 362 ms 19536 KB Output is correct
96 Correct 377 ms 19616 KB Output is correct
97 Correct 344 ms 19708 KB Output is correct
98 Correct 357 ms 19712 KB Output is correct
99 Correct 346 ms 19696 KB Output is correct
100 Correct 324 ms 19544 KB Output is correct