# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
315523 |
2020-10-23T03:18:09 Z |
qpwoeirut |
Game (IOI14_game) |
C++17 |
|
532 ms |
25336 KB |
#include <bits/stdc++.h>
#include "game.h"
const int MN = 1501;
using namespace std;
int N;
int rt[MN];
int sz[MN];
int root(int u) {
if (rt[u] != u) {
rt[u] = root(rt[u]);
}
return rt[u];
}
int ct[MN][MN];
void join(int u, int v) {
int ru = root(u), rv = root(v);
if (sz[ru] < sz[rv]) {
swap(ru, rv);
}
for (int i=0; i<N; ++i) {
//if (root(i) == i)
ct[ru][i] += ct[rv][i];
ct[i][ru] = ct[ru][i];
}
rt[rv] = ru;
sz[ru] += sz[rv];
//cerr << "ru,rv: " << ru << ' ' << root(rv) << endl;
}
void initialize(int n) {
N = n;
for (int i=0; i<N; ++i) {
for (int j=0; j<N; ++j) {
ct[i][j] = 0;
}
rt[i] = i;
sz[i] = 1;
}
}
int hasEdge(int u, int v) {
int ru = root(u), rv = root(v);
++ct[ru][rv];
ct[rv][ru] = ct[ru][rv];
int ret = 0;
if (ct[ru][rv] == sz[ru] * sz[rv] && ct[rv][ru] == sz[ru] * sz[rv]) {
join(u, v);
//cerr << "ru,rv: " << root(u) << ' ' << root(v) << endl;
//cerr << "joined u,v: " << u << ' ' << v << endl;
ret = 1;
}
//cerr << "u,v: " << u << ' ' << v << ' ' << endl << "ru,rv,su,sv,ctu,ctv: " << ru << ' ' << rv << ' ' << sz[ru] << ' ' << sz[rv] << ' ' << ct[ru][rv] << ' ' << ct[rv][ru] << endl;
//for (int i=0; i<N; ++i) { cerr << root(i) << ' '; } cerr << endl;
//for (int i=0; i<N; ++i) {for (int j=0; j<N; ++j) cerr << ((root(i) == i && root(j) == j) ? ct[i][j] : 0) << ' '; cerr << endl;} cerr << endl;
return ret;
}
/*
4
2 3
1 3
0 2
0 1
1 2
0 3
5
0 1
0 2
0 3
1 4
2 4
3 4
0 4
1 2
1 3
2 3
5
0 1
0 2
0 3
0 4
1 2
1 3
1 4
3 4
2 3
2 4
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
288 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
288 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
1 ms |
512 KB |
Output is correct |
27 |
Correct |
1 ms |
512 KB |
Output is correct |
28 |
Correct |
1 ms |
512 KB |
Output is correct |
29 |
Correct |
1 ms |
512 KB |
Output is correct |
30 |
Correct |
1 ms |
512 KB |
Output is correct |
31 |
Correct |
1 ms |
512 KB |
Output is correct |
32 |
Correct |
1 ms |
512 KB |
Output is correct |
33 |
Correct |
1 ms |
512 KB |
Output is correct |
34 |
Correct |
2 ms |
768 KB |
Output is correct |
35 |
Correct |
2 ms |
768 KB |
Output is correct |
36 |
Correct |
2 ms |
768 KB |
Output is correct |
37 |
Correct |
2 ms |
768 KB |
Output is correct |
38 |
Correct |
2 ms |
768 KB |
Output is correct |
39 |
Correct |
2 ms |
768 KB |
Output is correct |
40 |
Correct |
2 ms |
768 KB |
Output is correct |
41 |
Correct |
2 ms |
768 KB |
Output is correct |
42 |
Correct |
2 ms |
768 KB |
Output is correct |
43 |
Correct |
2 ms |
768 KB |
Output is correct |
44 |
Correct |
2 ms |
768 KB |
Output is correct |
45 |
Correct |
2 ms |
768 KB |
Output is correct |
46 |
Correct |
2 ms |
768 KB |
Output is correct |
47 |
Correct |
2 ms |
768 KB |
Output is correct |
48 |
Correct |
2 ms |
768 KB |
Output is correct |
49 |
Correct |
2 ms |
768 KB |
Output is correct |
50 |
Correct |
2 ms |
768 KB |
Output is correct |
51 |
Correct |
2 ms |
768 KB |
Output is correct |
52 |
Correct |
2 ms |
768 KB |
Output is correct |
53 |
Correct |
2 ms |
768 KB |
Output is correct |
54 |
Correct |
2 ms |
768 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
1 ms |
512 KB |
Output is correct |
27 |
Correct |
1 ms |
512 KB |
Output is correct |
28 |
Correct |
1 ms |
512 KB |
Output is correct |
29 |
Correct |
1 ms |
512 KB |
Output is correct |
30 |
Correct |
1 ms |
512 KB |
Output is correct |
31 |
Correct |
1 ms |
512 KB |
Output is correct |
32 |
Correct |
1 ms |
512 KB |
Output is correct |
33 |
Correct |
1 ms |
512 KB |
Output is correct |
34 |
Correct |
2 ms |
768 KB |
Output is correct |
35 |
Correct |
2 ms |
768 KB |
Output is correct |
36 |
Correct |
3 ms |
768 KB |
Output is correct |
37 |
Correct |
2 ms |
768 KB |
Output is correct |
38 |
Correct |
2 ms |
768 KB |
Output is correct |
39 |
Correct |
2 ms |
768 KB |
Output is correct |
40 |
Correct |
2 ms |
768 KB |
Output is correct |
41 |
Correct |
2 ms |
768 KB |
Output is correct |
42 |
Correct |
2 ms |
768 KB |
Output is correct |
43 |
Correct |
2 ms |
768 KB |
Output is correct |
44 |
Correct |
2 ms |
768 KB |
Output is correct |
45 |
Correct |
2 ms |
768 KB |
Output is correct |
46 |
Correct |
2 ms |
768 KB |
Output is correct |
47 |
Correct |
2 ms |
768 KB |
Output is correct |
48 |
Correct |
2 ms |
768 KB |
Output is correct |
49 |
Correct |
2 ms |
768 KB |
Output is correct |
50 |
Correct |
2 ms |
768 KB |
Output is correct |
51 |
Correct |
3 ms |
780 KB |
Output is correct |
52 |
Correct |
2 ms |
768 KB |
Output is correct |
53 |
Correct |
2 ms |
768 KB |
Output is correct |
54 |
Correct |
2 ms |
768 KB |
Output is correct |
55 |
Correct |
53 ms |
5112 KB |
Output is correct |
56 |
Correct |
53 ms |
5112 KB |
Output is correct |
57 |
Correct |
53 ms |
5240 KB |
Output is correct |
58 |
Correct |
55 ms |
5112 KB |
Output is correct |
59 |
Correct |
53 ms |
5112 KB |
Output is correct |
60 |
Correct |
52 ms |
5112 KB |
Output is correct |
61 |
Correct |
52 ms |
5112 KB |
Output is correct |
62 |
Correct |
53 ms |
5112 KB |
Output is correct |
63 |
Correct |
52 ms |
5112 KB |
Output is correct |
64 |
Correct |
50 ms |
5112 KB |
Output is correct |
65 |
Correct |
49 ms |
5112 KB |
Output is correct |
66 |
Correct |
54 ms |
5112 KB |
Output is correct |
67 |
Correct |
53 ms |
5112 KB |
Output is correct |
68 |
Correct |
53 ms |
5076 KB |
Output is correct |
69 |
Correct |
52 ms |
5112 KB |
Output is correct |
70 |
Correct |
52 ms |
5112 KB |
Output is correct |
71 |
Correct |
51 ms |
5112 KB |
Output is correct |
72 |
Correct |
54 ms |
5112 KB |
Output is correct |
73 |
Correct |
52 ms |
5112 KB |
Output is correct |
74 |
Correct |
51 ms |
5112 KB |
Output is correct |
75 |
Correct |
51 ms |
5112 KB |
Output is correct |
76 |
Correct |
120 ms |
8952 KB |
Output is correct |
77 |
Correct |
119 ms |
8952 KB |
Output is correct |
78 |
Correct |
125 ms |
8964 KB |
Output is correct |
79 |
Correct |
127 ms |
8952 KB |
Output is correct |
80 |
Correct |
121 ms |
8952 KB |
Output is correct |
81 |
Correct |
128 ms |
8952 KB |
Output is correct |
82 |
Correct |
121 ms |
8952 KB |
Output is correct |
83 |
Correct |
121 ms |
9108 KB |
Output is correct |
84 |
Correct |
121 ms |
8952 KB |
Output is correct |
85 |
Correct |
216 ms |
13432 KB |
Output is correct |
86 |
Correct |
220 ms |
13432 KB |
Output is correct |
87 |
Correct |
220 ms |
13432 KB |
Output is correct |
88 |
Correct |
221 ms |
13432 KB |
Output is correct |
89 |
Correct |
220 ms |
13432 KB |
Output is correct |
90 |
Correct |
224 ms |
13532 KB |
Output is correct |
91 |
Correct |
220 ms |
13432 KB |
Output is correct |
92 |
Correct |
216 ms |
13432 KB |
Output is correct |
93 |
Correct |
220 ms |
13432 KB |
Output is correct |
94 |
Correct |
532 ms |
25208 KB |
Output is correct |
95 |
Correct |
517 ms |
25208 KB |
Output is correct |
96 |
Correct |
511 ms |
25208 KB |
Output is correct |
97 |
Correct |
510 ms |
25208 KB |
Output is correct |
98 |
Correct |
512 ms |
25260 KB |
Output is correct |
99 |
Correct |
525 ms |
25208 KB |
Output is correct |
100 |
Correct |
511 ms |
25336 KB |
Output is correct |