oj.uz

Submission #878976

# Submission time Handle Problem Language Result Execution time Memory
878976 2023-11-25T22:33:35 Z mahmoudbadawy Cave (IOI13_cave) C++17
100 / 100
 165 ms 604 KB 
#include "cave.h"

const int MX=5005;

int known[MX], state[MX], doors[MX];
int prev,n;

void ask()
{
	prev=tryCombination(state);
}

int find_key(int st,int en,int door)
{
	if(st==en) return st;
	int mid=(st+en)/2;
	int curp=prev;
	for(int i=st;i<=mid;i++)
	{
		if(!known[i]) state[i]^=1;
	}
	ask();
	if((curp==door)^(prev==door)) // Key in [st,mid]
		return find_key(st,mid,door);
	return find_key(mid+1,en,door);
}

void exploreCave(int N) {
	ask();
	n=N;
	for(int i=0;i<n;i++)
	{
		int key=find_key(0,n-1,i);
		if(prev==i)
		{
			state[key]^=1;
			ask();
		}
		known[key]=1;
		doors[key]=i;
	}
	answer(state,doors);
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 524 KB Output is correct
2 Correct 70 ms 528 KB Output is correct
3 Correct 106 ms 600 KB Output is correct
4 Correct 70 ms 532 KB Output is correct
5 Correct 111 ms 540 KB Output is correct
6 Correct 102 ms 348 KB Output is correct
7 Correct 117 ms 604 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 420 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 102 ms 540 KB Output is correct
13 Correct 102 ms 344 KB Output is correct
14 Correct 105 ms 344 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 544 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 102 ms 548 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 109 ms 552 KB Output is correct
7 Correct 107 ms 548 KB Output is correct
8 Correct 128 ms 432 KB Output is correct
9 Correct 137 ms 544 KB Output is correct
10 Correct 165 ms 344 KB Output is correct
11 Correct 115 ms 348 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 424 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 424 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 448 KB Output is correct
20 Correct 16 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 500 KB Output is correct
23 Correct 17 ms 504 KB Output is correct
24 Correct 17 ms 508 KB Output is correct
25 Correct 17 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 15 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 16 ms 504 KB Output is correct
31 Correct 16 ms 496 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 17 ms 500 KB Output is correct
36 Correct 18 ms 500 KB Output is correct
37 Correct 0 ms 348 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 524 KB Output is correct
2 Correct 70 ms 528 KB Output is correct
3 Correct 106 ms 600 KB Output is correct
4 Correct 70 ms 532 KB Output is correct
5 Correct 111 ms 540 KB Output is correct
6 Correct 102 ms 348 KB Output is correct
7 Correct 117 ms 604 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 420 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 102 ms 540 KB Output is correct
13 Correct 102 ms 344 KB Output is correct
14 Correct 105 ms 344 KB Output is correct
15 Correct 109 ms 544 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 102 ms 548 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 109 ms 552 KB Output is correct
21 Correct 107 ms 548 KB Output is correct
22 Correct 128 ms 432 KB Output is correct
23 Correct 137 ms 544 KB Output is correct
24 Correct 165 ms 344 KB Output is correct
25 Correct 115 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 424 KB Output is correct
40 Correct 0 ms 600 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 448 KB Output is correct
45 Correct 16 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 500 KB Output is correct
48 Correct 17 ms 504 KB Output is correct
49 Correct 17 ms 508 KB Output is correct
50 Correct 17 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 15 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 16 ms 504 KB Output is correct
56 Correct 16 ms 496 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 17 ms 500 KB Output is correct
61 Correct 18 ms 500 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 66 ms 348 KB Output is correct
64 Correct 70 ms 540 KB Output is correct
65 Correct 103 ms 348 KB Output is correct
66 Correct 70 ms 528 KB Output is correct
67 Correct 113 ms 604 KB Output is correct
68 Correct 109 ms 532 KB Output is correct
69 Correct 109 ms 344 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 102 ms 548 KB Output is correct
73 Correct 102 ms 544 KB Output is correct
74 Correct 111 ms 348 KB Output is correct
75 Correct 101 ms 544 KB Output is correct
76 Correct 0 ms 344 KB Output is correct
77 Correct 0 ms 344 KB Output is correct
78 Correct 116 ms 540 KB Output is correct
79 Correct 122 ms 528 KB Output is correct
80 Correct 120 ms 344 KB Output is correct
81 Correct 120 ms 452 KB Output is correct
82 Correct 120 ms 544 KB Output is correct
83 Correct 108 ms 348 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 16 ms 348 KB Output is correct
86 Correct 100 ms 344 KB Output is correct
87 Correct 0 ms 344 KB Output is correct
88 Correct 0 ms 348 KB Output is correct
89 Correct 17 ms 504 KB Output is correct
90 Correct 17 ms 348 KB Output is correct
91 Correct 17 ms 348 KB Output is correct
92 Correct 121 ms 348 KB Output is correct
93 Correct 122 ms 348 KB Output is correct
94 Correct 125 ms 544 KB Output is correct
95 Correct 0 ms 344 KB Output is correct
96 Correct 1 ms 424 KB Output is correct
97 Correct 101 ms 544 KB Output is correct
98 Correct 16 ms 500 KB Output is correct
99 Correct 101 ms 548 KB Output is correct
100 Correct 0 ms 344 KB Output is correct
101 Correct 17 ms 348 KB Output is correct
102 Correct 15 ms 348 KB Output is correct
103 Correct 114 ms 536 KB Output is correct
104 Correct 1 ms 348 KB Output is correct
105 Correct 0 ms 348 KB Output is correct
106 Correct 0 ms 348 KB Output is correct
107 Correct 17 ms 348 KB Output is correct
108 Correct 19 ms 344 KB Output is correct
109 Correct 121 ms 348 KB Output is correct
110 Correct 120 ms 348 KB Output is correct
111 Correct 0 ms 348 KB Output is correct