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Submission #314870

# Submission time Handle Problem Language Result Execution time Memory
314870 2020-10-21T14:40:41 Z shafinalam Cave (IOI13_cave) C++14
100 / 100
 380 ms 632 KB 
#include "cave.h"
 
void exploreCave(int N)
{
    int S[N], D[N];
    for(int i = 0; i < N; i++)
    {
        S[i] = 0;
        D[i] = -1;
    }
    for(int i = 0; i < N; i++)
    {
        int last = tryCombination(S);
        int st = 0;
        if(last==i) st = 1;

        int lo = 0, hi = N-1, pos = -1;

        while(lo<=hi)
        {
            int mid = (lo+hi)>>1;
            for(int j = lo; j <= mid; j++) 
                if(D[j]==-1) S[j] = 1-S[j];
            int p = tryCombination(S);
            for(int j = lo; j <= mid; j++) 
                if(D[j]==-1) S[j] = 1-S[j];
            if(st)
            {
                if(p>i || p==-1) 
                {
                    pos = mid;
                    hi = mid-1;
                }
                else lo = mid+1;
            }
            else
            {
                if(p==i)
                {
                    pos = mid;
                    hi = mid-1;
                }
                else lo = mid+1;
            }
        }
        S[pos] = st;
        D[pos] = i;
    }
    answer(S, D);
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 159 ms 384 KB Output is correct
2 Correct 149 ms 384 KB Output is correct
3 Correct 231 ms 504 KB Output is correct
4 Correct 157 ms 512 KB Output is correct
5 Correct 313 ms 384 KB Output is correct
6 Correct 229 ms 384 KB Output is correct
7 Correct 311 ms 384 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 231 ms 384 KB Output is correct
13 Correct 231 ms 384 KB Output is correct
14 Correct 233 ms 384 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 313 ms 484 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 277 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 317 ms 468 KB Output is correct
7 Correct 240 ms 384 KB Output is correct
8 Correct 366 ms 504 KB Output is correct
9 Correct 374 ms 384 KB Output is correct
10 Correct 372 ms 384 KB Output is correct
11 Correct 238 ms 384 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 34 ms 384 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 45 ms 384 KB Output is correct
24 Correct 45 ms 384 KB Output is correct
25 Correct 45 ms 384 KB Output is correct
26 Correct 0 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 34 ms 384 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 35 ms 384 KB Output is correct
31 Correct 38 ms 384 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 44 ms 504 KB Output is correct
36 Correct 45 ms 384 KB Output is correct
37 Correct 0 ms 256 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 159 ms 384 KB Output is correct
2 Correct 149 ms 384 KB Output is correct
3 Correct 231 ms 504 KB Output is correct
4 Correct 157 ms 512 KB Output is correct
5 Correct 313 ms 384 KB Output is correct
6 Correct 229 ms 384 KB Output is correct
7 Correct 311 ms 384 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 231 ms 384 KB Output is correct
13 Correct 231 ms 384 KB Output is correct
14 Correct 233 ms 384 KB Output is correct
15 Correct 313 ms 484 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 277 ms 384 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 317 ms 468 KB Output is correct
21 Correct 240 ms 384 KB Output is correct
22 Correct 366 ms 504 KB Output is correct
23 Correct 374 ms 384 KB Output is correct
24 Correct 372 ms 384 KB Output is correct
25 Correct 238 ms 384 KB Output is correct
26 Correct 0 ms 256 KB Output is correct
27 Correct 0 ms 256 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 0 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 0 ms 256 KB Output is correct
37 Correct 1 ms 256 KB Output is correct
38 Correct 0 ms 256 KB Output is correct
39 Correct 0 ms 256 KB Output is correct
40 Correct 0 ms 256 KB Output is correct
41 Correct 0 ms 256 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 0 ms 256 KB Output is correct
44 Correct 0 ms 256 KB Output is correct
45 Correct 34 ms 384 KB Output is correct
46 Correct 0 ms 256 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 45 ms 384 KB Output is correct
49 Correct 45 ms 384 KB Output is correct
50 Correct 45 ms 384 KB Output is correct
51 Correct 0 ms 256 KB Output is correct
52 Correct 1 ms 256 KB Output is correct
53 Correct 34 ms 384 KB Output is correct
54 Correct 1 ms 256 KB Output is correct
55 Correct 35 ms 384 KB Output is correct
56 Correct 38 ms 384 KB Output is correct
57 Correct 1 ms 256 KB Output is correct
58 Correct 1 ms 256 KB Output is correct
59 Correct 1 ms 256 KB Output is correct
60 Correct 44 ms 504 KB Output is correct
61 Correct 45 ms 384 KB Output is correct
62 Correct 0 ms 256 KB Output is correct
63 Correct 149 ms 452 KB Output is correct
64 Correct 155 ms 632 KB Output is correct
65 Correct 233 ms 384 KB Output is correct
66 Correct 156 ms 384 KB Output is correct
67 Correct 320 ms 472 KB Output is correct
68 Correct 223 ms 384 KB Output is correct
69 Correct 366 ms 468 KB Output is correct
70 Correct 0 ms 256 KB Output is correct
71 Correct 0 ms 256 KB Output is correct
72 Correct 224 ms 384 KB Output is correct
73 Correct 227 ms 384 KB Output is correct
74 Correct 225 ms 384 KB Output is correct
75 Correct 271 ms 384 KB Output is correct
76 Correct 0 ms 256 KB Output is correct
77 Correct 1 ms 256 KB Output is correct
78 Correct 312 ms 384 KB Output is correct
79 Correct 238 ms 384 KB Output is correct
80 Correct 380 ms 504 KB Output is correct
81 Correct 364 ms 384 KB Output is correct
82 Correct 366 ms 384 KB Output is correct
83 Correct 239 ms 384 KB Output is correct
84 Correct 1 ms 256 KB Output is correct
85 Correct 34 ms 384 KB Output is correct
86 Correct 219 ms 504 KB Output is correct
87 Correct 1 ms 256 KB Output is correct
88 Correct 1 ms 256 KB Output is correct
89 Correct 45 ms 384 KB Output is correct
90 Correct 45 ms 384 KB Output is correct
91 Correct 45 ms 384 KB Output is correct
92 Correct 340 ms 384 KB Output is correct
93 Correct 338 ms 384 KB Output is correct
94 Correct 332 ms 384 KB Output is correct
95 Correct 1 ms 256 KB Output is correct
96 Correct 1 ms 256 KB Output is correct
97 Correct 229 ms 504 KB Output is correct
98 Correct 35 ms 384 KB Output is correct
99 Correct 224 ms 384 KB Output is correct
100 Correct 1 ms 256 KB Output is correct
101 Correct 36 ms 384 KB Output is correct
102 Correct 33 ms 384 KB Output is correct
103 Correct 219 ms 384 KB Output is correct
104 Correct 1 ms 256 KB Output is correct
105 Correct 1 ms 256 KB Output is correct
106 Correct 1 ms 256 KB Output is correct
107 Correct 45 ms 384 KB Output is correct
108 Correct 45 ms 384 KB Output is correct
109 Correct 327 ms 384 KB Output is correct
110 Correct 335 ms 508 KB Output is correct
111 Correct 0 ms 256 KB Output is correct