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Submission #663344

# Submission time Handle Problem Language Result Execution time Memory
663344 2022-11-26T18:43:42 Z Alma Cave (IOI13_cave) C++17
100 / 100
 832 ms 692 KB 
#include <bits/stdc++.h>
#include "cave.h"
using namespace std;

const int MX = 5000;
int S[MX], D[MX], A[MX], idx[MX];

void exploreCave(int N) {
    memset(S, 0, sizeof S);
    memset(D, -1, sizeof D);

    for (int n = 0; n < N; n++) {

        for (int i = 0; i < N; i++) {
            if (D[i] != -1) {
                A[i] = idx[D[i]];
            } else {
                A[i] = 1;
            }
        }

        int ret = tryCombination(A);
        int target;
        if (ret == n) {
            target = 0;
        } else {
            target = 1;
        } 

        int lo = 0, mid, res = -1, hi = N-1;
        while (lo <= hi) {

            mid = (lo+hi) / 2;
            for (int i = 0; i < N; i++) {
                if (D[i] != -1) continue;
                if (i <= mid) {
                    A[i] = target;
                } else {
                    A[i] = 1 - target;
                }
            }

            ret = tryCombination(A);
            if (ret == n) {
                lo = mid+1;
            } else {
                res = mid;
                hi = mid-1;
            }
        }

        idx[n] = target;
        S[res] = target;
        D[res] = n;
    }

    answer(S, D);
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 228 ms 404 KB Output is correct
2 Correct 226 ms 404 KB Output is correct
3 Correct 357 ms 416 KB Output is correct
4 Correct 238 ms 536 KB Output is correct
5 Correct 346 ms 464 KB Output is correct
6 Correct 338 ms 408 KB Output is correct
7 Correct 347 ms 408 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 348 ms 524 KB Output is correct
13 Correct 345 ms 460 KB Output is correct
14 Correct 343 ms 532 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 351 ms 408 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 369 ms 532 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 346 ms 416 KB Output is correct
7 Correct 377 ms 412 KB Output is correct
8 Correct 811 ms 532 KB Output is correct
9 Correct 818 ms 532 KB Output is correct
10 Correct 808 ms 412 KB Output is correct
11 Correct 384 ms 524 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 300 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 50 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 103 ms 392 KB Output is correct
24 Correct 101 ms 388 KB Output is correct
25 Correct 99 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 50 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 50 ms 340 KB Output is correct
31 Correct 50 ms 404 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 100 ms 340 KB Output is correct
36 Correct 101 ms 460 KB Output is correct
37 Correct 1 ms 340 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 228 ms 404 KB Output is correct
2 Correct 226 ms 404 KB Output is correct
3 Correct 357 ms 416 KB Output is correct
4 Correct 238 ms 536 KB Output is correct
5 Correct 346 ms 464 KB Output is correct
6 Correct 338 ms 408 KB Output is correct
7 Correct 347 ms 408 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 348 ms 524 KB Output is correct
13 Correct 345 ms 460 KB Output is correct
14 Correct 343 ms 532 KB Output is correct
15 Correct 351 ms 408 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 369 ms 532 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 346 ms 416 KB Output is correct
21 Correct 377 ms 412 KB Output is correct
22 Correct 811 ms 532 KB Output is correct
23 Correct 818 ms 532 KB Output is correct
24 Correct 808 ms 412 KB Output is correct
25 Correct 384 ms 524 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 304 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 300 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 300 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 50 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 103 ms 392 KB Output is correct
49 Correct 101 ms 388 KB Output is correct
50 Correct 99 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 50 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 50 ms 340 KB Output is correct
56 Correct 50 ms 404 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 100 ms 340 KB Output is correct
61 Correct 101 ms 460 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 226 ms 424 KB Output is correct
64 Correct 229 ms 448 KB Output is correct
65 Correct 355 ms 340 KB Output is correct
66 Correct 238 ms 440 KB Output is correct
67 Correct 356 ms 692 KB Output is correct
68 Correct 341 ms 460 KB Output is correct
69 Correct 348 ms 564 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 0 ms 304 KB Output is correct
72 Correct 344 ms 444 KB Output is correct
73 Correct 368 ms 572 KB Output is correct
74 Correct 346 ms 448 KB Output is correct
75 Correct 390 ms 444 KB Output is correct
76 Correct 0 ms 340 KB Output is correct
77 Correct 0 ms 340 KB Output is correct
78 Correct 345 ms 444 KB Output is correct
79 Correct 384 ms 448 KB Output is correct
80 Correct 815 ms 456 KB Output is correct
81 Correct 810 ms 448 KB Output is correct
82 Correct 820 ms 448 KB Output is correct
83 Correct 382 ms 448 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 51 ms 468 KB Output is correct
86 Correct 346 ms 448 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 102 ms 312 KB Output is correct
90 Correct 100 ms 384 KB Output is correct
91 Correct 101 ms 388 KB Output is correct
92 Correct 826 ms 568 KB Output is correct
93 Correct 816 ms 692 KB Output is correct
94 Correct 818 ms 444 KB Output is correct
95 Correct 1 ms 340 KB Output is correct
96 Correct 1 ms 340 KB Output is correct
97 Correct 357 ms 444 KB Output is correct
98 Correct 51 ms 388 KB Output is correct
99 Correct 348 ms 448 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 62 ms 388 KB Output is correct
102 Correct 52 ms 340 KB Output is correct
103 Correct 369 ms 436 KB Output is correct
104 Correct 1 ms 340 KB Output is correct
105 Correct 1 ms 340 KB Output is correct
106 Correct 1 ms 340 KB Output is correct
107 Correct 100 ms 392 KB Output is correct
108 Correct 100 ms 392 KB Output is correct
109 Correct 827 ms 340 KB Output is correct
110 Correct 832 ms 584 KB Output is correct
111 Correct 1 ms 340 KB Output is correct