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Submission #738657

# Submission time Handle Problem Language Result Execution time Memory
738657 2023-05-09T10:39:24 Z BidoTeima Cave (IOI13_cave) C++17
100 / 100
 790 ms 972 KB 
#include "cave.h"
#include <bits/stdc++.h>
int n;
int pos[5000];
int door[5000];
int dnc(int l, int r, bool b, int target){
    if(l == r)
        return l;
    int mid = (l + r) >> 1;
    // first check if it's in [l, mid]
    int s[n];
    for(int i = 0; i < n; i++){
        if(pos[i] != -1){
            s[i] = pos[i];
        }
        else if(l <= i && i <= mid){
            s[i] = b;
        }
        else{
            s[i] = !b;
        }
    }
    int res = tryCombination(s);
    if(res <= target && res != -1){
        return dnc(mid + 1, r, b, target);
    }
    return dnc(l, mid, b, target);
}
void exploreCave(int N) {
    n = N;
    memset(pos, -1, sizeof(pos));
    for(int i = 0; i < n; i++){
        int s[n];
        for(int j = 0; j < n; j++){
            if(pos[j] != -1)s[j] = pos[j];
            else s[j] = 0;
        }
        int res = tryCombination(s);
        bool b = 0;
        if(res <= i && res != -1){
            b = 1;
        }
        int sw = dnc(0, n-1, b, i);
        pos[sw] = b;
        door[sw] = i;
    }
    answer(pos, door);
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 243 ms 604 KB Output is correct
2 Correct 231 ms 612 KB Output is correct
3 Correct 391 ms 680 KB Output is correct
4 Correct 248 ms 596 KB Output is correct
5 Correct 377 ms 700 KB Output is correct
6 Correct 365 ms 668 KB Output is correct
7 Correct 381 ms 700 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 367 ms 684 KB Output is correct
13 Correct 366 ms 716 KB Output is correct
14 Correct 359 ms 928 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 390 ms 680 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 373 ms 672 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 417 ms 668 KB Output is correct
7 Correct 409 ms 716 KB Output is correct
8 Correct 777 ms 696 KB Output is correct
9 Correct 790 ms 692 KB Output is correct
10 Correct 769 ms 684 KB Output is correct
11 Correct 332 ms 804 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 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 1 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 288 KB Output is correct
9 Correct 1 ms 308 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 340 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 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 1 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 288 KB Output is correct
9 Correct 1 ms 308 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 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 312 KB Output is correct
20 Correct 59 ms 448 KB Output is correct
21 Correct 1 ms 304 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 96 ms 468 KB Output is correct
24 Correct 94 ms 460 KB Output is correct
25 Correct 97 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 58 ms 468 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 60 ms 460 KB Output is correct
31 Correct 58 ms 468 KB Output is correct
32 Correct 1 ms 308 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 95 ms 468 KB Output is correct
36 Correct 95 ms 340 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 243 ms 604 KB Output is correct
2 Correct 231 ms 612 KB Output is correct
3 Correct 391 ms 680 KB Output is correct
4 Correct 248 ms 596 KB Output is correct
5 Correct 377 ms 700 KB Output is correct
6 Correct 365 ms 668 KB Output is correct
7 Correct 381 ms 700 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 367 ms 684 KB Output is correct
13 Correct 366 ms 716 KB Output is correct
14 Correct 359 ms 928 KB Output is correct
15 Correct 390 ms 680 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 373 ms 672 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 304 KB Output is correct
20 Correct 417 ms 668 KB Output is correct
21 Correct 409 ms 716 KB Output is correct
22 Correct 777 ms 696 KB Output is correct
23 Correct 790 ms 692 KB Output is correct
24 Correct 769 ms 684 KB Output is correct
25 Correct 332 ms 804 KB Output is correct
26 Correct 1 ms 304 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 1 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 288 KB Output is correct
34 Correct 1 ms 308 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 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 312 KB Output is correct
45 Correct 59 ms 448 KB Output is correct
46 Correct 1 ms 304 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 96 ms 468 KB Output is correct
49 Correct 94 ms 460 KB Output is correct
50 Correct 97 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 58 ms 468 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 60 ms 460 KB Output is correct
56 Correct 58 ms 468 KB Output is correct
57 Correct 1 ms 308 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 95 ms 468 KB Output is correct
61 Correct 95 ms 340 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 252 ms 616 KB Output is correct
64 Correct 258 ms 596 KB Output is correct
65 Correct 383 ms 688 KB Output is correct
66 Correct 243 ms 716 KB Output is correct
67 Correct 366 ms 676 KB Output is correct
68 Correct 380 ms 844 KB Output is correct
69 Correct 375 ms 804 KB Output is correct
70 Correct 1 ms 304 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 378 ms 668 KB Output is correct
73 Correct 358 ms 804 KB Output is correct
74 Correct 381 ms 680 KB Output is correct
75 Correct 374 ms 684 KB Output is correct
76 Correct 1 ms 276 KB Output is correct
77 Correct 0 ms 340 KB Output is correct
78 Correct 408 ms 684 KB Output is correct
79 Correct 417 ms 972 KB Output is correct
80 Correct 784 ms 684 KB Output is correct
81 Correct 761 ms 716 KB Output is correct
82 Correct 769 ms 684 KB Output is correct
83 Correct 334 ms 848 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 54 ms 468 KB Output is correct
86 Correct 324 ms 668 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 95 ms 468 KB Output is correct
90 Correct 94 ms 448 KB Output is correct
91 Correct 95 ms 468 KB Output is correct
92 Correct 764 ms 596 KB Output is correct
93 Correct 764 ms 680 KB Output is correct
94 Correct 774 ms 716 KB Output is correct
95 Correct 1 ms 340 KB Output is correct
96 Correct 1 ms 312 KB Output is correct
97 Correct 366 ms 680 KB Output is correct
98 Correct 57 ms 456 KB Output is correct
99 Correct 395 ms 676 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 59 ms 468 KB Output is correct
102 Correct 58 ms 448 KB Output is correct
103 Correct 340 ms 696 KB Output is correct
104 Correct 1 ms 340 KB Output is correct
105 Correct 1 ms 308 KB Output is correct
106 Correct 1 ms 340 KB Output is correct
107 Correct 96 ms 452 KB Output is correct
108 Correct 97 ms 448 KB Output is correct
109 Correct 757 ms 716 KB Output is correct
110 Correct 758 ms 684 KB Output is correct
111 Correct 1 ms 464 KB Output is correct