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Submission #519256

# Submission time Handle Problem Language Result Execution time Memory
519256 2022-01-26T06:14:46 Z Jomnoi Cave (IOI13_cave) C++17
100 / 100
 578 ms 696 KB 
#include <bits/stdc++.h>
#include "cave.h"
#define DEBUG 0
using namespace std;

const int MX = 5e3 + 10;

int S[MX], D[MX], res, res1;
bool up;
int l, r, pos;
vector <int> vec, tmp;

void exploreCave(int N) {    
    for(int i = 0; i < N; i++) {
        vec.push_back(i);
    }
    for(int i = 0; i < N; i++) {
        for(auto v : vec) {
            S[v] = 0;
        }

        res1 = tryCombination(S);
        up = (res1 == i);
        l = 0, r = vec.size() - 1, pos = -1;
        while(l <= r) {
            int mid = (l + r) / 2;

            for(int j = 0; j <= mid; j++) {
                S[vec[j]] = up;
            }
            for(int j = mid + 1; j < vec.size(); j++) {
                S[vec[j]] = up ^ 1;
            }

            if(tryCombination(S) == i) {
                l = mid + 1;
            }
            else {
                pos = mid;
                r = mid - 1;
            }
        }

        S[vec[pos]] = up;
        D[vec[pos]] = i;
        tmp.clear();
        for(int j = 0; j < pos; j++) {
            tmp.push_back(vec[j]);
        }
        for(int j = pos + 1; j < vec.size(); j++) {
            tmp.push_back(vec[j]);
        }
        vec = tmp;
    }
    answer(S, D);
}

Compilation message

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:31:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |             for(int j = mid + 1; j < vec.size(); j++) {
      |                                  ~~^~~~~~~~~~~~
cave.cpp:50:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |         for(int j = pos + 1; j < vec.size(); j++) {
      |                              ~~^~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 341 ms 420 KB Output is correct
2 Correct 368 ms 420 KB Output is correct
3 Correct 513 ms 572 KB Output is correct
4 Correct 346 ms 436 KB Output is correct
5 Correct 533 ms 572 KB Output is correct
6 Correct 513 ms 448 KB Output is correct
7 Correct 529 ms 440 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 508 ms 444 KB Output is correct
13 Correct 518 ms 696 KB Output is correct
14 Correct 506 ms 452 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 537 ms 448 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 553 ms 568 KB Output is correct
4 Correct 1 ms 304 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 541 ms 480 KB Output is correct
7 Correct 532 ms 484 KB Output is correct
8 Correct 540 ms 484 KB Output is correct
9 Correct 535 ms 588 KB Output is correct
10 Correct 544 ms 480 KB Output is correct
11 Correct 578 ms 596 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 276 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 276 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 79 ms 332 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 76 ms 332 KB Output is correct
24 Correct 79 ms 332 KB Output is correct
25 Correct 77 ms 372 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 76 ms 364 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 82 ms 368 KB Output is correct
31 Correct 85 ms 368 KB Output is correct
32 Correct 1 ms 308 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 78 ms 332 KB Output is correct
36 Correct 76 ms 368 KB Output is correct
37 Correct 1 ms 204 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 341 ms 420 KB Output is correct
2 Correct 368 ms 420 KB Output is correct
3 Correct 513 ms 572 KB Output is correct
4 Correct 346 ms 436 KB Output is correct
5 Correct 533 ms 572 KB Output is correct
6 Correct 513 ms 448 KB Output is correct
7 Correct 529 ms 440 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 508 ms 444 KB Output is correct
13 Correct 518 ms 696 KB Output is correct
14 Correct 506 ms 452 KB Output is correct
15 Correct 537 ms 448 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 553 ms 568 KB Output is correct
18 Correct 1 ms 304 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 541 ms 480 KB Output is correct
21 Correct 532 ms 484 KB Output is correct
22 Correct 540 ms 484 KB Output is correct
23 Correct 535 ms 588 KB Output is correct
24 Correct 544 ms 480 KB Output is correct
25 Correct 578 ms 596 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 0 ms 276 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 79 ms 332 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 76 ms 332 KB Output is correct
49 Correct 79 ms 332 KB Output is correct
50 Correct 77 ms 372 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 76 ms 364 KB Output is correct
54 Correct 1 ms 300 KB Output is correct
55 Correct 82 ms 368 KB Output is correct
56 Correct 85 ms 368 KB Output is correct
57 Correct 1 ms 308 KB Output is correct
58 Correct 1 ms 204 KB Output is correct
59 Correct 1 ms 204 KB Output is correct
60 Correct 78 ms 332 KB Output is correct
61 Correct 76 ms 368 KB Output is correct
62 Correct 1 ms 204 KB Output is correct
63 Correct 336 ms 692 KB Output is correct
64 Correct 341 ms 444 KB Output is correct
65 Correct 549 ms 472 KB Output is correct
66 Correct 342 ms 448 KB Output is correct
67 Correct 533 ms 604 KB Output is correct
68 Correct 507 ms 604 KB Output is correct
69 Correct 529 ms 468 KB Output is correct
70 Correct 0 ms 304 KB Output is correct
71 Correct 1 ms 204 KB Output is correct
72 Correct 505 ms 488 KB Output is correct
73 Correct 510 ms 488 KB Output is correct
74 Correct 498 ms 460 KB Output is correct
75 Correct 559 ms 480 KB Output is correct
76 Correct 0 ms 308 KB Output is correct
77 Correct 0 ms 308 KB Output is correct
78 Correct 532 ms 468 KB Output is correct
79 Correct 556 ms 480 KB Output is correct
80 Correct 511 ms 452 KB Output is correct
81 Correct 562 ms 480 KB Output is correct
82 Correct 541 ms 488 KB Output is correct
83 Correct 566 ms 600 KB Output is correct
84 Correct 1 ms 204 KB Output is correct
85 Correct 77 ms 384 KB Output is correct
86 Correct 553 ms 484 KB Output is correct
87 Correct 1 ms 204 KB Output is correct
88 Correct 1 ms 304 KB Output is correct
89 Correct 75 ms 364 KB Output is correct
90 Correct 75 ms 364 KB Output is correct
91 Correct 77 ms 368 KB Output is correct
92 Correct 548 ms 484 KB Output is correct
93 Correct 515 ms 584 KB Output is correct
94 Correct 562 ms 484 KB Output is correct
95 Correct 1 ms 296 KB Output is correct
96 Correct 1 ms 204 KB Output is correct
97 Correct 536 ms 480 KB Output is correct
98 Correct 77 ms 312 KB Output is correct
99 Correct 521 ms 576 KB Output is correct
100 Correct 1 ms 304 KB Output is correct
101 Correct 76 ms 372 KB Output is correct
102 Correct 82 ms 368 KB Output is correct
103 Correct 566 ms 600 KB Output is correct
104 Correct 1 ms 204 KB Output is correct
105 Correct 1 ms 304 KB Output is correct
106 Correct 1 ms 296 KB Output is correct
107 Correct 82 ms 364 KB Output is correct
108 Correct 82 ms 320 KB Output is correct
109 Correct 549 ms 480 KB Output is correct
110 Correct 559 ms 484 KB Output is correct
111 Correct 0 ms 304 KB Output is correct