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Submission #716707

# Submission time Handle Problem Language Result Execution time Memory
716707 2023-03-30T21:44:36 Z aykhn Cave (IOI13_cave) C++14
100 / 100
 242 ms 584 KB 
#include <bits/stdc++.h>
#include "cave.h"

using namespace std;

typedef long long ll;

#define OPT ios_base::sync_with_stdio(0); \
            cin.tie(0); \
            cout.tie(0)

#define pii pair<int,int>
#define pll pair<ll,ll>
#define endl "\n"
#define all(v) v.begin(), v.end()
#define mpr make_pair
#define pb push_back
#define ts to_string
#define fi first
#define se second
#define inf 0x3F3F3F3F
#define bpc __builtin_popcount
#define print(v) for(int i = 0; i < v.size(); i++) cout << v[i] << " "; cout<<endl;

void exploreCave(int N)
{
    int open[N];
    int ans[N];
    int used[N];

    for (int i = 0; i < N; i++)
    {
        open[i] = 0;
        used[i] = -1;
    }

    for (int i = 0; i < N; i++)
    {
        int l = 0;
        int r = N - 1;
        int pans = tryCombination(open);

        while (l < r)
        {
            int mid = (l + r) >> 1;

            for (int j = l; j <= mid; j++)
            {
                if (used[j] != -1) continue;

                open[j] = 1 - open[j];
            }
            int ans = tryCombination(open);
            for (int j = l; j <= mid; j++)
            {
                if (used[j] != -1) continue;

                open[j] = 1 - open[j];
            }

            if (pans == -1)
            {
                if (ans != i) l = mid + 1;
                else r = mid;
            }
            else if (pans == i)
            {
                if (ans != pans || ans == -1) r = mid;
                else l = mid + 1;
            }
            else
            {
                if (ans == i) r = mid;
                else l = mid + 1;
            }
        }
        used[l] = i;

        if (pans == i) open[l] = 1;
        else open[l] = 0;
    }

    answer(open, used);
}

Compilation message

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:28:9: warning: unused variable 'ans' [-Wunused-variable]
   28 |     int ans[N];
      |         ^~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 360 KB Output is correct
2 Correct 87 ms 388 KB Output is correct
3 Correct 138 ms 416 KB Output is correct
4 Correct 93 ms 584 KB Output is correct
5 Correct 172 ms 408 KB Output is correct
6 Correct 127 ms 424 KB Output is correct
7 Correct 171 ms 404 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 0 ms 300 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 150 ms 408 KB Output is correct
13 Correct 136 ms 404 KB Output is correct
14 Correct 143 ms 404 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 187 ms 372 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 188 ms 408 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 181 ms 340 KB Output is correct
7 Correct 141 ms 340 KB Output is correct
8 Correct 221 ms 408 KB Output is correct
9 Correct 223 ms 408 KB Output is correct
10 Correct 226 ms 436 KB Output is correct
11 Correct 141 ms 524 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 304 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 304 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 23 ms 356 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 30 ms 340 KB Output is correct
24 Correct 31 ms 356 KB Output is correct
25 Correct 31 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 21 ms 356 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 23 ms 352 KB Output is correct
31 Correct 20 ms 340 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 304 KB Output is correct
35 Correct 29 ms 316 KB Output is correct
36 Correct 29 ms 468 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 86 ms 360 KB Output is correct
2 Correct 87 ms 388 KB Output is correct
3 Correct 138 ms 416 KB Output is correct
4 Correct 93 ms 584 KB Output is correct
5 Correct 172 ms 408 KB Output is correct
6 Correct 127 ms 424 KB Output is correct
7 Correct 171 ms 404 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 0 ms 300 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 150 ms 408 KB Output is correct
13 Correct 136 ms 404 KB Output is correct
14 Correct 143 ms 404 KB Output is correct
15 Correct 187 ms 372 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 188 ms 408 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 181 ms 340 KB Output is correct
21 Correct 141 ms 340 KB Output is correct
22 Correct 221 ms 408 KB Output is correct
23 Correct 223 ms 408 KB Output is correct
24 Correct 226 ms 436 KB Output is correct
25 Correct 141 ms 524 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 304 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 304 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 304 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 23 ms 356 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 30 ms 340 KB Output is correct
49 Correct 31 ms 356 KB Output is correct
50 Correct 31 ms 340 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 21 ms 356 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 23 ms 352 KB Output is correct
56 Correct 20 ms 340 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 304 KB Output is correct
60 Correct 29 ms 316 KB Output is correct
61 Correct 29 ms 468 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 101 ms 400 KB Output is correct
64 Correct 87 ms 340 KB Output is correct
65 Correct 138 ms 316 KB Output is correct
66 Correct 91 ms 392 KB Output is correct
67 Correct 178 ms 340 KB Output is correct
68 Correct 148 ms 340 KB Output is correct
69 Correct 180 ms 360 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 132 ms 420 KB Output is correct
73 Correct 137 ms 404 KB Output is correct
74 Correct 148 ms 404 KB Output is correct
75 Correct 157 ms 416 KB Output is correct
76 Correct 1 ms 308 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 174 ms 404 KB Output is correct
79 Correct 140 ms 408 KB Output is correct
80 Correct 242 ms 340 KB Output is correct
81 Correct 238 ms 404 KB Output is correct
82 Correct 226 ms 408 KB Output is correct
83 Correct 143 ms 408 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 22 ms 340 KB Output is correct
86 Correct 135 ms 340 KB Output is correct
87 Correct 1 ms 212 KB Output is correct
88 Correct 1 ms 212 KB Output is correct
89 Correct 29 ms 348 KB Output is correct
90 Correct 29 ms 340 KB Output is correct
91 Correct 29 ms 340 KB Output is correct
92 Correct 208 ms 340 KB Output is correct
93 Correct 217 ms 408 KB Output is correct
94 Correct 212 ms 416 KB Output is correct
95 Correct 1 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 142 ms 408 KB Output is correct
98 Correct 20 ms 348 KB Output is correct
99 Correct 129 ms 416 KB Output is correct
100 Correct 1 ms 304 KB Output is correct
101 Correct 20 ms 340 KB Output is correct
102 Correct 27 ms 340 KB Output is correct
103 Correct 139 ms 408 KB Output is correct
104 Correct 1 ms 212 KB Output is correct
105 Correct 1 ms 212 KB Output is correct
106 Correct 1 ms 212 KB Output is correct
107 Correct 29 ms 340 KB Output is correct
108 Correct 29 ms 320 KB Output is correct
109 Correct 209 ms 404 KB Output is correct
110 Correct 213 ms 404 KB Output is correct
111 Correct 1 ms 300 KB Output is correct