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Submission #552781

# Submission time Handle Problem Language Result Execution time Memory
552781 2022-04-24T00:25:24 Z d4xn Cave (IOI13_cave) C++17
100 / 100
 608 ms 656 KB 
#include "cave.h"
#include <bits/stdc++.h>
using namespace std;

const int N = 5000;

int n;
int s[N];
int d[N];
vector<bool> vis; // switch que no puedo tocar
int cnt; // numero de switchs que me quedan por tocar
bool abierta;

int find(int i) {
    // cual es el switch que corresponde a la puerta i
    // cambiar los mid primeros switchs
    // si la puerta cambia buscar en los que he cambiado
    // si no buscar en los que no he cambiado
    int l = 1;
    int r = cnt;
    int x = tryCombination(s);
    abierta = x > i || x == -1;
    while (l < r) {
        int mid = (l+r)/2;

        int s2[N];
        for (int j = 0; j < n; j++) {
            s2[j] = s[j];
        }
        
        int temp = 0;
        for (int j = 0; j < n && temp < mid; j++) {
            if (vis[j]) continue;
            temp++;
            if (temp >= l) s2[j] = !s2[j];
        }

        x = tryCombination(s2);
        if (x > i || x == -1) {
            if (!abierta) {
                r = mid;
            }
            else {
                l = mid+1;
            }
        }
        else {
            if (abierta) {
                r = mid;
            }
            else {
                l = mid+1;
            }
        }
    }

    int temp = 0;
    for (int j = 0; j < n; j++) {
        if (vis[j]) continue;
        temp++;
        if (temp == l) return j;
    }

    return rand() % n;
}

void exploreCave(int nn) {
    n = nn;
    vis.resize(n, 0);
    cnt = n;

    for (int i = 0; i < n; i++) {
        int x = find(i);
        d[x] = i;

        if (!abierta) {
            s[x] = !s[x];
        }

        vis[x] = 1;
        cnt--;
    }

    answer(s, d);
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 170 ms 468 KB Output is correct
2 Correct 209 ms 424 KB Output is correct
3 Correct 270 ms 412 KB Output is correct
4 Correct 175 ms 544 KB Output is correct
5 Correct 274 ms 408 KB Output is correct
6 Correct 255 ms 416 KB Output is correct
7 Correct 285 ms 408 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 246 ms 424 KB Output is correct
13 Correct 276 ms 656 KB Output is correct
14 Correct 249 ms 460 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 320 ms 488 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 308 ms 376 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 298 ms 504 KB Output is correct
7 Correct 343 ms 376 KB Output is correct
8 Correct 579 ms 372 KB Output is correct
9 Correct 554 ms 376 KB Output is correct
10 Correct 590 ms 372 KB Output is correct
11 Correct 291 ms 496 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 312 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 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 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 312 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 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 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 312 KB Output is correct
20 Correct 38 ms 380 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 74 ms 372 KB Output is correct
24 Correct 70 ms 376 KB Output is correct
25 Correct 70 ms 340 KB Output is correct
26 Correct 1 ms 360 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 44 ms 360 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 55 ms 380 KB Output is correct
31 Correct 39 ms 376 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 69 ms 352 KB Output is correct
36 Correct 71 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 170 ms 468 KB Output is correct
2 Correct 209 ms 424 KB Output is correct
3 Correct 270 ms 412 KB Output is correct
4 Correct 175 ms 544 KB Output is correct
5 Correct 274 ms 408 KB Output is correct
6 Correct 255 ms 416 KB Output is correct
7 Correct 285 ms 408 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 246 ms 424 KB Output is correct
13 Correct 276 ms 656 KB Output is correct
14 Correct 249 ms 460 KB Output is correct
15 Correct 320 ms 488 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 308 ms 376 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 298 ms 504 KB Output is correct
21 Correct 343 ms 376 KB Output is correct
22 Correct 579 ms 372 KB Output is correct
23 Correct 554 ms 376 KB Output is correct
24 Correct 590 ms 372 KB Output is correct
25 Correct 291 ms 496 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 316 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 312 KB Output is correct
34 Correct 1 ms 340 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 1 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 312 KB Output is correct
45 Correct 38 ms 380 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 74 ms 372 KB Output is correct
49 Correct 70 ms 376 KB Output is correct
50 Correct 70 ms 340 KB Output is correct
51 Correct 1 ms 360 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 44 ms 360 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 55 ms 380 KB Output is correct
56 Correct 39 ms 376 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 69 ms 352 KB Output is correct
61 Correct 71 ms 340 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 183 ms 420 KB Output is correct
64 Correct 165 ms 420 KB Output is correct
65 Correct 309 ms 536 KB Output is correct
66 Correct 181 ms 416 KB Output is correct
67 Correct 325 ms 412 KB Output is correct
68 Correct 264 ms 416 KB Output is correct
69 Correct 264 ms 340 KB Output is correct
70 Correct 1 ms 308 KB Output is correct
71 Correct 0 ms 340 KB Output is correct
72 Correct 274 ms 424 KB Output is correct
73 Correct 258 ms 548 KB Output is correct
74 Correct 269 ms 428 KB Output is correct
75 Correct 341 ms 412 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 269 ms 408 KB Output is correct
79 Correct 344 ms 528 KB Output is correct
80 Correct 587 ms 412 KB Output is correct
81 Correct 578 ms 412 KB Output is correct
82 Correct 569 ms 408 KB Output is correct
83 Correct 292 ms 396 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 44 ms 376 KB Output is correct
86 Correct 262 ms 656 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 83 ms 340 KB Output is correct
90 Correct 78 ms 400 KB Output is correct
91 Correct 74 ms 368 KB Output is correct
92 Correct 577 ms 440 KB Output is correct
93 Correct 608 ms 428 KB Output is correct
94 Correct 596 ms 424 KB Output is correct
95 Correct 1 ms 340 KB Output is correct
96 Correct 1 ms 340 KB Output is correct
97 Correct 258 ms 404 KB Output is correct
98 Correct 38 ms 376 KB Output is correct
99 Correct 221 ms 428 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 44 ms 372 KB Output is correct
102 Correct 39 ms 340 KB Output is correct
103 Correct 251 ms 408 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 312 KB Output is correct
107 Correct 72 ms 376 KB Output is correct
108 Correct 68 ms 340 KB Output is correct
109 Correct 564 ms 428 KB Output is correct
110 Correct 552 ms 424 KB Output is correct
111 Correct 1 ms 340 KB Output is correct