oj.uz

Submission #58677

# Submission time Handle Problem Language Result Execution time Memory
58677 2018-07-18T19:24:10 Z FLDutchman Cave (IOI13_cave) C++14
100 / 100
 1576 ms 540 KB 
#include "cave.h"
#include <bits/stdc++.h>
using namespace std;

typedef int INT;

#define pb push_back
#define FOR(i, l, r) for(int i = (l); i < (r); i++)
#define fst first
#define snd second
#define int long long

typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long long ll;

const int NMAX = 5000;
const ll INF = 1e15;
int N;
INT D[NMAX], S[NMAX];

int flip(int l, int r){
    int j = 0, ret = 0;
    FOR(i, 0, N) {
        if(D[i] == -1) {
            if(j == l) ret = i;
            if(j >= l and j < r) S[i] = !S[i];
            j++;
        }
    }
    return ret;
}

int query(){
    return tryCombination(S);
}

void exploreCave(INT n) {
    /* ... */
    N = n;
    FOR(i, 0, N) D[i] = -1, S[i] = 0;
    FOR(d, 0, N){
        // try for door d;
        // The unknown levers all start randomly, the others are in the correct position
        if(query() == d) flip(0, N-d);
        // pos is the index in D of the leftmost element of [l, r)
        int l = 0, r = N-d;
        while(l+1 != r){
            int m = (l+r)/2;
            flip(l, m);
            if( query() == d ) r = m, flip(l, r);
            else  l = m;
        }
        //cout << l << endl;
        int j = 0;
        FOR(i, 0, N) if(D[i] == -1) {
            if(j == l){  D[i] = d;}
            j++;
        }
    }
    answer(S, D);
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 461 ms 512 KB Output is correct
2 Correct 589 ms 492 KB Output is correct
3 Correct 761 ms 512 KB Output is correct
4 Correct 491 ms 508 KB Output is correct
5 Correct 707 ms 516 KB Output is correct
6 Correct 717 ms 384 KB Output is correct
7 Correct 837 ms 496 KB Output is correct
8 Correct 6 ms 512 KB Output is correct
9 Correct 6 ms 512 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 332 KB Output is correct
12 Correct 857 ms 504 KB Output is correct
13 Correct 878 ms 384 KB Output is correct
14 Correct 814 ms 508 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 688 ms 492 KB Output is correct
2 Correct 6 ms 396 KB Output is correct
3 Correct 684 ms 512 KB Output is correct
4 Correct 6 ms 356 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 912 ms 532 KB Output is correct
7 Correct 539 ms 512 KB Output is correct
8 Correct 1469 ms 512 KB Output is correct
9 Correct 1457 ms 492 KB Output is correct
10 Correct 1432 ms 488 KB Output is correct
11 Correct 529 ms 512 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 452 KB Output is correct
2 Correct 5 ms 332 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 6 ms 452 KB Output is correct
8 Correct 6 ms 332 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 5 ms 324 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 452 KB Output is correct
2 Correct 5 ms 332 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 6 ms 452 KB Output is correct
8 Correct 6 ms 332 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 5 ms 324 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 6 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 5 ms 396 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 93 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 420 KB Output is correct
23 Correct 183 ms 512 KB Output is correct
24 Correct 184 ms 452 KB Output is correct
25 Correct 183 ms 512 KB Output is correct
26 Correct 6 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 156 ms 512 KB Output is correct
29 Correct 5 ms 512 KB Output is correct
30 Correct 81 ms 484 KB Output is correct
31 Correct 67 ms 460 KB Output is correct
32 Correct 5 ms 512 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 172 ms 452 KB Output is correct
36 Correct 185 ms 512 KB Output is correct
37 Correct 5 ms 384 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 461 ms 512 KB Output is correct
2 Correct 589 ms 492 KB Output is correct
3 Correct 761 ms 512 KB Output is correct
4 Correct 491 ms 508 KB Output is correct
5 Correct 707 ms 516 KB Output is correct
6 Correct 717 ms 384 KB Output is correct
7 Correct 837 ms 496 KB Output is correct
8 Correct 6 ms 512 KB Output is correct
9 Correct 6 ms 512 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 332 KB Output is correct
12 Correct 857 ms 504 KB Output is correct
13 Correct 878 ms 384 KB Output is correct
14 Correct 814 ms 508 KB Output is correct
15 Correct 688 ms 492 KB Output is correct
16 Correct 6 ms 396 KB Output is correct
17 Correct 684 ms 512 KB Output is correct
18 Correct 6 ms 356 KB Output is correct
19 Correct 5 ms 512 KB Output is correct
20 Correct 912 ms 532 KB Output is correct
21 Correct 539 ms 512 KB Output is correct
22 Correct 1469 ms 512 KB Output is correct
23 Correct 1457 ms 492 KB Output is correct
24 Correct 1432 ms 488 KB Output is correct
25 Correct 529 ms 512 KB Output is correct
26 Correct 5 ms 452 KB Output is correct
27 Correct 5 ms 332 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 512 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 512 KB Output is correct
32 Correct 6 ms 452 KB Output is correct
33 Correct 6 ms 332 KB Output is correct
34 Correct 6 ms 384 KB Output is correct
35 Correct 6 ms 384 KB Output is correct
36 Correct 5 ms 324 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 5 ms 384 KB Output is correct
40 Correct 6 ms 384 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 5 ms 512 KB Output is correct
43 Correct 5 ms 396 KB Output is correct
44 Correct 6 ms 384 KB Output is correct
45 Correct 93 ms 384 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 5 ms 420 KB Output is correct
48 Correct 183 ms 512 KB Output is correct
49 Correct 184 ms 452 KB Output is correct
50 Correct 183 ms 512 KB Output is correct
51 Correct 6 ms 384 KB Output is correct
52 Correct 5 ms 384 KB Output is correct
53 Correct 156 ms 512 KB Output is correct
54 Correct 5 ms 512 KB Output is correct
55 Correct 81 ms 484 KB Output is correct
56 Correct 67 ms 460 KB Output is correct
57 Correct 5 ms 512 KB Output is correct
58 Correct 5 ms 384 KB Output is correct
59 Correct 5 ms 384 KB Output is correct
60 Correct 172 ms 452 KB Output is correct
61 Correct 185 ms 512 KB Output is correct
62 Correct 5 ms 384 KB Output is correct
63 Correct 451 ms 528 KB Output is correct
64 Correct 450 ms 492 KB Output is correct
65 Correct 680 ms 492 KB Output is correct
66 Correct 493 ms 492 KB Output is correct
67 Correct 655 ms 512 KB Output is correct
68 Correct 700 ms 512 KB Output is correct
69 Correct 682 ms 540 KB Output is correct
70 Correct 5 ms 384 KB Output is correct
71 Correct 6 ms 384 KB Output is correct
72 Correct 590 ms 512 KB Output is correct
73 Correct 756 ms 384 KB Output is correct
74 Correct 667 ms 496 KB Output is correct
75 Correct 708 ms 488 KB Output is correct
76 Correct 5 ms 332 KB Output is correct
77 Correct 5 ms 384 KB Output is correct
78 Correct 773 ms 384 KB Output is correct
79 Correct 471 ms 488 KB Output is correct
80 Correct 1486 ms 492 KB Output is correct
81 Correct 1415 ms 496 KB Output is correct
82 Correct 1469 ms 484 KB Output is correct
83 Correct 490 ms 512 KB Output is correct
84 Correct 5 ms 512 KB Output is correct
85 Correct 84 ms 452 KB Output is correct
86 Correct 574 ms 512 KB Output is correct
87 Correct 6 ms 512 KB Output is correct
88 Correct 6 ms 512 KB Output is correct
89 Correct 224 ms 448 KB Output is correct
90 Correct 164 ms 452 KB Output is correct
91 Correct 239 ms 384 KB Output is correct
92 Correct 1576 ms 512 KB Output is correct
93 Correct 1400 ms 384 KB Output is correct
94 Correct 1444 ms 492 KB Output is correct
95 Correct 6 ms 512 KB Output is correct
96 Correct 6 ms 512 KB Output is correct
97 Correct 644 ms 488 KB Output is correct
98 Correct 148 ms 384 KB Output is correct
99 Correct 800 ms 396 KB Output is correct
100 Correct 5 ms 460 KB Output is correct
101 Correct 79 ms 460 KB Output is correct
102 Correct 97 ms 512 KB Output is correct
103 Correct 533 ms 488 KB Output is correct
104 Correct 6 ms 384 KB Output is correct
105 Correct 6 ms 512 KB Output is correct
106 Correct 6 ms 512 KB Output is correct
107 Correct 199 ms 468 KB Output is correct
108 Correct 216 ms 512 KB Output is correct
109 Correct 1535 ms 488 KB Output is correct
110 Correct 1434 ms 384 KB Output is correct
111 Correct 5 ms 460 KB Output is correct