oj.uz

Submission #71786

# Submission time Handle Problem Language Result Execution time Memory
71786 2018-08-25T15:54:24 Z tamtam Cave (IOI13_cave) C++14
100 / 100
 803 ms 640 KB 
#include "cave.h"
#include<bits/stdc++.h>
#define F first
#define S second
typedef long long ll;
using namespace std;
int n;
bool done[5010];
int correctpos[5010];
int whichdoor[5010];
int ask[5010];
vector<int> cur;
pair<int,int> Solve(int door){
    cur.clear();
    int correct;
    for (int i=0;i<n;i++){
        if (!done[i]){cur.push_back(i);ask[i]=0;}
        else ask[i]=correctpos[i];
    }
    int x=tryCombination(ask);
    if (x==-1||x>door){
        correct=0;
    }else {
        correct=1;
    }
    int st=0,en=cur.size()-1;
    int mid;
    int ans=cur.size()-1;
    while (st<=en){
        mid=(st+en)/2;
        for (int i=0;i<cur.size();i++){
            if (i<=mid){
                ask[cur[i]]=correct;
            }else {
                ask[cur[i]]=1-correct;
            }
        }
        x=tryCombination(ask);
        if (x==-1||x>door){
            ans=mid;
            en=mid-1;
        }else {
            st=mid+1;
        }
    }
    return {cur[ans],correct};
}

void exploreCave(int N) {
    n=N;
    for (int i=0;i<n;i++){
        pair<int,int> x=Solve(i);
        whichdoor[x.F]=i;
        done[x.F]=true;
        correctpos[x.F]=x.S;
    }

    //for (int i=0;i<n;i++){
      //  cout <<whichdoor[i]<<" ";
    //}
    //cout <<endl;

    answer(correctpos,whichdoor);
}

Compilation message

cave.cpp: In function 'std::pair<int, int> Solve(int)':
cave.cpp:31:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i=0;i<cur.size();i++){
                      ~^~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 422 ms 512 KB Output is correct
2 Correct 432 ms 484 KB Output is correct
3 Correct 803 ms 640 KB Output is correct
4 Correct 447 ms 524 KB Output is correct
5 Correct 654 ms 512 KB Output is correct
6 Correct 628 ms 548 KB Output is correct
7 Correct 591 ms 588 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 630 ms 640 KB Output is correct
13 Correct 597 ms 572 KB Output is correct
14 Correct 632 ms 640 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 624 ms 540 KB Output is correct
2 Correct 5 ms 460 KB Output is correct
3 Correct 697 ms 572 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 656 ms 640 KB Output is correct
7 Correct 634 ms 512 KB Output is correct
8 Correct 687 ms 512 KB Output is correct
9 Correct 703 ms 572 KB Output is correct
10 Correct 667 ms 572 KB Output is correct
11 Correct 691 ms 640 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 6 ms 460 KB Output is correct
3 Correct 6 ms 332 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 6 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 5 ms 384 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 384 KB Output is correct
12 Correct 7 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 6 ms 384 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 6 ms 460 KB Output is correct
3 Correct 6 ms 332 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 6 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 5 ms 384 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 384 KB Output is correct
12 Correct 7 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 6 ms 512 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 88 ms 384 KB Output is correct
21 Correct 5 ms 332 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 98 ms 512 KB Output is correct
24 Correct 109 ms 484 KB Output is correct
25 Correct 100 ms 384 KB Output is correct
26 Correct 5 ms 512 KB Output is correct
27 Correct 6 ms 512 KB Output is correct
28 Correct 104 ms 512 KB Output is correct
29 Correct 6 ms 512 KB Output is correct
30 Correct 87 ms 384 KB Output is correct
31 Correct 92 ms 512 KB Output is correct
32 Correct 6 ms 512 KB Output is correct
33 Correct 6 ms 452 KB Output is correct
34 Correct 6 ms 512 KB Output is correct
35 Correct 106 ms 384 KB Output is correct
36 Correct 110 ms 384 KB Output is correct
37 Correct 6 ms 512 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 422 ms 512 KB Output is correct
2 Correct 432 ms 484 KB Output is correct
3 Correct 803 ms 640 KB Output is correct
4 Correct 447 ms 524 KB Output is correct
5 Correct 654 ms 512 KB Output is correct
6 Correct 628 ms 548 KB Output is correct
7 Correct 591 ms 588 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 630 ms 640 KB Output is correct
13 Correct 597 ms 572 KB Output is correct
14 Correct 632 ms 640 KB Output is correct
15 Correct 624 ms 540 KB Output is correct
16 Correct 5 ms 460 KB Output is correct
17 Correct 697 ms 572 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 656 ms 640 KB Output is correct
21 Correct 634 ms 512 KB Output is correct
22 Correct 687 ms 512 KB Output is correct
23 Correct 703 ms 572 KB Output is correct
24 Correct 667 ms 572 KB Output is correct
25 Correct 691 ms 640 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 6 ms 460 KB Output is correct
28 Correct 6 ms 332 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 6 ms 512 KB Output is correct
31 Correct 5 ms 512 KB Output is correct
32 Correct 6 ms 512 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 6 ms 512 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 5 ms 384 KB Output is correct
37 Correct 7 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 6 ms 384 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 6 ms 512 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 5 ms 384 KB Output is correct
44 Correct 6 ms 384 KB Output is correct
45 Correct 88 ms 384 KB Output is correct
46 Correct 5 ms 332 KB Output is correct
47 Correct 5 ms 384 KB Output is correct
48 Correct 98 ms 512 KB Output is correct
49 Correct 109 ms 484 KB Output is correct
50 Correct 100 ms 384 KB Output is correct
51 Correct 5 ms 512 KB Output is correct
52 Correct 6 ms 512 KB Output is correct
53 Correct 104 ms 512 KB Output is correct
54 Correct 6 ms 512 KB Output is correct
55 Correct 87 ms 384 KB Output is correct
56 Correct 92 ms 512 KB Output is correct
57 Correct 6 ms 512 KB Output is correct
58 Correct 6 ms 452 KB Output is correct
59 Correct 6 ms 512 KB Output is correct
60 Correct 106 ms 384 KB Output is correct
61 Correct 110 ms 384 KB Output is correct
62 Correct 6 ms 512 KB Output is correct
63 Correct 372 ms 640 KB Output is correct
64 Correct 388 ms 544 KB Output is correct
65 Correct 666 ms 640 KB Output is correct
66 Correct 451 ms 640 KB Output is correct
67 Correct 681 ms 576 KB Output is correct
68 Correct 656 ms 640 KB Output is correct
69 Correct 657 ms 576 KB Output is correct
70 Correct 5 ms 452 KB Output is correct
71 Correct 5 ms 512 KB Output is correct
72 Correct 635 ms 600 KB Output is correct
73 Correct 599 ms 640 KB Output is correct
74 Correct 551 ms 564 KB Output is correct
75 Correct 695 ms 564 KB Output is correct
76 Correct 5 ms 384 KB Output is correct
77 Correct 5 ms 332 KB Output is correct
78 Correct 628 ms 640 KB Output is correct
79 Correct 654 ms 512 KB Output is correct
80 Correct 722 ms 640 KB Output is correct
81 Correct 685 ms 588 KB Output is correct
82 Correct 695 ms 640 KB Output is correct
83 Correct 723 ms 556 KB Output is correct
84 Correct 5 ms 384 KB Output is correct
85 Correct 88 ms 512 KB Output is correct
86 Correct 634 ms 568 KB Output is correct
87 Correct 5 ms 384 KB Output is correct
88 Correct 6 ms 384 KB Output is correct
89 Correct 94 ms 384 KB Output is correct
90 Correct 113 ms 480 KB Output is correct
91 Correct 91 ms 484 KB Output is correct
92 Correct 648 ms 568 KB Output is correct
93 Correct 729 ms 576 KB Output is correct
94 Correct 696 ms 568 KB Output is correct
95 Correct 6 ms 384 KB Output is correct
96 Correct 5 ms 512 KB Output is correct
97 Correct 628 ms 568 KB Output is correct
98 Correct 91 ms 384 KB Output is correct
99 Correct 665 ms 540 KB Output is correct
100 Correct 5 ms 384 KB Output is correct
101 Correct 91 ms 476 KB Output is correct
102 Correct 107 ms 472 KB Output is correct
103 Correct 627 ms 548 KB Output is correct
104 Correct 5 ms 512 KB Output is correct
105 Correct 5 ms 332 KB Output is correct
106 Correct 5 ms 396 KB Output is correct
107 Correct 97 ms 484 KB Output is correct
108 Correct 110 ms 384 KB Output is correct
109 Correct 704 ms 568 KB Output is correct
110 Correct 666 ms 640 KB Output is correct
111 Correct 6 ms 512 KB Output is correct