oj.uz

Submission #239842

# Submission time Handle Problem Language Result Execution time Memory
239842 2020-06-17T11:46:02 Z Dremix10 Cave (IOI13_cave) C++17
100 / 100
 237 ms 632 KB 
#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
#define F first
#define S second
#define endl '\n'
#define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define maxp 22
#define EPS (ld)(1e-18)
#define mod (int)(1e9+7)


void exploreCave(int N) {
    //cout<<N<<endl;
    int query[N];

    int i,j;

    int switches[N];
    for(i=0;i<N;i++)
        switches[i]=-1;

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

//    cout<<last<<endl;



    for(i=0;i<N;i++){

        for(j=0;j<N;j++)
            if(switches[j]==-1)
                query[j]=0;
            else
                query[j]=switches[j];

        //for(j=0;j<N;j++)
        //    cout<<query[j]<<" ";
        //cout<<endl;

        int last=tryCombination(query);

        bool open=true;
        if(last==i)
            open=false;
        //cout<<last<<" "<<open<<endl;
        int l=0,r=N-1;
        //int mm=-1;
        //int one=-1;
        //cout<<open<<" "<<i<<endl;
        while(l<r){
            int mid=(l+r)/2;
            for(j=l;j<=mid;j++)
                if(switches[j]==-1)
                query[j]^=1;

            int x=tryCombination(query);
            //cout<<l<<" "<<r<<" "<<mid<<" "<<x<<" "<<open<<endl;
            if((open && x<=i && x!=-1) || (!open && (x>i || x==-1))){
                r=mid;
                //mm=mid;
                open^=1;
                //if((query[r]==1 && !open) || (query[r]==0 && open))
                //    one=true;
                //else
                //    one=false;
            }
            else
                l=mid+1;
        }
        int mm=r;
        if(r-l==1){
            if(switches[l]==-1)
                query[l]^=1;
            int x=tryCombination(query);
            if((open && x<=i && x!=-1) || (!open && (x>i || x==-1))){
                mm=l;
                open^=1;
            }
        }
        //cout<<"ans"<<endl;
        //cout<<open<<" "<<mm<<" "<<query[mm]<<endl;
        //cout<<l<<" "<<r<<endl;
        bool one;
        door[mm]=i;
        if((query[mm]==1 && open) || (query[mm]==0 && !open))
            one=true;
        else
            one=false;
        if(one)
            switches[mm]=1;
        else
            switches[mm]=0;

        //cout<<"ans "<<i<<": "<<mm<<" "<<switches[mm]<<endl;
        //cout<<switches[mm]<<endl;

    }

    answer(switches,door);


}

Compilation message

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:26:21: warning: variable 'toSwitch' set but not used [-Wunused-but-set-variable]
     int door[N];int toSwitch[N];
                     ^~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 116 ms 504 KB Output is correct
2 Correct 120 ms 504 KB Output is correct
3 Correct 175 ms 512 KB Output is correct
4 Correct 120 ms 504 KB Output is correct
5 Correct 195 ms 632 KB Output is correct
6 Correct 177 ms 632 KB Output is correct
7 Correct 192 ms 512 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 256 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 176 ms 512 KB Output is correct
13 Correct 172 ms 512 KB Output is correct
14 Correct 175 ms 512 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 186 ms 512 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 187 ms 512 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 185 ms 512 KB Output is correct
7 Correct 189 ms 512 KB Output is correct
8 Correct 237 ms 632 KB Output is correct
9 Correct 232 ms 512 KB Output is correct
10 Correct 235 ms 632 KB Output is correct
11 Correct 190 ms 512 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 256 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 4 ms 256 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 30 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 36 ms 384 KB Output is correct
24 Correct 35 ms 384 KB Output is correct
25 Correct 34 ms 384 KB Output is correct
26 Correct 5 ms 256 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 30 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 30 ms 384 KB Output is correct
31 Correct 30 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 34 ms 384 KB Output is correct
36 Correct 37 ms 384 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 116 ms 504 KB Output is correct
2 Correct 120 ms 504 KB Output is correct
3 Correct 175 ms 512 KB Output is correct
4 Correct 120 ms 504 KB Output is correct
5 Correct 195 ms 632 KB Output is correct
6 Correct 177 ms 632 KB Output is correct
7 Correct 192 ms 512 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 256 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 176 ms 512 KB Output is correct
13 Correct 172 ms 512 KB Output is correct
14 Correct 175 ms 512 KB Output is correct
15 Correct 186 ms 512 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 187 ms 512 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 185 ms 512 KB Output is correct
21 Correct 189 ms 512 KB Output is correct
22 Correct 237 ms 632 KB Output is correct
23 Correct 232 ms 512 KB Output is correct
24 Correct 235 ms 632 KB Output is correct
25 Correct 190 ms 512 KB Output is correct
26 Correct 4 ms 384 KB Output is correct
27 Correct 5 ms 256 KB Output is correct
28 Correct 5 ms 256 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 5 ms 384 KB Output is correct
37 Correct 5 ms 512 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 5 ms 256 KB Output is correct
40 Correct 4 ms 256 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 4 ms 256 KB Output is correct
43 Correct 4 ms 384 KB Output is correct
44 Correct 5 ms 256 KB Output is correct
45 Correct 30 ms 384 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 5 ms 384 KB Output is correct
48 Correct 36 ms 384 KB Output is correct
49 Correct 35 ms 384 KB Output is correct
50 Correct 34 ms 384 KB Output is correct
51 Correct 5 ms 256 KB Output is correct
52 Correct 5 ms 384 KB Output is correct
53 Correct 30 ms 384 KB Output is correct
54 Correct 5 ms 384 KB Output is correct
55 Correct 30 ms 384 KB Output is correct
56 Correct 30 ms 384 KB Output is correct
57 Correct 5 ms 384 KB Output is correct
58 Correct 5 ms 384 KB Output is correct
59 Correct 5 ms 384 KB Output is correct
60 Correct 34 ms 384 KB Output is correct
61 Correct 37 ms 384 KB Output is correct
62 Correct 5 ms 384 KB Output is correct
63 Correct 117 ms 536 KB Output is correct
64 Correct 117 ms 512 KB Output is correct
65 Correct 178 ms 524 KB Output is correct
66 Correct 129 ms 504 KB Output is correct
67 Correct 213 ms 512 KB Output is correct
68 Correct 176 ms 632 KB Output is correct
69 Correct 190 ms 524 KB Output is correct
70 Correct 5 ms 256 KB Output is correct
71 Correct 4 ms 384 KB Output is correct
72 Correct 174 ms 632 KB Output is correct
73 Correct 181 ms 512 KB Output is correct
74 Correct 172 ms 512 KB Output is correct
75 Correct 188 ms 632 KB Output is correct
76 Correct 5 ms 384 KB Output is correct
77 Correct 4 ms 384 KB Output is correct
78 Correct 187 ms 632 KB Output is correct
79 Correct 190 ms 632 KB Output is correct
80 Correct 220 ms 512 KB Output is correct
81 Correct 219 ms 512 KB Output is correct
82 Correct 226 ms 512 KB Output is correct
83 Correct 190 ms 512 KB Output is correct
84 Correct 5 ms 384 KB Output is correct
85 Correct 29 ms 384 KB Output is correct
86 Correct 168 ms 512 KB Output is correct
87 Correct 5 ms 256 KB Output is correct
88 Correct 5 ms 256 KB Output is correct
89 Correct 35 ms 384 KB Output is correct
90 Correct 36 ms 384 KB Output is correct
91 Correct 35 ms 384 KB Output is correct
92 Correct 218 ms 512 KB Output is correct
93 Correct 224 ms 632 KB Output is correct
94 Correct 223 ms 512 KB Output is correct
95 Correct 5 ms 384 KB Output is correct
96 Correct 5 ms 256 KB Output is correct
97 Correct 177 ms 512 KB Output is correct
98 Correct 33 ms 384 KB Output is correct
99 Correct 174 ms 528 KB Output is correct
100 Correct 4 ms 384 KB Output is correct
101 Correct 30 ms 384 KB Output is correct
102 Correct 31 ms 384 KB Output is correct
103 Correct 169 ms 512 KB Output is correct
104 Correct 5 ms 256 KB Output is correct
105 Correct 5 ms 384 KB Output is correct
106 Correct 5 ms 384 KB Output is correct
107 Correct 34 ms 384 KB Output is correct
108 Correct 37 ms 384 KB Output is correct
109 Correct 231 ms 632 KB Output is correct
110 Correct 223 ms 632 KB Output is correct
111 Correct 4 ms 384 KB Output is correct