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Submission #303964

# Submission time Handle Problem Language Result Execution time Memory
303964 2020-09-20T20:42:10 Z rocks03 Cave (IOI13_cave) C++14
100 / 100
 251 ms 508 KB 
#include "cave.h"
#include<bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ff first
#define ss second
#define pb push_back
#define SZ(x) ((int) (x).size())
using namespace std;

void answer(int S[], int D[]);
int tryCombination(int S[]);

void recur(int l, int r, int res, vector<int>&v, int S[], int D[]){
    if(l == r){
        if(res == -1){
            S[v[l]] ^= 1;
            D[v[l]] = tryCombination(S);
            S[v[l]] ^= 1;
        } else{
            D[v[l]] = res;
            S[v[l]] ^= 1;
        }
        v.erase(find(v.begin(), v.end(), v[l]));
        return;
    }
    int m = (l + r) / 2;
    for(int i = l; i <= m; i++){
        S[v[i]] ^= 1;
    }
    int res2 = tryCombination(S);
    for(int i = l; i <= m; i++){
        S[v[i]] ^= 1;
    }
    if(res == res2){
        recur(m+1, r, res, v, S, D);
        return;
    }
    if(res2 == -1 || res2 > res){
        recur(l, m, res, v, S, D);
        return;
    }
    if(res2 < res){
        for(int i = l; i <= m; i++){
            S[v[i]] ^= 1;
        }
        recur(l, m, res2, v, S, D);
        return;
    }
}

void exploreCave(int N){
    int S[N], D[N];
    memset(S, 0, sizeof(S));
    memset(D, -1, sizeof(D));
    vector<int> v(N);
    iota(v.begin(), v.end(), 0);
    while(SZ(v)){
        recur(0, SZ(v) - 1, tryCombination(S), v, S, D);
    }
    answer(S, D);
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 143 ms 384 KB Output is correct
2 Correct 142 ms 508 KB Output is correct
3 Correct 235 ms 508 KB Output is correct
4 Correct 150 ms 384 KB Output is correct
5 Correct 233 ms 504 KB Output is correct
6 Correct 231 ms 384 KB Output is correct
7 Correct 213 ms 384 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 218 ms 384 KB Output is correct
13 Correct 213 ms 384 KB Output is correct
14 Correct 214 ms 384 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 229 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 186 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 224 ms 384 KB Output is correct
7 Correct 244 ms 468 KB Output is correct
8 Correct 170 ms 508 KB Output is correct
9 Correct 177 ms 472 KB Output is correct
10 Correct 181 ms 504 KB Output is correct
11 Correct 240 ms 504 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 360 KB Output is correct
14 Correct 1 ms 256 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 360 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 28 ms 384 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 34 ms 412 KB Output is correct
24 Correct 32 ms 384 KB Output is correct
25 Correct 32 ms 384 KB Output is correct
26 Correct 0 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 33 ms 384 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 29 ms 384 KB Output is correct
31 Correct 28 ms 384 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 32 ms 384 KB Output is correct
36 Correct 35 ms 504 KB Output is correct
37 Correct 1 ms 256 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 143 ms 384 KB Output is correct
2 Correct 142 ms 508 KB Output is correct
3 Correct 235 ms 508 KB Output is correct
4 Correct 150 ms 384 KB Output is correct
5 Correct 233 ms 504 KB Output is correct
6 Correct 231 ms 384 KB Output is correct
7 Correct 213 ms 384 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 218 ms 384 KB Output is correct
13 Correct 213 ms 384 KB Output is correct
14 Correct 214 ms 384 KB Output is correct
15 Correct 229 ms 384 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 186 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 224 ms 384 KB Output is correct
21 Correct 244 ms 468 KB Output is correct
22 Correct 170 ms 508 KB Output is correct
23 Correct 177 ms 472 KB Output is correct
24 Correct 181 ms 504 KB Output is correct
25 Correct 240 ms 504 KB Output is correct
26 Correct 0 ms 256 KB Output is correct
27 Correct 0 ms 256 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 0 ms 256 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 1 ms 256 KB Output is correct
37 Correct 0 ms 256 KB Output is correct
38 Correct 1 ms 360 KB Output is correct
39 Correct 1 ms 256 KB Output is correct
40 Correct 1 ms 256 KB Output is correct
41 Correct 0 ms 384 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 1 ms 256 KB Output is correct
44 Correct 1 ms 384 KB Output is correct
45 Correct 28 ms 384 KB Output is correct
46 Correct 1 ms 256 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 34 ms 412 KB Output is correct
49 Correct 32 ms 384 KB Output is correct
50 Correct 32 ms 384 KB Output is correct
51 Correct 0 ms 256 KB Output is correct
52 Correct 1 ms 256 KB Output is correct
53 Correct 33 ms 384 KB Output is correct
54 Correct 2 ms 256 KB Output is correct
55 Correct 29 ms 384 KB Output is correct
56 Correct 28 ms 384 KB Output is correct
57 Correct 0 ms 256 KB Output is correct
58 Correct 1 ms 256 KB Output is correct
59 Correct 0 ms 256 KB Output is correct
60 Correct 32 ms 384 KB Output is correct
61 Correct 35 ms 504 KB Output is correct
62 Correct 1 ms 256 KB Output is correct
63 Correct 140 ms 384 KB Output is correct
64 Correct 142 ms 384 KB Output is correct
65 Correct 226 ms 384 KB Output is correct
66 Correct 145 ms 384 KB Output is correct
67 Correct 232 ms 384 KB Output is correct
68 Correct 230 ms 508 KB Output is correct
69 Correct 220 ms 384 KB Output is correct
70 Correct 1 ms 256 KB Output is correct
71 Correct 0 ms 256 KB Output is correct
72 Correct 217 ms 472 KB Output is correct
73 Correct 221 ms 504 KB Output is correct
74 Correct 219 ms 384 KB Output is correct
75 Correct 186 ms 508 KB Output is correct
76 Correct 1 ms 384 KB Output is correct
77 Correct 1 ms 256 KB Output is correct
78 Correct 222 ms 384 KB Output is correct
79 Correct 232 ms 384 KB Output is correct
80 Correct 176 ms 384 KB Output is correct
81 Correct 176 ms 384 KB Output is correct
82 Correct 177 ms 476 KB Output is correct
83 Correct 232 ms 384 KB Output is correct
84 Correct 0 ms 256 KB Output is correct
85 Correct 29 ms 384 KB Output is correct
86 Correct 190 ms 504 KB Output is correct
87 Correct 1 ms 384 KB Output is correct
88 Correct 1 ms 256 KB Output is correct
89 Correct 32 ms 384 KB Output is correct
90 Correct 33 ms 384 KB Output is correct
91 Correct 35 ms 504 KB Output is correct
92 Correct 245 ms 504 KB Output is correct
93 Correct 247 ms 384 KB Output is correct
94 Correct 251 ms 508 KB Output is correct
95 Correct 1 ms 256 KB Output is correct
96 Correct 0 ms 256 KB Output is correct
97 Correct 206 ms 384 KB Output is correct
98 Correct 33 ms 384 KB Output is correct
99 Correct 219 ms 384 KB Output is correct
100 Correct 1 ms 256 KB Output is correct
101 Correct 28 ms 384 KB Output is correct
102 Correct 28 ms 384 KB Output is correct
103 Correct 190 ms 504 KB Output is correct
104 Correct 1 ms 256 KB Output is correct
105 Correct 0 ms 256 KB Output is correct
106 Correct 0 ms 256 KB Output is correct
107 Correct 33 ms 416 KB Output is correct
108 Correct 32 ms 384 KB Output is correct
109 Correct 248 ms 504 KB Output is correct
110 Correct 242 ms 384 KB Output is correct
111 Correct 0 ms 256 KB Output is correct