oj.uz

Submission #824228

# Submission time Handle Problem Language Result Execution time Memory
824228 2023-08-13T19:25:20 Z SoulKnight Cave (IOI13_cave) C++17
100 / 100
 175 ms 748 KB 
#include "cave.h"
#include <iostream>
using namespace std;

#define ll long long
#define ln '\n'

int n;
int s[5005], d[5005], t[5005], orig[5005], ans[5005];
bool hasOpen[5005];


int find(int door, int correct){
    // find which switch door i corresponds to
    // cout << "enter" << ln;
    // cout << door << ' ' << correct << ln;
    int l = 0, r = n-1;
    while (l < r){
        int mid = (l + r) / 2;
        for (int i = l; i <= r; i++) orig[i] = s[i];
        for (int i = l; i <= mid; i++) {
            if (hasOpen[i]) continue;
            s[i] = 1 - correct;
        }
        for (int i = mid+1; i <= r; i++){
            if (hasOpen[i]) continue;
            s[i] = correct;
        }
        // for (int i = 0; i < n; i++) cout << s[i] << ' ';
        // cout << ln;
        int res = tryCombination(s);
        if (res == -1) res = n;
        for (int i = l; i <= r; i++) s[i] = orig[i];

        if (res == door) r = mid;
        else l = mid+1;

    }
    // cout << "door " << door << " corresponds to switch " << l << ln;
    s[l] = correct; hasOpen[l] = 1;
    ans[l] = door;
    return d[door]=l;
}

void exploreCave(int N) {
    int idx = 0, correct;
    n = N;
    int glit = 0;

    while (idx < N){
        // cout << idx << ln;
        // for (int i = 0; i < n; i++) cout << s[i] << ' ';
        // cout << ln;
        int res = tryCombination(s);
        if (res == -1) res = n;
        if (res == idx) {
            correct = 1;
            find(idx, correct);
            idx++;
        }
        else {
            correct = 0;
            for (; idx < res; idx++) find(idx, correct);
        }
    }

    answer(s, ans);
}

Compilation message

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:48:9: warning: unused variable 'glit' [-Wunused-variable]
   48 |     int glit = 0;
      |         ^~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 460 KB Output is correct
2 Correct 89 ms 460 KB Output is correct
3 Correct 137 ms 460 KB Output is correct
4 Correct 93 ms 452 KB Output is correct
5 Correct 163 ms 468 KB Output is correct
6 Correct 129 ms 464 KB Output is correct
7 Correct 166 ms 456 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 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 123 ms 452 KB Output is correct
13 Correct 129 ms 380 KB Output is correct
14 Correct 124 ms 460 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 159 ms 464 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 134 ms 476 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 161 ms 464 KB Output is correct
7 Correct 123 ms 592 KB Output is correct
8 Correct 168 ms 468 KB Output is correct
9 Correct 165 ms 476 KB Output is correct
10 Correct 168 ms 468 KB Output is correct
11 Correct 119 ms 464 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 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 0 ms 340 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 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 0 ms 340 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 312 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 19 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 23 ms 408 KB Output is correct
24 Correct 24 ms 320 KB Output is correct
25 Correct 23 ms 408 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 20 ms 404 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 19 ms 396 KB Output is correct
31 Correct 22 ms 468 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 23 ms 400 KB Output is correct
36 Correct 23 ms 340 KB Output is correct
37 Correct 0 ms 308 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 460 KB Output is correct
2 Correct 89 ms 460 KB Output is correct
3 Correct 137 ms 460 KB Output is correct
4 Correct 93 ms 452 KB Output is correct
5 Correct 163 ms 468 KB Output is correct
6 Correct 129 ms 464 KB Output is correct
7 Correct 166 ms 456 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 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 123 ms 452 KB Output is correct
13 Correct 129 ms 380 KB Output is correct
14 Correct 124 ms 460 KB Output is correct
15 Correct 159 ms 464 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 134 ms 476 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 161 ms 464 KB Output is correct
21 Correct 123 ms 592 KB Output is correct
22 Correct 168 ms 468 KB Output is correct
23 Correct 165 ms 476 KB Output is correct
24 Correct 168 ms 468 KB Output is correct
25 Correct 119 ms 464 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 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 1 ms 340 KB Output is correct
36 Correct 0 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 0 ms 340 KB Output is correct
40 Correct 1 ms 312 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 312 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 19 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 23 ms 408 KB Output is correct
49 Correct 24 ms 320 KB Output is correct
50 Correct 23 ms 408 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 20 ms 404 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 19 ms 396 KB Output is correct
56 Correct 22 ms 468 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 312 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 23 ms 400 KB Output is correct
61 Correct 23 ms 340 KB Output is correct
62 Correct 0 ms 308 KB Output is correct
63 Correct 84 ms 456 KB Output is correct
64 Correct 88 ms 444 KB Output is correct
65 Correct 128 ms 460 KB Output is correct
66 Correct 96 ms 700 KB Output is correct
67 Correct 163 ms 464 KB Output is correct
68 Correct 132 ms 464 KB Output is correct
69 Correct 161 ms 476 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 0 ms 340 KB Output is correct
72 Correct 130 ms 468 KB Output is correct
73 Correct 129 ms 472 KB Output is correct
74 Correct 126 ms 460 KB Output is correct
75 Correct 138 ms 468 KB Output is correct
76 Correct 0 ms 340 KB Output is correct
77 Correct 1 ms 340 KB Output is correct
78 Correct 163 ms 468 KB Output is correct
79 Correct 121 ms 468 KB Output is correct
80 Correct 167 ms 576 KB Output is correct
81 Correct 166 ms 468 KB Output is correct
82 Correct 175 ms 476 KB Output is correct
83 Correct 122 ms 468 KB Output is correct
84 Correct 0 ms 340 KB Output is correct
85 Correct 19 ms 396 KB Output is correct
86 Correct 122 ms 468 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 24 ms 400 KB Output is correct
90 Correct 23 ms 400 KB Output is correct
91 Correct 24 ms 340 KB Output is correct
92 Correct 166 ms 476 KB Output is correct
93 Correct 165 ms 468 KB Output is correct
94 Correct 165 ms 472 KB Output is correct
95 Correct 1 ms 340 KB Output is correct
96 Correct 1 ms 340 KB Output is correct
97 Correct 135 ms 748 KB Output is correct
98 Correct 20 ms 404 KB Output is correct
99 Correct 123 ms 460 KB Output is correct
100 Correct 1 ms 312 KB Output is correct
101 Correct 19 ms 340 KB Output is correct
102 Correct 19 ms 324 KB Output is correct
103 Correct 121 ms 468 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 23 ms 408 KB Output is correct
108 Correct 23 ms 404 KB Output is correct
109 Correct 165 ms 468 KB Output is correct
110 Correct 161 ms 480 KB Output is correct
111 Correct 0 ms 340 KB Output is correct