Submission #1171727

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1171727	2025-03-21 16:58:15	LaMatematica14	Cave (IOI13_cave)	C++20	0 / 100	126 ms	764 KiB

cave

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
void exploreCave(int N) {
    vector<int> r(N, -1);
    int logn = 31-__builtin_clz(N);
    int bp[logn][N];
    for (int i = 0; i < logn; i++) {
        for (int j = 0; j < N; j++) {
            bp[i][j] = j&(1<<logn);
        }
    }
    int z[N];
    for (int i = 0; i < N; i++) z[i] = 0;
    int ans[N];
    for (int i = 0; i < N; i++) {
        bool d = tryCombination(z) == i;
        ans[i] = 0;
        for (int j = 0; j < logn; j++) ans[i] += (tryCombination(bp[j])==i)^d ? (1<<j) : 0;
        for (int j = 0; j < logn; j++) bp[j][ans[i]] = d;
        z[ans[i]] = d;
    }
    answer(z, ans);
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 0 / 12
• Subtask 2: 0 / 13
• Subtask 3: 0 / 21
• Subtask 4: 0 / 30
• Subtask 5: 0 / 24