| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 896695 |
2024-01-01T21:44:17 Z |
aqxa |
Cave (IOI13_cave) |
C++17 |
|
167 ms |
760 KB |
#include <bits/stdc++.h>
using namespace std;
#include "cave.h"
const int mxn = 5001;
using ll = long long;
// namespace tester {
// int N;
// int to[mxn], need[mxn];
// void init() {
// cin >> N;
// for (int i = 0; i < N; ++i) {
// cin >> need[i];
// }
// for (int i = 0; i < N; ++i) {
// cin >> to[i];
// }
// }
// int tryCombination(int comb[]) {
// int mn = N;
// for (int i = 0; i < N; ++i) {
// if (comb[i] != need[i]) {
// mn = min(mn, to[i]);
// }
// }
// if (mn == N) mn = -1;
// return mn;
// }
// void answer(int need2[], int to2[]) {
// bool ok = 1;
// for (int i = 0; i < N; ++i) {
// ok &= to[i] == to2[i] && need[i] == need2[i];
// }
// if (ok) {
// cout << "AC\n";
// } else {
// cout << "WA\n";
// cout << "Participant response: \n";
// for (int i = 0; i < N; ++i) {
// cout << need2[i] << " \n"[i == N - 1];
// }
// for (int i = 0; i < N; ++i) {
// cout << to2[i] << " \n"[i == N - 1];
// }
// }
// }
// }
// using namespace tester;
void exploreCave(int n) {
int ans[n], need[n];
for (int i = 0; i < n; ++i) {
need[i] = -1;
}
int t[n];
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
t[j] = (need[j] == -1 ? 0 : need[j]);
}
int can = tryCombination(t);
if (can == -1) can = n;
can = (can > i);
int lo = 0, hi = n - 1;
while (lo < hi) {
int mid = (lo + hi) / 2;
for (int j = lo; j <= mid; ++j) {
t[j] = (need[j] == -1 ? t[j] ^ 1 : need[j]);
}
int can2 = tryCombination(t);
// for (int j = 0; j < n; ++j) {
// cout << t[j] << " \n"[j + 1 == n];
// }
// cout << "res " << can2 << '\n';
if (can2 == -1) can2 = n;
can2 = (can2 > i);
if (can == can2) {
lo = mid + 1;
} else {
hi = mid;
can = can2;
}
}
need[lo] = can ^ t[lo] ^ 1;
ans[lo] = i;
}
answer(need, ans);
}
// int main() {
// ios::sync_with_stdio(false);
// cin.tie(nullptr);
// init();
// exploreCave(N);
// return 0;
// }
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
80 ms |
344 KB |
Output is correct |
| 2 |
Correct |
80 ms |
536 KB |
Output is correct |
| 3 |
Correct |
124 ms |
348 KB |
Output is correct |
| 4 |
Correct |
89 ms |
536 KB |
Output is correct |
| 5 |
Correct |
131 ms |
564 KB |
Output is correct |
| 6 |
Correct |
121 ms |
556 KB |
Output is correct |
| 7 |
Correct |
133 ms |
556 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
120 ms |
556 KB |
Output is correct |
| 13 |
Correct |
120 ms |
556 KB |
Output is correct |
| 14 |
Correct |
121 ms |
560 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
167 ms |
520 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
129 ms |
556 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
131 ms |
452 KB |
Output is correct |
| 7 |
Correct |
132 ms |
556 KB |
Output is correct |
| 8 |
Correct |
148 ms |
344 KB |
Output is correct |
| 9 |
Correct |
160 ms |
556 KB |
Output is correct |
| 10 |
Correct |
150 ms |
344 KB |
Output is correct |
| 11 |
Correct |
132 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
440 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
19 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
348 KB |
Output is correct |
| 23 |
Correct |
28 ms |
348 KB |
Output is correct |
| 24 |
Correct |
20 ms |
504 KB |
Output is correct |
| 25 |
Correct |
20 ms |
600 KB |
Output is correct |
| 26 |
Correct |
1 ms |
348 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
19 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
21 ms |
348 KB |
Output is correct |
| 31 |
Correct |
19 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
0 ms |
348 KB |
Output is correct |
| 34 |
Correct |
1 ms |
444 KB |
Output is correct |
| 35 |
Correct |
22 ms |
480 KB |
Output is correct |
| 36 |
Correct |
20 ms |
344 KB |
Output is correct |
| 37 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
80 ms |
344 KB |
Output is correct |
| 2 |
Correct |
80 ms |
536 KB |
Output is correct |
| 3 |
Correct |
124 ms |
348 KB |
Output is correct |
| 4 |
Correct |
89 ms |
536 KB |
Output is correct |
| 5 |
Correct |
131 ms |
564 KB |
Output is correct |
| 6 |
Correct |
121 ms |
556 KB |
Output is correct |
| 7 |
Correct |
133 ms |
556 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
120 ms |
556 KB |
Output is correct |
| 13 |
Correct |
120 ms |
556 KB |
Output is correct |
| 14 |
Correct |
121 ms |
560 KB |
Output is correct |
| 15 |
Correct |
167 ms |
520 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
129 ms |
556 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
131 ms |
452 KB |
Output is correct |
| 21 |
Correct |
132 ms |
556 KB |
Output is correct |
| 22 |
Correct |
148 ms |
344 KB |
Output is correct |
| 23 |
Correct |
160 ms |
556 KB |
Output is correct |
| 24 |
Correct |
150 ms |
344 KB |
Output is correct |
| 25 |
Correct |
132 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
344 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
0 ms |
348 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
1 ms |
348 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
348 KB |
Output is correct |
| 34 |
Correct |
0 ms |
348 KB |
Output is correct |
| 35 |
Correct |
0 ms |
344 KB |
Output is correct |
| 36 |
Correct |
0 ms |
344 KB |
Output is correct |
| 37 |
Correct |
1 ms |
348 KB |
Output is correct |
| 38 |
Correct |
0 ms |
348 KB |
Output is correct |
| 39 |
Correct |
0 ms |
348 KB |
Output is correct |
| 40 |
Correct |
0 ms |
348 KB |
Output is correct |
| 41 |
Correct |
0 ms |
440 KB |
Output is correct |
| 42 |
Correct |
1 ms |
348 KB |
Output is correct |
| 43 |
Correct |
1 ms |
348 KB |
Output is correct |
| 44 |
Correct |
0 ms |
348 KB |
Output is correct |
| 45 |
Correct |
19 ms |
348 KB |
Output is correct |
| 46 |
Correct |
1 ms |
348 KB |
Output is correct |
| 47 |
Correct |
1 ms |
348 KB |
Output is correct |
| 48 |
Correct |
28 ms |
348 KB |
Output is correct |
| 49 |
Correct |
20 ms |
504 KB |
Output is correct |
| 50 |
Correct |
20 ms |
600 KB |
Output is correct |
| 51 |
Correct |
1 ms |
348 KB |
Output is correct |
| 52 |
Correct |
0 ms |
348 KB |
Output is correct |
| 53 |
Correct |
19 ms |
348 KB |
Output is correct |
| 54 |
Correct |
1 ms |
348 KB |
Output is correct |
| 55 |
Correct |
21 ms |
348 KB |
Output is correct |
| 56 |
Correct |
19 ms |
344 KB |
Output is correct |
| 57 |
Correct |
0 ms |
348 KB |
Output is correct |
| 58 |
Correct |
0 ms |
348 KB |
Output is correct |
| 59 |
Correct |
1 ms |
444 KB |
Output is correct |
| 60 |
Correct |
22 ms |
480 KB |
Output is correct |
| 61 |
Correct |
20 ms |
344 KB |
Output is correct |
| 62 |
Correct |
0 ms |
348 KB |
Output is correct |
| 63 |
Correct |
80 ms |
348 KB |
Output is correct |
| 64 |
Correct |
83 ms |
348 KB |
Output is correct |
| 65 |
Correct |
128 ms |
560 KB |
Output is correct |
| 66 |
Correct |
84 ms |
348 KB |
Output is correct |
| 67 |
Correct |
130 ms |
344 KB |
Output is correct |
| 68 |
Correct |
127 ms |
560 KB |
Output is correct |
| 69 |
Correct |
129 ms |
560 KB |
Output is correct |
| 70 |
Correct |
1 ms |
344 KB |
Output is correct |
| 71 |
Correct |
0 ms |
348 KB |
Output is correct |
| 72 |
Correct |
122 ms |
556 KB |
Output is correct |
| 73 |
Correct |
126 ms |
760 KB |
Output is correct |
| 74 |
Correct |
121 ms |
344 KB |
Output is correct |
| 75 |
Correct |
129 ms |
344 KB |
Output is correct |
| 76 |
Correct |
0 ms |
348 KB |
Output is correct |
| 77 |
Correct |
0 ms |
348 KB |
Output is correct |
| 78 |
Correct |
134 ms |
556 KB |
Output is correct |
| 79 |
Correct |
133 ms |
560 KB |
Output is correct |
| 80 |
Correct |
149 ms |
344 KB |
Output is correct |
| 81 |
Correct |
149 ms |
556 KB |
Output is correct |
| 82 |
Correct |
159 ms |
556 KB |
Output is correct |
| 83 |
Correct |
135 ms |
556 KB |
Output is correct |
| 84 |
Correct |
0 ms |
348 KB |
Output is correct |
| 85 |
Correct |
19 ms |
504 KB |
Output is correct |
| 86 |
Correct |
123 ms |
348 KB |
Output is correct |
| 87 |
Correct |
0 ms |
344 KB |
Output is correct |
| 88 |
Correct |
0 ms |
344 KB |
Output is correct |
| 89 |
Correct |
20 ms |
348 KB |
Output is correct |
| 90 |
Correct |
21 ms |
348 KB |
Output is correct |
| 91 |
Correct |
20 ms |
348 KB |
Output is correct |
| 92 |
Correct |
141 ms |
344 KB |
Output is correct |
| 93 |
Correct |
143 ms |
560 KB |
Output is correct |
| 94 |
Correct |
142 ms |
560 KB |
Output is correct |
| 95 |
Correct |
0 ms |
348 KB |
Output is correct |
| 96 |
Correct |
1 ms |
348 KB |
Output is correct |
| 97 |
Correct |
124 ms |
560 KB |
Output is correct |
| 98 |
Correct |
18 ms |
344 KB |
Output is correct |
| 99 |
Correct |
128 ms |
596 KB |
Output is correct |
| 100 |
Correct |
0 ms |
348 KB |
Output is correct |
| 101 |
Correct |
19 ms |
348 KB |
Output is correct |
| 102 |
Correct |
19 ms |
348 KB |
Output is correct |
| 103 |
Correct |
120 ms |
344 KB |
Output is correct |
| 104 |
Correct |
1 ms |
348 KB |
Output is correct |
| 105 |
Correct |
0 ms |
348 KB |
Output is correct |
| 106 |
Correct |
0 ms |
344 KB |
Output is correct |
| 107 |
Correct |
21 ms |
504 KB |
Output is correct |
| 108 |
Correct |
23 ms |
344 KB |
Output is correct |
| 109 |
Correct |
144 ms |
556 KB |
Output is correct |
| 110 |
Correct |
142 ms |
556 KB |
Output is correct |
| 111 |
Correct |
0 ms |
348 KB |
Output is correct |
