# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
130205 |
2019-07-14T08:52:25 Z |
RockyB |
Library (JOI18_library) |
C++17 |
|
721 ms |
2936 KB |
#include "library.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = (int)1e5 + 7;
vector <int> g[MAXN];
void Solve(int N) {
for (int i = 1; i <= N; i++) {
{
int l = i + 1, r = N, add = -1;
while (l <= r) {
int mid = l + r >> 1;
vector <int> A(N);
for (int j = mid; j <= N; j++) A[j - 1] = 1;
int c1 = Query(A);
A[i - 1] = 1;
int c2 = Query(A);
if (c1 < c2) r = mid - 1;
else add = mid, l = mid + 1;
}
if (add != -1) {
g[i].push_back(add);
g[add].push_back(i);
}
}
{
int l = i + 1, r = N, add = -1;
while (l <= r) {
int mid = l + r >> 1;
vector <int> A(N);
for (int j = mid; j <= N; j++) A[j - 1] = 1;
int c1 = Query(A);
A[i - 1] = 1;
int c2 = Query(A);
if (c1 <= c2) r = mid - 1;
else add = mid, l = mid + 1;
}
if (add != -1) {
g[i].push_back(add);
g[add].push_back(i);
}
// cerr << i << ' ' << add << endl;
}
}
int v = -1, p = -1;
vector <int> ans;
for (int i = 1; i <= N; i++) {
// cerr << i << " -> " << g[i].size() << endl;
if (g[i].size() <= 1) {
v = i;
break;
}
}
while (ans.size() < N) {
ans.push_back(v);
for (auto it : g[v]) {
if (it != p) {
p = v;
v = it;
break;
}
}
}
// for (auto it : ans) cerr << it << ' ';
Answer(ans);
}
Compilation message
library.cpp: In function 'void Solve(int)':
library.cpp:16:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = l + r >> 1;
~~^~~
library.cpp:33:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = l + r >> 1;
~~^~~
library.cpp:60:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (ans.size() < N) {
~~~~~~~~~~~^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
86 ms |
2552 KB |
# of queries: 4582 |
2 |
Correct |
84 ms |
2708 KB |
# of queries: 4556 |
3 |
Correct |
79 ms |
2792 KB |
# of queries: 4818 |
4 |
Correct |
95 ms |
2728 KB |
# of queries: 4828 |
5 |
Correct |
71 ms |
2680 KB |
# of queries: 4842 |
6 |
Correct |
81 ms |
2748 KB |
# of queries: 4814 |
7 |
Correct |
78 ms |
2752 KB |
# of queries: 4814 |
8 |
Correct |
86 ms |
2676 KB |
# of queries: 4634 |
9 |
Correct |
66 ms |
2660 KB |
# of queries: 4818 |
10 |
Correct |
44 ms |
2552 KB |
# of queries: 2784 |
11 |
Correct |
4 ms |
2552 KB |
# of queries: 0 |
12 |
Correct |
4 ms |
2552 KB |
# of queries: 4 |
13 |
Correct |
4 ms |
2684 KB |
# of queries: 12 |
14 |
Correct |
5 ms |
2552 KB |
# of queries: 20 |
15 |
Correct |
6 ms |
2680 KB |
# of queries: 156 |
16 |
Correct |
11 ms |
2680 KB |
# of queries: 358 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
86 ms |
2552 KB |
# of queries: 4582 |
2 |
Correct |
84 ms |
2708 KB |
# of queries: 4556 |
3 |
Correct |
79 ms |
2792 KB |
# of queries: 4818 |
4 |
Correct |
95 ms |
2728 KB |
# of queries: 4828 |
5 |
Correct |
71 ms |
2680 KB |
# of queries: 4842 |
6 |
Correct |
81 ms |
2748 KB |
# of queries: 4814 |
7 |
Correct |
78 ms |
2752 KB |
# of queries: 4814 |
8 |
Correct |
86 ms |
2676 KB |
# of queries: 4634 |
9 |
Correct |
66 ms |
2660 KB |
# of queries: 4818 |
10 |
Correct |
44 ms |
2552 KB |
# of queries: 2784 |
11 |
Correct |
4 ms |
2552 KB |
# of queries: 0 |
12 |
Correct |
4 ms |
2552 KB |
# of queries: 4 |
13 |
Correct |
4 ms |
2684 KB |
# of queries: 12 |
14 |
Correct |
5 ms |
2552 KB |
# of queries: 20 |
15 |
Correct |
6 ms |
2680 KB |
# of queries: 156 |
16 |
Correct |
11 ms |
2680 KB |
# of queries: 358 |
17 |
Incorrect |
642 ms |
2856 KB |
Wrong Answer [3] |
18 |
Incorrect |
659 ms |
2800 KB |
Wrong Answer [3] |
19 |
Incorrect |
718 ms |
2732 KB |
Wrong Answer [3] |
20 |
Incorrect |
634 ms |
2936 KB |
Wrong Answer [3] |
21 |
Incorrect |
631 ms |
2824 KB |
Wrong Answer [3] |
22 |
Incorrect |
715 ms |
2800 KB |
Wrong Answer [3] |
23 |
Incorrect |
692 ms |
2672 KB |
Wrong Answer [3] |
24 |
Correct |
266 ms |
2804 KB |
# of queries: 15102 |
25 |
Incorrect |
680 ms |
2792 KB |
Wrong Answer [3] |
26 |
Incorrect |
649 ms |
2816 KB |
Wrong Answer [3] |
27 |
Correct |
299 ms |
2808 KB |
# of queries: 15020 |
28 |
Incorrect |
721 ms |
2804 KB |
Wrong Answer [3] |
29 |
Incorrect |
657 ms |
2924 KB |
Wrong Answer [3] |
30 |
Incorrect |
705 ms |
2936 KB |
Wrong Answer [3] |