//#define LOCAL
#include <bits/stdc++.h>
#include <cassert>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define MAX 2020202
#define MAXQ 101010
#define INF 1'000'000'100'000'000'000
#define bb ' '
#define ln '\n'
#define Ln '\n'
#define MOD 1000000007
#define TC 1
#ifdef LOCAL
#define DEBUG(a) cout<<a
#define TEST true
#else
#define DEBUG(...) 1234
#define TEST false
#endif
vector<int> vs;
int N, M, Q;
int K[MAX];
int f(int a, int b) {
return min(abs(a - b), N * 2 - abs(a - b));
}
int g(int a, int b) {
int ans = f(a, b);
ans = min(ans, f((a + N) % (N * 2), b) + 1);
ans = min(ans, f((b + N) % (N * 2), a) + 1);
return ans;
}
signed main() {
ios::sync_with_stdio(false), cin.tie(0);
cin >> N >> M >> Q;
int i;
for (i = 0; i < M; i++) cin >> K[i], vs.push_back(K[i]);
for (i = 0; i < M; i++) vs.push_back(K[i] + N);
vs.insert(vs.begin(), K[M - 1] - N);
vs.push_back(K[0] + N * 2);
int a, b;
while (Q--) {
cin >> a >> b;
int ind1 = lower_bound(vs.begin(), vs.end(), a) - vs.begin();
int ind2 = lower_bound(vs.begin(), vs.end(), b) - vs.begin();
int i, j;
int ans = f(a, b);
for (i = ind1 - 1; i <= ind1; i++) {
for (j = ind2 - 1; j <= ind2; j++) {
int x, y;
x = (vs[i] + N * 2) % (N * 2);
y = (vs[j] + N * 2) % (N * 2);
ans = min(ans, f(a, x) + f(b, y) + g(x, y));
}
}
cout << ans << ln;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
348 KB |
Output is correct |
2 |
Correct |
3 ms |
468 KB |
Output is correct |
3 |
Correct |
3 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
3 ms |
348 KB |
Output is correct |
6 |
Correct |
3 ms |
604 KB |
Output is correct |
7 |
Correct |
5 ms |
468 KB |
Output is correct |
8 |
Incorrect |
4 ms |
604 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 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 |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 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 |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
344 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
600 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 |
348 KB |
Output is correct |
37 |
Correct |
0 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 |
348 KB |
Output is correct |
42 |
Correct |
0 ms |
348 KB |
Output is correct |
43 |
Correct |
0 ms |
348 KB |
Output is correct |
44 |
Correct |
0 ms |
348 KB |
Output is correct |
45 |
Correct |
1 ms |
348 KB |
Output is correct |
46 |
Correct |
1 ms |
348 KB |
Output is correct |
47 |
Correct |
0 ms |
348 KB |
Output is correct |
48 |
Correct |
1 ms |
348 KB |
Output is correct |
49 |
Correct |
0 ms |
348 KB |
Output is correct |
50 |
Correct |
0 ms |
348 KB |
Output is correct |
51 |
Correct |
0 ms |
348 KB |
Output is correct |
52 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
604 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
26 ms |
8584 KB |
Output is correct |
4 |
Correct |
10 ms |
3800 KB |
Output is correct |
5 |
Correct |
4 ms |
604 KB |
Output is correct |
6 |
Correct |
4 ms |
532 KB |
Output is correct |
7 |
Correct |
4 ms |
604 KB |
Output is correct |
8 |
Correct |
3 ms |
604 KB |
Output is correct |
9 |
Correct |
3 ms |
604 KB |
Output is correct |
10 |
Correct |
3 ms |
604 KB |
Output is correct |
11 |
Correct |
4 ms |
604 KB |
Output is correct |
12 |
Correct |
5 ms |
604 KB |
Output is correct |
13 |
Correct |
4 ms |
604 KB |
Output is correct |
14 |
Correct |
6 ms |
604 KB |
Output is correct |
15 |
Correct |
18 ms |
4864 KB |
Output is correct |
16 |
Correct |
21 ms |
4824 KB |
Output is correct |
17 |
Correct |
37 ms |
7588 KB |
Output is correct |
18 |
Correct |
35 ms |
7256 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
348 KB |
Output is correct |
2 |
Correct |
3 ms |
468 KB |
Output is correct |
3 |
Correct |
3 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
3 ms |
348 KB |
Output is correct |
6 |
Correct |
3 ms |
604 KB |
Output is correct |
7 |
Correct |
5 ms |
468 KB |
Output is correct |
8 |
Incorrect |
4 ms |
604 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |