oj.uz

Submission #796013

# Submission time Handle Problem Language Result Execution time Memory
796013 2023-07-28T04:14:25 Z 박영우(#10072) Bitaro's travel (JOI23_travel) C++17
100 / 100
 469 ms 9676 KB 
#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 201010
#define MAXS 23
#define INF 1000000000000000001
#define bb ' '
#define ln '\n'
#define Ln '\n'
ll X[MAX];
ll ans[MAX];
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	int N;
	cin >> N;
	int i;
	for (i = 1; i <= N; i++) cin >> X[i];
	int Q;
	cin >> Q;
	X[0] = -INF;
	X[N + 1] = INF;
	for (i = 1; i <= N; i++) {
		int s, e, loc;
		s = e = loc = i;
		int l, r;
		while (1) {
			if (s == 1 && e == N) break;
			if (X[loc] - X[s - 1] > X[e + 1] - X[loc]) {
				ll d = X[loc] - X[s - 1];
				l = e + 1;
				r = N + 1;
				while (r - l > 1) {
					int m = l + r >> 1;
					if (X[m] - X[loc] >= d) r = m;
					else l = m;
				}
				ans[i] += X[l] - X[loc];
				loc = e = l;
			}
			else {
				ll d = X[e + 1] - X[loc];
				l = 0;
				r = s - 1;
				while (r - l > 1) {
					int m = l + r >> 1;
					if (X[loc] - X[m] > d) l = m;
					else r = m;
				}
				ans[i] += X[loc] - X[r];
				loc = s = r;
			}
		}
	}
	while (Q--) {
		ll x;
		cin >> x;
		int ind = lower_bound(X + 1, X + N + 1, x) - X;
		int pv = ind - 1;
		if (x - X[pv] <= X[ind] - x) ind = pv;
		cout << abs(x - X[ind]) + ans[ind] << ln;
	}
}

Compilation message

travel.cpp: In function 'int main()':
travel.cpp:40:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   40 |      int m = l + r >> 1;
      |              ~~^~~
travel.cpp:52:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   52 |      int m = l + r >> 1;
      |              ~~^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 324 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 2 ms 712 KB Output is correct
16 Correct 2 ms 364 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 324 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 2 ms 712 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 304 ms 5372 KB Output is correct
18 Correct 306 ms 5364 KB Output is correct
19 Correct 309 ms 5448 KB Output is correct
20 Correct 319 ms 5344 KB Output is correct
21 Correct 327 ms 5376 KB Output is correct
22 Correct 337 ms 5320 KB Output is correct
23 Correct 328 ms 5404 KB Output is correct
24 Correct 387 ms 5344 KB Output is correct
25 Correct 387 ms 5284 KB Output is correct
26 Correct 387 ms 5368 KB Output is correct
27 Correct 408 ms 5472 KB Output is correct
28 Correct 383 ms 5324 KB Output is correct
29 Correct 203 ms 5288 KB Output is correct
30 Correct 214 ms 5244 KB Output is correct
31 Correct 201 ms 5268 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 360 ms 7332 KB Output is correct
8 Correct 369 ms 7344 KB Output is correct
9 Correct 360 ms 7356 KB Output is correct
10 Correct 359 ms 7276 KB Output is correct
11 Correct 366 ms 7296 KB Output is correct
12 Correct 370 ms 7312 KB Output is correct
13 Correct 35 ms 4196 KB Output is correct
14 Correct 24 ms 1480 KB Output is correct
15 Correct 459 ms 8384 KB Output is correct
16 Correct 469 ms 8328 KB Output is correct
17 Correct 460 ms 8496 KB Output is correct
18 Correct 35 ms 4172 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 324 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 2 ms 712 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 304 ms 5372 KB Output is correct
18 Correct 306 ms 5364 KB Output is correct
19 Correct 309 ms 5448 KB Output is correct
20 Correct 319 ms 5344 KB Output is correct
21 Correct 327 ms 5376 KB Output is correct
22 Correct 337 ms 5320 KB Output is correct
23 Correct 328 ms 5404 KB Output is correct
24 Correct 387 ms 5344 KB Output is correct
25 Correct 387 ms 5284 KB Output is correct
26 Correct 387 ms 5368 KB Output is correct
27 Correct 408 ms 5472 KB Output is correct
28 Correct 383 ms 5324 KB Output is correct
29 Correct 203 ms 5288 KB Output is correct
30 Correct 214 ms 5244 KB Output is correct
31 Correct 201 ms 5268 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 360 ms 7332 KB Output is correct
39 Correct 369 ms 7344 KB Output is correct
40 Correct 360 ms 7356 KB Output is correct
41 Correct 359 ms 7276 KB Output is correct
42 Correct 366 ms 7296 KB Output is correct
43 Correct 370 ms 7312 KB Output is correct
44 Correct 35 ms 4196 KB Output is correct
45 Correct 24 ms 1480 KB Output is correct
46 Correct 459 ms 8384 KB Output is correct
47 Correct 469 ms 8328 KB Output is correct
48 Correct 460 ms 8496 KB Output is correct
49 Correct 35 ms 4172 KB Output is correct
50 Correct 369 ms 9452 KB Output is correct
51 Correct 363 ms 9412 KB Output is correct
52 Correct 394 ms 9676 KB Output is correct
53 Correct 446 ms 9432 KB Output is correct
54 Correct 449 ms 9428 KB Output is correct
55 Correct 450 ms 9456 KB Output is correct
56 Correct 258 ms 9280 KB Output is correct
57 Correct 241 ms 9276 KB Output is correct
58 Correct 285 ms 9372 KB Output is correct