oj.uz

답안 #629632

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
629632 2022-08-14T19:39:43 Z flappybird Sightseeing in Kyoto (JOI22_kyoto) C++17
100 / 100
 444 ms 17360 KB 
#include <bits/stdc++.h>
#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 101010
#define MAXS 41
#define INF 1000000000000000001
#define MOD 1000000007
#define bb ' '
#define ln '\n'
#define Ln '\n'
int A[MAX];
int B[MAX];
int pra[MAX], nea[MAX];
int prb[MAX], neb[MAX];
struct frac {
	int a, b, ind;
	frac(int a = 0, int b = 1, int ind = 0) :a(a), b(b), ind(ind) {}
};
bool operator<(frac f1, frac f2) { return (1ll * f1.a * f2.b < 1ll * f1.b * f2.a) || ((1ll * f1.a * f2.b == 1ll * f1.b * f2.a) && f1.ind < f2.ind); }
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	int H, W;
	cin >> H >> W;
	int i;
	for (i = 1; i <= H; i++) cin >> A[i];
	for (i = 1; i <= W; i++) cin >> B[i];
	for (i = H; i > 1; i--) pra[i] = i - 1;
	for (i = W; i > 1; i--) prb[i] = i - 1;
	for (i = 1; i < H; i++) nea[i] = i + 1;
	for (i = 1; i < W; i++) neb[i] = i + 1;
	ll ans = 0;
	set<frac> sta, stb;
	for (i = 1; i < H; i++) sta.insert(frac(A[i + 1] - A[i], 1, i));
	for (i = 1; i < W; i++) stb.insert(frac(B[i + 1] - B[i], 1, i));
	int h, w;
	h = H;
	w = W;
	while (1) {
		if (sta.empty() || stb.empty()) {
			if (sta.empty()) ans += 1ll * (W - 1) * A[1];
			if (stb.empty()) ans += 1ll * (H - 1) * B[1];
			break;
		}
		if (*stb.rbegin() < *sta.rbegin()) {
			int k = (*sta.rbegin()).ind;
			int nk = nea[k];
			if (nk == H) {
				ans += 1ll * B[W] * (*sta.rbegin()).b;
				H = k;
				sta.erase(*sta.rbegin());
			}
			else {
				sta.erase(frac(A[nea[nk]] - A[nk], nea[nk] - nk, nk));
				sta.erase(*sta.rbegin());
				sta.emplace(frac(A[nea[nk]] - A[k], nea[nk] - k, k));
				pra[nea[nk]] = k;
				nea[k] = nea[nk];
			}
		}
		else {
			int k = (*stb.rbegin()).ind;
			int nk = neb[k];
			if (nk == W) {
				ans += 1ll * A[H] * (*stb.rbegin()).b;
				W = k;
				stb.erase(*stb.rbegin());
			}
			else {
				stb.erase(frac(B[neb[nk]] - B[nk], neb[nk] - nk, nk));
				stb.erase(*stb.rbegin());
				stb.emplace(frac(B[neb[nk]] - B[k], neb[nk] - k, k));
				prb[neb[nk]] = k;
				neb[k] = neb[nk];
			}
		}
	}
	cout << ans << ln;
}

Compilation message

kyoto.cpp: In function 'int main()':
kyoto.cpp:41:6: warning: variable 'h' set but not used [-Wunused-but-set-variable]
   41 |  int h, w;
      |      ^
kyoto.cpp:41:9: warning: variable 'w' set but not used [-Wunused-but-set-variable]
   41 |  int h, w;
      |         ^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 141 ms 6532 KB Output is correct
5 Correct 57 ms 6256 KB Output is correct
6 Correct 33 ms 2900 KB Output is correct
7 Correct 444 ms 15952 KB Output is correct
8 Correct 390 ms 16076 KB Output is correct
9 Correct 433 ms 15976 KB Output is correct
10 Correct 424 ms 15928 KB Output is correct
11 Correct 135 ms 15908 KB Output is correct
12 Correct 380 ms 15988 KB Output is correct
13 Correct 423 ms 15936 KB Output is correct
14 Correct 220 ms 16052 KB Output is correct
15 Correct 103 ms 16148 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 324 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 328 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct

Subtask #3
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 141 ms 6532 KB Output is correct
33 Correct 57 ms 6256 KB Output is correct
34 Correct 33 ms 2900 KB Output is correct
35 Correct 444 ms 15952 KB Output is correct
36 Correct 390 ms 16076 KB Output is correct
37 Correct 433 ms 15976 KB Output is correct
38 Correct 424 ms 15928 KB Output is correct
39 Correct 135 ms 15908 KB Output is correct
40 Correct 380 ms 15988 KB Output is correct
41 Correct 423 ms 15936 KB Output is correct
42 Correct 220 ms 16052 KB Output is correct
43 Correct 103 ms 16148 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 328 KB Output is correct
46 Correct 1 ms 324 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 0 ms 328 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 136 ms 7756 KB Output is correct
56 Correct 2 ms 340 KB Output is correct
57 Correct 9 ms 1108 KB Output is correct
58 Correct 26 ms 2516 KB Output is correct
59 Correct 391 ms 17140 KB Output is correct
60 Correct 390 ms 17144 KB Output is correct
61 Correct 390 ms 17152 KB Output is correct
62 Correct 408 ms 17164 KB Output is correct
63 Correct 97 ms 16976 KB Output is correct
64 Correct 417 ms 17156 KB Output is correct
65 Correct 384 ms 17156 KB Output is correct
66 Correct 139 ms 17140 KB Output is correct
67 Correct 119 ms 17360 KB Output is correct