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답안 #561639

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
561639 2022-05-13T09:58:36 Z DanShaders Fish 2 (JOI22_fish2) C++17
25 / 100
 4000 ms 3668 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;

namespace x = __gnu_pbds;
template <typename T>
using ordered_set = x::tree<T, x::null_type, less<T>, x::rb_tree_tag, x::tree_order_statistics_node_update>;

template <typename T>
using normal_queue = priority_queue<T, vector<T>, greater<>>;

#define all(x) begin(x), end(x)
#define sz(x) ((int) (x).size())
#define x first
#define y second
using ll = long long;
using ld = long double;

const int N = 1e5 + 10, INF = 0x3f3f3f3f;

int left_[N], right_[N];
ll pref[N];
pair<int, int> go[N];
int balance[N];

int get(int *a, int n) {
	for (int i = 0; i < n; ++i) {
		pref[i + 1] = pref[i] + a[i];
	}
	for (int i = 0; i < n; ++i) {
		left_[i] = i - 1;
		while (left_[i] >= 0 && pair{a[left_[i]], left_[i]} < pair{a[i], i}) {
			left_[i] = left_[left_[i]];
		}
	}
	for (int i = n; i--; ) {
		right_[i] = i + 1;
		while (right_[i] < n && pair{a[right_[i]], right_[i]} < pair{a[i], i}) {
			right_[i] = right_[right_[i]];
		}
	}
	fill(balance, balance + n + 1, 0);
	
	auto ai = [&](int i) {
		if (i < 0 || i >= n) {
			return +INF;
		}
		return a[i];
	};

	for (int i = 0; i < n; ++i) {
		int lef = left_[i], rig = right_[i];
		if (pref[rig] - pref[lef + 1] < min(ai(lef), ai(rig)) && (lef != -1 || rig != n)) {
			++balance[lef + 1];
			--balance[rig];
		}
	}
	int ans = 0;
	for (int i = 0; i < n; ++i) {
		balance[i + 1] += balance[i];
		if (!balance[i]) {
			++ans;
		}
	}
	return ans;
}

int a[N];

signed main() {
	cin.tie(0)->sync_with_stdio(0);
	int n;
	cin >> n;
	for (int i = 0; i < n; ++i) {
		cin >> a[i];
	}
	int queries;
	cin >> queries;
	while (queries--) {
		int type, l, r;
		cin >> type >> l >> r;
		if (type == 1) {
			a[l - 1] = r;
		} else {
			cout << get(a + l - 1, r - l + 1) << "\n";
		}
	}
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 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 2 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 336 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 3 ms 340 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 12 ms 3120 KB Output is correct
3 Correct 10 ms 2956 KB Output is correct
4 Correct 13 ms 3196 KB Output is correct
5 Correct 10 ms 2908 KB Output is correct
6 Correct 15 ms 3540 KB Output is correct
7 Correct 13 ms 2792 KB Output is correct
8 Correct 16 ms 3532 KB Output is correct
9 Correct 10 ms 2760 KB Output is correct
10 Correct 12 ms 3156 KB Output is correct
11 Correct 10 ms 2960 KB Output is correct
12 Correct 13 ms 2928 KB Output is correct
13 Correct 11 ms 2904 KB Output is correct
14 Correct 14 ms 3212 KB Output is correct
15 Correct 13 ms 3156 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 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 2 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 336 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 3 ms 340 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 12 ms 3120 KB Output is correct
23 Correct 10 ms 2956 KB Output is correct
24 Correct 13 ms 3196 KB Output is correct
25 Correct 10 ms 2908 KB Output is correct
26 Correct 15 ms 3540 KB Output is correct
27 Correct 13 ms 2792 KB Output is correct
28 Correct 16 ms 3532 KB Output is correct
29 Correct 10 ms 2760 KB Output is correct
30 Correct 12 ms 3156 KB Output is correct
31 Correct 10 ms 2960 KB Output is correct
32 Correct 13 ms 2928 KB Output is correct
33 Correct 11 ms 2904 KB Output is correct
34 Correct 14 ms 3212 KB Output is correct
35 Correct 13 ms 3156 KB Output is correct
36 Correct 207 ms 3200 KB Output is correct
37 Correct 396 ms 2852 KB Output is correct
38 Correct 430 ms 2892 KB Output is correct
39 Correct 89 ms 2916 KB Output is correct
40 Correct 461 ms 2860 KB Output is correct
41 Correct 654 ms 3532 KB Output is correct
42 Correct 827 ms 3624 KB Output is correct
43 Correct 732 ms 2816 KB Output is correct
44 Correct 866 ms 2772 KB Output is correct
45 Correct 230 ms 3208 KB Output is correct
46 Correct 361 ms 3272 KB Output is correct
47 Correct 485 ms 2928 KB Output is correct
48 Correct 264 ms 2804 KB Output is correct
49 Correct 904 ms 2892 KB Output is correct
50 Correct 370 ms 3224 KB Output is correct
51 Correct 1867 ms 3252 KB Output is correct
52 Correct 1850 ms 3376 KB Output is correct

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 12 ms 3120 KB Output is correct
3 Correct 10 ms 2956 KB Output is correct
4 Correct 13 ms 3196 KB Output is correct
5 Correct 10 ms 2908 KB Output is correct
6 Correct 15 ms 3540 KB Output is correct
7 Correct 13 ms 2792 KB Output is correct
8 Correct 16 ms 3532 KB Output is correct
9 Correct 10 ms 2760 KB Output is correct
10 Correct 12 ms 3156 KB Output is correct
11 Correct 10 ms 2960 KB Output is correct
12 Correct 13 ms 2928 KB Output is correct
13 Correct 11 ms 2904 KB Output is correct
14 Correct 14 ms 3212 KB Output is correct
15 Correct 13 ms 3156 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Execution timed out 4070 ms 3292 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 12 ms 3120 KB Output is correct
3 Correct 10 ms 2956 KB Output is correct
4 Correct 13 ms 3196 KB Output is correct
5 Correct 10 ms 2908 KB Output is correct
6 Correct 15 ms 3540 KB Output is correct
7 Correct 13 ms 2792 KB Output is correct
8 Correct 16 ms 3532 KB Output is correct
9 Correct 10 ms 2760 KB Output is correct
10 Correct 12 ms 3156 KB Output is correct
11 Correct 10 ms 2960 KB Output is correct
12 Correct 13 ms 2928 KB Output is correct
13 Correct 11 ms 2904 KB Output is correct
14 Correct 14 ms 3212 KB Output is correct
15 Correct 13 ms 3156 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Execution timed out 4058 ms 3668 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 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 2 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 336 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 3 ms 340 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 12 ms 3120 KB Output is correct
23 Correct 10 ms 2956 KB Output is correct
24 Correct 13 ms 3196 KB Output is correct
25 Correct 10 ms 2908 KB Output is correct
26 Correct 15 ms 3540 KB Output is correct
27 Correct 13 ms 2792 KB Output is correct
28 Correct 16 ms 3532 KB Output is correct
29 Correct 10 ms 2760 KB Output is correct
30 Correct 12 ms 3156 KB Output is correct
31 Correct 10 ms 2960 KB Output is correct
32 Correct 13 ms 2928 KB Output is correct
33 Correct 11 ms 2904 KB Output is correct
34 Correct 14 ms 3212 KB Output is correct
35 Correct 13 ms 3156 KB Output is correct
36 Correct 207 ms 3200 KB Output is correct
37 Correct 396 ms 2852 KB Output is correct
38 Correct 430 ms 2892 KB Output is correct
39 Correct 89 ms 2916 KB Output is correct
40 Correct 461 ms 2860 KB Output is correct
41 Correct 654 ms 3532 KB Output is correct
42 Correct 827 ms 3624 KB Output is correct
43 Correct 732 ms 2816 KB Output is correct
44 Correct 866 ms 2772 KB Output is correct
45 Correct 230 ms 3208 KB Output is correct
46 Correct 361 ms 3272 KB Output is correct
47 Correct 485 ms 2928 KB Output is correct
48 Correct 264 ms 2804 KB Output is correct
49 Correct 904 ms 2892 KB Output is correct
50 Correct 370 ms 3224 KB Output is correct
51 Correct 1867 ms 3252 KB Output is correct
52 Correct 1850 ms 3376 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Execution timed out 4070 ms 3292 KB Time limit exceeded
55 Halted 0 ms 0 KB -