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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#417741#3276. 出题高手K8He0 187ms25044kbC++202.5kb2024-05-22 21:32:372024-05-22 21:32:39

Judging History

你现在查看的是最新测评结果

  • [2024-05-22 21:32:39]
  • 评测
  • 测评结果:0
  • 用时:187ms
  • 内存:25044kb
  • [2024-05-22 21:32:37]
  • 提交

answer

#include <bits/stdc++.h>
#define _for(i, a, b) for (int i = a; i <= b; ++i)
#define for_(i, a, b) for (int i = a; i >= b; --i)
#define far(i, vec) for (auto i : vec)
#define bdmd int mid = (l + r) >> 1
typedef long double ldb;
typedef long long ll;
typedef double db;
typedef std::pair <int, int> pii;
typedef std::pair <ll, ll> pll;
namespace IO {
	int rnt () {
		int x = 0, w = 1; char c = getchar ();
		while (!isdigit (c)) { if (c == '-') w = -1; c = getchar (); }
		while (isdigit (c)) x = (x << 3) + (x << 1) + (c ^ 48), c = getchar ();
		return x * w;
	}
}
const int N = 1e5 + 10, K = 20;
namespace SEGMENT_TREE {
	class SegmentTree {
	private:
		int max[N << 2];

#define ls(p) (p << 1)
#define rs(p) (p << 1 | 1)
#define _ls(p) (p << 1), l, mid
#define _rs(p) (p << 1 | 1), mid + 1, r

		void PushUp (int p) { max[p] = std::max (max[ls (p)], max[rs (p)]); return; }
	public:
		void UpdP (int p, int l, int r, int x, int val) {
			max[p] = std::max (max[p], val);
			if (l != r) {
				bdmd;
				if (x <= mid) UpdP (_ls (p), x, val);
				else UpdP (_rs (p), x, val);
			}
			return;
		}
		int QueR (int p, int l, int r, int le, int ri) {
			if (ri < l || r < le) return 0;
			if (le <= l && r <= ri) return max[p];
			else {
				bdmd;
				int ansl = QueR (_ls (p), le, ri);
				int ansr = QueR (_rs (p), le, ri);
				return std::max (ansl, ansr);
			}
		}
	};
}
namespace SOLVE {
	using namespace IO;
	class Frac {
	public:
		int a, b;
		Frac () = default;
		void sim () {
			int g = std::__gcd (a, b);
			if (g) a /= g, b /= g;
			return;
		}
		Frac (int a, int b) : a (a), b (b) { sim (); }
		friend bool operator < (Frac a, Frac b) {
			return 1ll * a.a * b.b < 1ll * b.a * a.b;
		}
		ldb operator () () { return 1.0l * a / b; }
		ldb operator () () const { return 1.0l * a / b; }
	};
	int n, a[N], sum[N], q;
	SEGMENT_TREE::SegmentTree tr[K];
	void In () {
		n = rnt ();
		_for (i, 1, n) {
			a[i] = rnt ();
			sum[i] = sum[i - 1] + a[i];
		}
		return;
	}
	void Solve () {
		_for (k, 0, K - 1) _for (i, 1, n - k)
			tr[k].UpdP (1, 1, n, i, std::abs (sum[i + k] - sum[i - 1]));
		return;
	}
	void Out () {
		q = rnt ();
		_for (i, 1, q) {
			int l = rnt (), r = rnt ();
			Frac ans (0, 1);
			_for (k, 0, K - 1) {
				if (l + k > r) break;
				int x = tr[k].QueR (1, 1, n, l, r - k);
				ans = std::max (ans, Frac (x * x, k + 1));
			}
			printf ("%d %d\n", ans.a, ans.b);
		}
		return;
	}
}
int main () {
#ifndef ONLINE_JUDGE
	freopen ("data.in", "r", stdin);
	// freopen ("data.out", "w", stdout);
#endif
	SOLVE::In ();
	SOLVE::Solve ();
	SOLVE::Out ();
	return 0;
} /*

*/

详细

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 187ms
memory: 4200kb

input:

2000
-113 314 -664 697 211 -199 -38 -190 8 -661 910 -811 -113 942 77 433 -261 -368 129 -525 968 -608 -21 38 -562 438 -935 -228 220 333 985 -430 916 586 764 476 794 664 383 503 206 -60 380 -130 -988 -904 -996 -304 -286 31 114 119 850 -942 714 -369 -842 250 -192 -462 -727 -427 -602 126 231 718 121 559...

output:

4780232 1
14638276 7
1185921 1
24612128 9
6310144 3
12545764 5
3362000 1
23068809 8
23068809 8
12545764 5
1444908 1
5424241 3
1083603 1
2140369 1
2752281 2
3095072 1
3003289 2
4959529 2
17106496 13
4780232 1
2798929 1
8543929 4
1817793 1
5094049 2
12545764 5
8543929 4
35688676 11
3775249 1
26977636 ...

result:

wrong answer 1st numbers differ - expected: '54826875', found: '4780232'

Subtask #2:

score: 0
Wrong Answer

Test #6:

score: 0
Wrong Answer
time: 83ms
memory: 25044kb

input:

100000
754 792 -680 426 425 347 481 -690 530 378 73 -907 -431 45 -530 -552 440 -890 -15 712 695 -679 -310 13 718 805 193 -291 -877 -74 -355 511 -679 -395 166 -710 -657 -19 874 26 832 507 854 -289 700 -404 472 -302 -977 8 -698 40 766 705 369 838 700 -964 552 -535 -75 -608 -181 -503 468 447 772 904 -2...

output:

50282281 8

result:

wrong answer 1st numbers differ - expected: '466344025', found: '50282281'

Subtask #3:

score: 0
Wrong Answer

Test #11:

score: 0
Wrong Answer
time: 0ms
memory: 4620kb

input:

500000
794 -75 -596 -322 -945 -908 -609 -164 488 626 -877 -710 140 -120 -475 -837 738 669 634 -643 -682 667 816 -785 -608 -836 -860 -932 242 70 -620 268 -121 288 209 -392 732 750 558 -480 565 327 -217 -891 767 211 -690 -66 813 -889 952 615 432 19 411 800 678 718 522 422 940 -510 -544 449 -357 640 40...

output:

0 1
0 1
0 1
0 1
42367081 11
15312500 3
15312500 3
0 1
0 1
15312500 3
15312500 3
0 1
15312500 3
0 1
0 1
0 1
0 1
0 1
15312500 3
42367081 11
15312500 3
0 1
0 1
13498276 3
0 1
15312500 3
0 1
15312500 3
0 1
42367081 11
13498276 3
0 1
0 1
0 1
0 1
0 1
0 1
0 1
15312500 3
15312500 3
0 1
15312500 3
0 1
153125...

result:

wrong answer 1st numbers differ - expected: '1878442281', found: '0'

Subtask #4:

score: 0
Wrong Answer

Test #16:

score: 0
Wrong Answer
time: 109ms
memory: 24992kb

input:

100000
-496 -233 354 -632 -196 177 -878 -255 -19 -636 685 -70 101 -975 -406 -988 -965 -205 563 -766 763 511 -116 -746 -129 14 106 928 -457 -257 -283 226 3 899 -359 -792 615 490 -57 986 -243 624 -239 931 -555 -821 -72 -611 -380 -397 248 -132 956 -195 -322 -231 319 -214 837 -379 -931 -301 -4 -673 280 ...

output:

35904338 7
13957947 4
67914081 16
33243858 7
10885778 3
27836176 7
50680161 11
52128400 17
59182249 15
2411809 2
2835045 1
14017536 5
18498601 6
3256352 1
28100601 11
17546888 5
23396569 6
21762225 7
4012009 3
2661336 1
48483369 13
3474284 1
61496964 19
3672245 1
6120676 3
7573504 3
14891881 5
85747...

result:

wrong answer 1st numbers differ - expected: '1352474176', found: '35904338'

Subtask #5:

score: 0
Time Limit Exceeded

Test #31:

score: 0
Time Limit Exceeded

input:

100000
139 -485 -497 -818 254 169 -560 22 377 -67 -243 -75 743 -788 -676 -26 -775 371 576 -303 54 733 422 800 445 687 479 -16 -288 259 783 -586 912 616 439 -416 676 -555 172 659 501 -868 337 22 -60 260 603 -982 -149 466 769 -595 -117 949 -544 904 753 20 776 175 -888 937 -792 -647 -615 59 -298 452 -6...

output:

96000804 17
3916125 1
4343056 1
23049601 8
19713600 7
62900761 15
46076944 15
6620329 2
3775805 1
7868025 4
20659592 7
66569281 16
3354050 1
48818169 10
16370116 5
44129449 10
62837329 19
10975969 2
2958400 1
6786025 2
2683044 1
3323047 1
83631025 17
10329796 3
78198649 18
7840000 3
22791076 5
65076...

result: