답안 #767632

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
767632	2023-06-27T00:20:37 Z	ThegeekKnight16	말 (IOI15_horses)	C++17	100 / 100	175 ms	103944 KB

horses

#include <bits/stdc++.h>
#include "horses.h"
using namespace std;
typedef long long ll;
const int MAXN = 5e5 + 10;
const ll MOD = 1e9 + 7;
ll X[MAXN], Y[MAXN];

inline ll mult(ll a, ll b) {return (a * b) % MOD;}
inline ll mult(ll a, ll b, ll c) {return (mult(a, b)*c) % MOD;}
ll exp(ll x, ll b)
{
	if (b == 0) return 1LL;
	if (b % 2) return mult(x, exp(x, b-1));
	else return exp(mult(x, x), b/2);
}

int N;
struct node
{
	ll prefX, sufX, y;
	bool bigPref;
	ll val;

	node (ll PX = 0, ll SX = 0, ll YY = 0, bool BIG = false) : prefX(PX), sufX(SX), y(YY), bigPref(BIG) {val = mult(prefX, y);}

	node operator+(node outro)
	{
		node resp;
		if (outro.y >= y || outro.bigPref || outro.prefX >= y || (sufX * outro.prefX) >= y || (sufX * outro.prefX * outro.y) >= y)
			resp = node( mult(prefX, sufX, outro.prefX), outro.sufX, outro.y, bigPref || outro.bigPref || (prefX * sufX) >= MOD || (prefX * sufX * outro.prefX) >= MOD );
		else resp = node(prefX, mult(sufX, outro.prefX, outro.sufX), y, bigPref);
		return resp;
	}
} seg[4*MAXN];

void build(int pos, int ini, int fim)
{
	if (ini == fim)
	{
		seg[pos] = node(X[ini], 1, Y[ini]);
		return;
	}
	int m = (ini + fim) >> 1;
	int e = 2*pos; int d = 2*pos + 1;
	build(e, ini,  m );
	build(d, m+1, fim);
	seg[pos] = seg[e] + seg[d];
}

void segUpdate(int pos, int ini, int fim, int id)
{
	if (id < ini || id > fim) return;
	if (ini == fim)
	{
		seg[pos] = node(X[ini], 1, Y[ini]);
		return;
	}
	int m = (ini + fim) >> 1;
	int e = 2*pos; int d = 2*pos + 1;
	segUpdate(e, ini,  m , id);
	segUpdate(d, m+1, fim, id);
	seg[pos] = seg[e] + seg[d];
}


int init(int _N, int _X[], int _Y[])
{
	N = _N;
	for (int i = 1; i <= N; i++) X[i] = _X[i-1], Y[i] = _Y[i-1];
	build(1, 1, N);

	return (int)seg[1].val;
}

int updateX(int id, int _val)
{
	++id;
	X[id] = _val;
	segUpdate(1, 1, N, id);
	return (int)seg[1].val;
}

int updateY(int id, int _val)
{
	++id;
	Y[id] = _val;
	segUpdate(1, 1, N, id);
	return (int)seg[1].val;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	30 ms	78548 KB	Output is correct
2	Correct	28 ms	78576 KB	Output is correct
3	Correct	28 ms	78468 KB	Output is correct
4	Correct	29 ms	78572 KB	Output is correct
5	Correct	36 ms	78608 KB	Output is correct
6	Correct	28 ms	78580 KB	Output is correct
7	Correct	28 ms	78564 KB	Output is correct
8	Correct	28 ms	78568 KB	Output is correct
9	Correct	29 ms	78548 KB	Output is correct
10	Correct	34 ms	78568 KB	Output is correct
11	Correct	29 ms	78600 KB	Output is correct
12	Correct	28 ms	78548 KB	Output is correct
13	Correct	28 ms	78492 KB	Output is correct
14	Correct	28 ms	78568 KB	Output is correct
15	Correct	29 ms	78548 KB	Output is correct
16	Correct	28 ms	78516 KB	Output is correct
17	Correct	28 ms	78540 KB	Output is correct
18	Correct	29 ms	78540 KB	Output is correct
19	Correct	29 ms	78572 KB	Output is correct
20	Correct	30 ms	78548 KB	Output is correct

Subtask #2

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	30 ms	78532 KB	Output is correct
2	Correct	29 ms	78476 KB	Output is correct
3	Correct	29 ms	78580 KB	Output is correct
4	Correct	32 ms	78468 KB	Output is correct
5	Correct	30 ms	78572 KB	Output is correct
6	Correct	29 ms	78584 KB	Output is correct
7	Correct	30 ms	78508 KB	Output is correct
8	Correct	30 ms	78484 KB	Output is correct
9	Correct	29 ms	78568 KB	Output is correct
10	Correct	30 ms	78512 KB	Output is correct
11	Correct	30 ms	78564 KB	Output is correct
12	Correct	30 ms	78544 KB	Output is correct
13	Correct	30 ms	78584 KB	Output is correct
14	Correct	29 ms	78576 KB	Output is correct
15	Correct	30 ms	78580 KB	Output is correct
16	Correct	30 ms	78540 KB	Output is correct
17	Correct	30 ms	78604 KB	Output is correct
18	Correct	29 ms	78584 KB	Output is correct
19	Correct	29 ms	78576 KB	Output is correct
20	Correct	30 ms	78504 KB	Output is correct
21	Correct	29 ms	78548 KB	Output is correct
22	Correct	30 ms	78532 KB	Output is correct
23	Correct	30 ms	78568 KB	Output is correct
24	Correct	31 ms	78576 KB	Output is correct
25	Correct	31 ms	78608 KB	Output is correct
26	Correct	30 ms	78608 KB	Output is correct
27	Correct	30 ms	78572 KB	Output is correct
28	Correct	30 ms	78616 KB	Output is correct
29	Correct	30 ms	78568 KB	Output is correct
30	Correct	30 ms	78588 KB	Output is correct
31	Correct	30 ms	78548 KB	Output is correct
32	Correct	32 ms	78548 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	88 ms	91296 KB	Output is correct
2	Correct	161 ms	103884 KB	Output is correct
3	Correct	145 ms	94984 KB	Output is correct
4	Correct	154 ms	98892 KB	Output is correct

Subtask #4

23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	30 ms	78496 KB	Output is correct
2	Correct	31 ms	78496 KB	Output is correct
3	Correct	33 ms	78612 KB	Output is correct
4	Correct	31 ms	78572 KB	Output is correct
5	Correct	31 ms	78540 KB	Output is correct
6	Correct	30 ms	78564 KB	Output is correct
7	Correct	30 ms	78540 KB	Output is correct
8	Correct	31 ms	78460 KB	Output is correct
9	Correct	30 ms	78504 KB	Output is correct
10	Correct	31 ms	78548 KB	Output is correct
11	Correct	31 ms	78548 KB	Output is correct
12	Correct	31 ms	78548 KB	Output is correct
13	Correct	30 ms	78548 KB	Output is correct
14	Correct	34 ms	78488 KB	Output is correct
15	Correct	30 ms	78568 KB	Output is correct
16	Correct	31 ms	78580 KB	Output is correct
17	Correct	30 ms	78508 KB	Output is correct
18	Correct	31 ms	78508 KB	Output is correct
19	Correct	30 ms	78532 KB	Output is correct
20	Correct	30 ms	78552 KB	Output is correct
21	Correct	30 ms	78524 KB	Output is correct
22	Correct	30 ms	78584 KB	Output is correct
23	Correct	31 ms	78520 KB	Output is correct
24	Correct	33 ms	78596 KB	Output is correct
25	Correct	31 ms	78580 KB	Output is correct
26	Correct	31 ms	78588 KB	Output is correct
27	Correct	36 ms	78576 KB	Output is correct
28	Correct	30 ms	78540 KB	Output is correct
29	Correct	29 ms	78608 KB	Output is correct
30	Correct	31 ms	78532 KB	Output is correct
31	Correct	29 ms	78548 KB	Output is correct
32	Correct	30 ms	78580 KB	Output is correct
33	Correct	67 ms	94332 KB	Output is correct
34	Correct	67 ms	94236 KB	Output is correct
35	Correct	82 ms	101244 KB	Output is correct
36	Correct	85 ms	101272 KB	Output is correct
37	Correct	58 ms	92420 KB	Output is correct
38	Correct	59 ms	93300 KB	Output is correct
39	Correct	54 ms	92308 KB	Output is correct
40	Correct	68 ms	96224 KB	Output is correct
41	Correct	58 ms	92360 KB	Output is correct
42	Correct	53 ms	92476 KB	Output is correct
43	Correct	67 ms	96684 KB	Output is correct
44	Correct	72 ms	96680 KB	Output is correct

Subtask #5

23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	78548 KB	Output is correct
2	Correct	31 ms	78548 KB	Output is correct
3	Correct	34 ms	78560 KB	Output is correct
4	Correct	31 ms	78584 KB	Output is correct
5	Correct	30 ms	78472 KB	Output is correct
6	Correct	30 ms	78576 KB	Output is correct
7	Correct	35 ms	78464 KB	Output is correct
8	Correct	30 ms	78584 KB	Output is correct
9	Correct	30 ms	78548 KB	Output is correct
10	Correct	30 ms	78488 KB	Output is correct
11	Correct	31 ms	78528 KB	Output is correct
12	Correct	31 ms	78676 KB	Output is correct
13	Correct	30 ms	78568 KB	Output is correct
14	Correct	30 ms	78568 KB	Output is correct
15	Correct	33 ms	78668 KB	Output is correct
16	Correct	30 ms	78488 KB	Output is correct
17	Correct	30 ms	78512 KB	Output is correct
18	Correct	32 ms	78456 KB	Output is correct
19	Correct	30 ms	78588 KB	Output is correct
20	Correct	35 ms	78564 KB	Output is correct
21	Correct	30 ms	78576 KB	Output is correct
22	Correct	30 ms	78564 KB	Output is correct
23	Correct	30 ms	78548 KB	Output is correct
24	Correct	31 ms	78560 KB	Output is correct
25	Correct	35 ms	78580 KB	Output is correct
26	Correct	30 ms	78520 KB	Output is correct
27	Correct	30 ms	78548 KB	Output is correct
28	Correct	30 ms	78552 KB	Output is correct
29	Correct	30 ms	78588 KB	Output is correct
30	Correct	30 ms	78532 KB	Output is correct
31	Correct	30 ms	78580 KB	Output is correct
32	Correct	30 ms	78576 KB	Output is correct
33	Correct	94 ms	95052 KB	Output is correct
34	Correct	175 ms	103944 KB	Output is correct
35	Correct	141 ms	95088 KB	Output is correct
36	Correct	159 ms	98844 KB	Output is correct
37	Correct	72 ms	94320 KB	Output is correct
38	Correct	68 ms	94232 KB	Output is correct
39	Correct	82 ms	101216 KB	Output is correct
40	Correct	84 ms	101188 KB	Output is correct
41	Correct	62 ms	92480 KB	Output is correct
42	Correct	59 ms	93452 KB	Output is correct
43	Correct	53 ms	92360 KB	Output is correct
44	Correct	67 ms	96240 KB	Output is correct
45	Correct	52 ms	92376 KB	Output is correct
46	Correct	53 ms	92484 KB	Output is correct
47	Correct	65 ms	96688 KB	Output is correct
48	Correct	65 ms	96700 KB	Output is correct
49	Correct	147 ms	96244 KB	Output is correct
50	Correct	152 ms	96320 KB	Output is correct
51	Correct	116 ms	103292 KB	Output is correct
52	Correct	135 ms	102640 KB	Output is correct
53	Correct	143 ms	94656 KB	Output is correct
54	Correct	96 ms	95148 KB	Output is correct
55	Correct	85 ms	93384 KB	Output is correct
56	Correct	102 ms	98044 KB	Output is correct
57	Correct	85 ms	94004 KB	Output is correct
58	Correct	87 ms	94540 KB	Output is correct
59	Correct	64 ms	96684 KB	Output is correct