oj.uz

Submission #361133

# Submission time Handle Problem Language Result Execution time Memory
361133 2021-01-28T11:27:11 Z NachoLibre Horses (IOI15_horses) C++17
100 / 100
 620 ms 64876 KB 
#include <bits/stdc++.h>
using namespace std;
#ifndef wambule
#include "horses.h"
#else
#endif

const int mod = 1e9 + 7;
const int MXY = 1e9;

int MG(int a, int b) {
	return 1ll * a * b % mod;
}

int G(int a, int b) {
	if(a == -1 || b == -1) return -1;
	if(1ll * a * b > MXY) return -1;
	return a * b;
}

struct ovo {
	ovo *l, *r;
	int a, x, y, xm, ym;
	ovo() {
		l = r = NULL;
		a = x = y = xm = ym = 1;
	}

	int AP() {
		return MG(a, xm);
	}

	void P() {
		if(l == NULL) l = new ovo();
		if(r == NULL) r = new ovo();
		int p = G(l->y, G(r->x, r->a));
		if(p == -1 || p > l->a) {
			a = r->a;
			x = G(l->x, G(l->y, r->x));
			y = r->y;
			xm = MG(l->xm, MG(l->ym, r->xm));
			ym = r->ym;
		} else {
			a = l->a;
			x = l->x;
			y = G(l->y, G(r->x, r->y));
			xm = l->xm;
			ym = MG(l->ym, MG(r->xm, r->ym));
		}
	}

	void C(int vl, int rm) {
		if(rm) a = vl;
		else x = xm = vl, y = ym = 1;
	}
} *rt;

int globn;
void gng(int si, int vl, int rm, int l = 0, int r = globn - 1, ovo *&t = rt) {
	if(t == NULL) t = new ovo();
	int m = (l + r) / 2;
	if(l == r) return t->C(vl, rm);
	else if(m >= si) gng(si, vl, rm, l, m, t->l);
	else gng(si, vl, rm, m + 1, r, t->r);
	return t->P();
}

int updateX(int i, int x) {
	gng(i, x, 0);
	return rt->AP();
}

int updateY(int i, int y) {
	gng(i, y, 1);
	return rt->AP();
}

int init(int n, int x[], int y[]) {
	rt = NULL, globn = n;
	for(int i = 0; i < n; ++i) {
		updateX(i, x[i]);
		updateY(i, y[i]);
	}
	return rt->AP();
}

#ifdef wambule
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	return 0;
}
#endif

Compilation message

horses.cpp: In function 'int MG(int, int)':
horses.cpp:12:21: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   12 |  return 1ll * a * b % mod;
      |         ~~~~~~~~~~~~^~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 2 ms 492 KB Output is correct
24 Correct 2 ms 640 KB Output is correct
25 Correct 2 ms 492 KB Output is correct
26 Correct 2 ms 492 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 2 ms 492 KB Output is correct
32 Correct 2 ms 492 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 477 ms 52180 KB Output is correct
2 Correct 620 ms 64876 KB Output is correct
3 Correct 557 ms 56044 KB Output is correct
4 Correct 573 ms 59844 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 2 ms 492 KB Output is correct
24 Correct 2 ms 492 KB Output is correct
25 Correct 2 ms 492 KB Output is correct
26 Correct 2 ms 492 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 2 ms 492 KB Output is correct
31 Correct 2 ms 492 KB Output is correct
32 Correct 2 ms 492 KB Output is correct
33 Correct 483 ms 55276 KB Output is correct
34 Correct 467 ms 55404 KB Output is correct
35 Correct 478 ms 62188 KB Output is correct
36 Correct 458 ms 62316 KB Output is correct
37 Correct 443 ms 53472 KB Output is correct
38 Correct 422 ms 54252 KB Output is correct
39 Correct 434 ms 53380 KB Output is correct
40 Correct 429 ms 57196 KB Output is correct
41 Correct 470 ms 53500 KB Output is correct
42 Correct 439 ms 53356 KB Output is correct
43 Correct 424 ms 57596 KB Output is correct
44 Correct 419 ms 57728 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 268 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 2 ms 492 KB Output is correct
24 Correct 2 ms 492 KB Output is correct
25 Correct 2 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 2 ms 492 KB Output is correct
31 Correct 2 ms 492 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 470 ms 56044 KB Output is correct
34 Correct 570 ms 64748 KB Output is correct
35 Correct 544 ms 56044 KB Output is correct
36 Correct 583 ms 59884 KB Output is correct
37 Correct 453 ms 55276 KB Output is correct
38 Correct 456 ms 55276 KB Output is correct
39 Correct 479 ms 62372 KB Output is correct
40 Correct 448 ms 62096 KB Output is correct
41 Correct 447 ms 53612 KB Output is correct
42 Correct 427 ms 54352 KB Output is correct
43 Correct 470 ms 53308 KB Output is correct
44 Correct 491 ms 57340 KB Output is correct
45 Correct 453 ms 53404 KB Output is correct
46 Correct 483 ms 53472 KB Output is correct
47 Correct 476 ms 57708 KB Output is correct
48 Correct 424 ms 57580 KB Output is correct
49 Correct 610 ms 57324 KB Output is correct
50 Correct 616 ms 57452 KB Output is correct
51 Correct 500 ms 64236 KB Output is correct
52 Correct 516 ms 63596 KB Output is correct
53 Correct 574 ms 55760 KB Output is correct
54 Correct 480 ms 56172 KB Output is correct
55 Correct 563 ms 54380 KB Output is correct
56 Correct 504 ms 58988 KB Output is correct
57 Correct 496 ms 55148 KB Output is correct
58 Correct 525 ms 55532 KB Output is correct
59 Correct 465 ms 57624 KB Output is correct