oj.uz

Submission #1018756

# Submission time Handle Problem Language Result Execution time Memory
1018756 2024-07-10T09:26:31 Z AmirAli_H1 Horses (IOI15_horses) C++17
100 / 100
 140 ms 67116 KB 
// In the name of Allah

#include <bits/stdc++.h>
#include "horses.h"
using namespace std;

typedef		long long int			ll;
typedef		long double				ld;
typedef		pair<int, int>			pii;
typedef		pair<ll, ll>			pll;
typedef		complex<ld>				cld;

#define		all(x)					(x).begin(),(x).end()
#define		len(x)					((ll) (x).size())
#define		F						first
#define		S						second
#define		pb						push_back
#define		sep						' '
#define		endl					'\n'
#define		Mp						make_pair
#define		kill(x)					cout << x << '\n', exit(0)
#define		set_dec(x)				cout << fixed << setprecision(x);
#define		file_io(x,y)			freopen(x, "r", stdin); freopen(y, "w", stdout);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

struct node {
	ll mul, val, valx;
	ll ans, ansx;
};

const int maxn = (1 << 19) + 4;
const int maxlg = 20;
const int mod = 1e9 + 7;
const ll oo = 1e9 + 7;

int n; pll A[maxn];
node t[2 * maxn], ca;
int R; ll valx;

node f(node a, node b) {
	node res;
	res.mul = a.mul * b.mul % mod;
	res.val = min(oo, a.val * b.val);
	res.ans = min(oo, max(a.ans, a.val * b.ans));
	res.valx = a.valx * b.valx;
	res.ansx = max(a.ansx, a.valx * b.ansx);
	return res;
}

void build(int v, int tl, int tr) {
	if (tr - tl == 1) {
		t[v].mul = A[tl].F; t[v].val = A[tl].F; t[v].valx = A[tl].F;
		t[v].ans = min(oo, A[tl].F * A[tl].S);
		t[v].ansx = A[tl].F * A[tl].S;
		return ;
	}
	int mid = (tl + tr) / 2;
	build(2 * v + 1, tl, mid); build(2 * v + 2, mid, tr);
	t[v] = f(t[2 * v + 1], t[2 * v + 2]);
}

void upd(int v, int tl, int tr, int i) {
	if (i >= tr || i < tl) return ;
	if (tr - tl == 1) {
		t[v].mul = A[tl].F; t[v].val = A[tl].F; t[v].valx = A[tl].F;
		t[v].ans = min(oo, A[tl].F * A[tl].S);
		t[v].ansx = A[tl].F * A[tl].S;
		return ;
	}
	int mid = (tl + tr) / 2;
	upd(2 * v + 1, tl, mid, i); upd(2 * v + 2, mid, tr, i);
	t[v] = f(t[2 * v + 1], t[2 * v + 2]);
}

pll get_ind(int v, int tl, int tr) {
	node res = ca;
	while (tr - tl > 1) {
		int mid = (tl + tr) / 2;
		node resx = f(t[2 * v + 2], res);
		if (resx.ans < oo) {
			res = resx;
			v = 2 * v + 1; tr = mid;
		}
		else {
			v = 2 * v + 2; tl = mid;
		}
	}
	res = f(t[v], res);
	return Mp(tl, res.ansx);
}

ll get_mul(int v, int tl, int tr, int l, int r) {
	l = max(l, tl); r = min(r, tr);
	if (l >= tr || r <= tl) return ca.mul;
	if (l == tl && r == tr) return t[v].mul;
	int mid = (tl + tr) / 2;
	return get_mul(2 * v + 1, tl, mid, l, r) * get_mul(2 * v + 2, mid, tr, l, r) % mod;
}

ll get_ans(int ind) {
	if (ind >= R) {
		auto f = get_ind(0, 0, n);
		R = f.F; valx = f.S % mod;
	}
	return valx * get_mul(0, 0, n, 0, R) % mod;
}

int init(int N, int X[], int Y[]) {
	n = N;
	for (int i = 0; i < n; i++) A[i] = Mp(X[i], Y[i]);
	ca.mul = 1; ca.val = 1; ca.valx = 1;
	ca.ans = 1; ca.ansx = 1;
	build(0, 0, n); R = -1;
	return get_ans(n);
}

int updateX(int i, int val) {
	A[i].F = val;
	upd(0, 0, n, i);
	return get_ans(i);
}

int updateY(int i, int val) {
	A[i].S = val;
	upd(0, 0, n, i);
	return get_ans(i);
}

Compilation message

horses.cpp: In function 'll get_ans(int)':
horses.cpp:15:17: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   15 | #define  F      first
      |                 ^
horses.cpp:103:9: note: in expansion of macro 'F'
  103 |   R = f.F; valx = f.S % mod;
      |         ^
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:114:16: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  114 |  return get_ans(n);
      |         ~~~~~~~^~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:120:16: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  120 |  return get_ans(i);
      |         ~~~~~~~^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:126:16: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  126 |  return get_ans(i);
      |         ~~~~~~~^~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2392 KB Output is correct
15 Correct 1 ms 2492 KB Output is correct
16 Correct 0 ms 2392 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2424 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2392 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2532 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 54100 KB Output is correct
2 Correct 134 ms 54096 KB Output is correct
3 Correct 105 ms 57952 KB Output is correct
4 Correct 121 ms 61776 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 0 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2648 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2392 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2512 KB Output is correct
33 Correct 46 ms 57248 KB Output is correct
34 Correct 46 ms 57168 KB Output is correct
35 Correct 66 ms 64124 KB Output is correct
36 Correct 65 ms 64084 KB Output is correct
37 Correct 40 ms 55376 KB Output is correct
38 Correct 38 ms 56148 KB Output is correct
39 Correct 31 ms 55132 KB Output is correct
40 Correct 52 ms 59224 KB Output is correct
41 Correct 35 ms 55120 KB Output is correct
42 Correct 35 ms 55384 KB Output is correct
43 Correct 46 ms 59380 KB Output is correct
44 Correct 45 ms 59476 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2472 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2648 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 1 ms 2512 KB Output is correct
24 Correct 1 ms 2392 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 1 ms 2392 KB Output is correct
30 Correct 1 ms 2392 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 79 ms 57820 KB Output is correct
34 Correct 140 ms 67116 KB Output is correct
35 Correct 104 ms 57936 KB Output is correct
36 Correct 120 ms 61820 KB Output is correct
37 Correct 43 ms 57168 KB Output is correct
38 Correct 45 ms 57168 KB Output is correct
39 Correct 65 ms 64080 KB Output is correct
40 Correct 63 ms 64084 KB Output is correct
41 Correct 37 ms 55376 KB Output is correct
42 Correct 39 ms 56196 KB Output is correct
43 Correct 31 ms 55252 KB Output is correct
44 Correct 49 ms 59220 KB Output is correct
45 Correct 30 ms 55120 KB Output is correct
46 Correct 33 ms 55532 KB Output is correct
47 Correct 45 ms 59476 KB Output is correct
48 Correct 43 ms 59472 KB Output is correct
49 Correct 107 ms 59216 KB Output is correct
50 Correct 108 ms 59228 KB Output is correct
51 Correct 108 ms 66004 KB Output is correct
52 Correct 104 ms 65360 KB Output is correct
53 Correct 100 ms 57424 KB Output is correct
54 Correct 82 ms 57936 KB Output is correct
55 Correct 61 ms 56148 KB Output is correct
56 Correct 94 ms 61008 KB Output is correct
57 Correct 62 ms 56964 KB Output is correct
58 Correct 68 ms 57256 KB Output is correct
59 Correct 45 ms 59472 KB Output is correct