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Submission #1004312

# Submission time Handle Problem Language Result Execution time Memory
1004312 2024-06-21T07:35:55 Z vjudge1 Horses (IOI15_horses) C++17
17 / 100
 126 ms 107736 KB 
#include "bits/stdc++.h"
#include "horses.h"
#define i64 __int128

using namespace std;

const i64 sz = 5e5 + 25;
const i64 md = 1e9 + 7;

i64 lzm[sz * 4], lzd[sz * 4];
i64 a[sz], b[sz], c[sz];
i64 st[sz * 4];
i64 n;

void build(i64 le, i64 ri, i64 v) {
	if (le == ri) {
		st[v] = c[le] * b[le];
		return;
	}
	i64 mi = le + (ri - le) / 2;
	build(le, mi, v * 2);
	build(mi + 1, ri, v * 2 + 1);
	st[v] = max(st[v * 2], st[v * 2 + 1]);
}

void relax(i64 v) {
	st[v] *= lzm[v];
	st[v] /= lzd[v];
	if (v * 2 < sz * 4) {
		lzm[v * 2] *= lzm[v];
		lzd[v * 2] *= lzd[v];
	}
	if (v * 2 + 1 < sz * 4) {
		lzm[v * 2 + 1] *= lzm[v];
		lzd[v * 2 + 1] *= lzd[v];
	}
	lzm[v] = lzd[v] = 1;
}

void rupdate(i64 le, i64 ri, i64 ql, i64 qr, i64 v, i64 m, i64 d) {
	relax(v);
	if (le > qr || ri < ql) return;
	if (ql <= le && ri <= qr) {
		lzm[v] = m;
		lzd[v] = d;
		relax(v);
		return;
	}
	i64 mi = le + (ri - le) / 2;
	rupdate(le, mi, ql, qr, v * 2, m, d);
	rupdate(mi + 1, ri, ql, qr, v * 2 + 1, m, d);
	st[v] = max(st[v * 2], st[v * 2 + 1]);
}

void pupdate(i64 le, i64 ri, i64 ix, i64 v, i64 m, i64 d) {
	relax(v);
	if (le > ix || ri < ix) return;
	if (le == ix && ix == ri) {
		st[v] *= m;
		st[v] /= d;
		return;
	}
	i64 mi = le + (ri - le) / 2;
	pupdate(le, mi, ix, v * 2, m, d);
	pupdate(mi + 1, ri, ix, v * 2 + 1, m, d);
	st[v] = max(st[v * 2], st[v * 2 + 1]);
}

i64 query(i64 le, i64 ri, i64 ql, i64 qr, i64 v) {
	relax(v);
	if (le > qr || ri < ql) {
		return 0;
	}
	if (ql <= le && ri <= qr) {
		return st[v];
	}
	i64 mi = le + (ri - le) / 2;
	i64 lq = query(le, mi, ql, qr, v * 2);
	i64 rq = query(mi + 1, ri, ql, qr, v * 2 + 1);
	return max(lq, rq);
}

int init(int N, int X[], int Y[]) {
	c[0] = 1;
	n = N;

	for (int i = 1; i <= N; i ++) {
		c[i] = c[i - 1] * X[i - 1];
		a[i] = X[i - 1];
		b[i] = Y[i - 1];
	}

	for (int i = 0; i < sz * 4; i ++) {
		lzm[i] = lzd[i] = 1;
	}

	build(1, N, 1);

	i64 r = query(1, n, 1, n, 1) % md;

	return (int) r;
}

int updateX(int pos, int val) {	
	pos ++;
	rupdate(1, n, pos, n, 1, val, a[pos]);
	a[pos] = val;
	i64 r = query(1, n, 1, n, 1) % md;
	return (int) r;
}

int updateY(int pos, int val) {
	pos ++;
	pupdate(1, n, pos, 1, val, b[pos]);
	b[pos] = val;
	i64 r = query(1, n, 1, n, 1) % md;
	return (int) r;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 63068 KB Output is correct
2 Correct 23 ms 62912 KB Output is correct
3 Correct 22 ms 63068 KB Output is correct
4 Correct 23 ms 63068 KB Output is correct
5 Correct 21 ms 63100 KB Output is correct
6 Correct 22 ms 63056 KB Output is correct
7 Correct 22 ms 63068 KB Output is correct
8 Correct 21 ms 63072 KB Output is correct
9 Correct 22 ms 63068 KB Output is correct
10 Correct 20 ms 63028 KB Output is correct
11 Correct 22 ms 63068 KB Output is correct
12 Correct 20 ms 63068 KB Output is correct
13 Correct 21 ms 63064 KB Output is correct
14 Correct 23 ms 63064 KB Output is correct
15 Correct 20 ms 63068 KB Output is correct
16 Correct 21 ms 63068 KB Output is correct
17 Correct 21 ms 63064 KB Output is correct
18 Correct 22 ms 63064 KB Output is correct
19 Correct 24 ms 63068 KB Output is correct
20 Correct 21 ms 63064 KB Output is correct

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 63068 KB Output is correct
2 Correct 20 ms 63064 KB Output is correct
3 Correct 21 ms 63064 KB Output is correct
4 Correct 22 ms 63068 KB Output is correct
5 Correct 22 ms 62972 KB Output is correct
6 Correct 22 ms 63068 KB Output is correct
7 Correct 23 ms 63068 KB Output is correct
8 Correct 22 ms 63064 KB Output is correct
9 Correct 21 ms 63068 KB Output is correct
10 Correct 20 ms 63068 KB Output is correct
11 Correct 22 ms 63064 KB Output is correct
12 Correct 25 ms 62916 KB Output is correct
13 Correct 24 ms 63068 KB Output is correct
14 Correct 21 ms 63068 KB Output is correct
15 Correct 21 ms 63068 KB Output is correct
16 Correct 21 ms 63068 KB Output is correct
17 Correct 26 ms 63068 KB Output is correct
18 Correct 22 ms 63068 KB Output is correct
19 Correct 22 ms 63064 KB Output is correct
20 Correct 20 ms 62996 KB Output is correct
21 Correct 23 ms 63068 KB Output is correct
22 Correct 23 ms 62996 KB Output is correct
23 Incorrect 22 ms 63068 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 126 ms 107736 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 63068 KB Output is correct
2 Correct 25 ms 62948 KB Output is correct
3 Correct 21 ms 63064 KB Output is correct
4 Correct 21 ms 63032 KB Output is correct
5 Correct 21 ms 63068 KB Output is correct
6 Correct 21 ms 62908 KB Output is correct
7 Correct 20 ms 63068 KB Output is correct
8 Correct 22 ms 63064 KB Output is correct
9 Correct 20 ms 63320 KB Output is correct
10 Correct 20 ms 63068 KB Output is correct
11 Correct 23 ms 63064 KB Output is correct
12 Correct 23 ms 63064 KB Output is correct
13 Correct 25 ms 63056 KB Output is correct
14 Correct 21 ms 63064 KB Output is correct
15 Correct 22 ms 63068 KB Output is correct
16 Correct 23 ms 63028 KB Output is correct
17 Correct 21 ms 63076 KB Output is correct
18 Correct 22 ms 63068 KB Output is correct
19 Correct 21 ms 63068 KB Output is correct
20 Correct 21 ms 63068 KB Output is correct
21 Correct 21 ms 63064 KB Output is correct
22 Correct 22 ms 63068 KB Output is correct
23 Incorrect 23 ms 63056 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 63068 KB Output is correct
2 Correct 21 ms 62908 KB Output is correct
3 Correct 21 ms 63068 KB Output is correct
4 Correct 21 ms 63068 KB Output is correct
5 Correct 22 ms 63068 KB Output is correct
6 Correct 21 ms 63068 KB Output is correct
7 Correct 21 ms 62872 KB Output is correct
8 Correct 25 ms 63064 KB Output is correct
9 Correct 21 ms 63064 KB Output is correct
10 Correct 21 ms 63056 KB Output is correct
11 Correct 22 ms 62992 KB Output is correct
12 Correct 21 ms 63068 KB Output is correct
13 Correct 28 ms 63068 KB Output is correct
14 Correct 21 ms 63320 KB Output is correct
15 Correct 22 ms 62972 KB Output is correct
16 Correct 20 ms 63068 KB Output is correct
17 Correct 21 ms 63056 KB Output is correct
18 Correct 21 ms 63060 KB Output is correct
19 Correct 21 ms 63068 KB Output is correct
20 Correct 20 ms 63072 KB Output is correct
21 Correct 21 ms 63068 KB Output is correct
22 Correct 21 ms 63072 KB Output is correct
23 Incorrect 22 ms 63060 KB Output isn't correct
24 Halted 0 ms 0 KB -