oj.uz

Submission #164451

# Submission time Handle Problem Language Result Execution time Memory
164451 2019-11-20T17:07:32 Z kostia244 Wall (IOI14_wall) C++17
61 / 100
 3000 ms 118008 KB 
#include "wall.h"
#include<bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define pb push_back
using namespace std;
struct node {
	int mn = 2e9, mx = 0, ord = 1;
	void push(int x, int a) {
		if (a == 1) { //mn
			ord = 1;
			mn = min(mn, x);
			mx = min(mx, mn);
		} else {
			ord = 0;
			mx = max(mx, x);
			mn = max(mn, mx);
		}
	}
	int eval() {
		if (ord == 0) {

			if(mn == 2e9) mn = 0;
			return max(mn, mx);
		}
		return min(mn, mx);
	}
};
node merge(node a, node b) {
	if (b.ord == 1) {
		a.push(b.mx, 0);
		a.push(b.mn, 1);
	} else {
		a.push(b.mn, 1);
		a.push(b.mx, 0);
	}
	return a;
}
vector<node> tree;
void push(int v, int l, int r) {
	if(l==r) return;
	tree[v<<1] = merge(tree[v<<1], tree[v]);
	tree[v<<1|1] = merge(tree[v<<1|1], tree[v]);
	tree[v] = node();
}
int get(int v, int l, int r, int i) {
	push(v, l, r);
	if (l > i || r < i)
		return 0;
	if (l == r)
		return tree[v].eval();
	int mid = (l + r) >> 1;
	return get(v << 1, l, mid, i) + get(v << 1 | 1, mid + 1, r, i);
}
void upd(int v, int l, int r, int ql, int qr, int x, int a) {
	push(v, l, r);
	if (r < ql || l > qr)
		return;
	if (ql <= l && r <= qr) {
//		cout << l << " " << r << " " << tree[v].eval() << "\n";
		tree[v].push(x, a);
//		cout << l << " " << r << " " << x << " " << a << " " << tree[v].ord << "\n";
		push(v, l, r);
		return;
	}
	int mid = (l + r) >> 1;
	upd(v << 1, l, mid, ql, qr, x, a);
	upd(v << 1 | 1, mid + 1, r, ql, qr, x, a);
}
void buildWall(int n, int k, int op[], int l[], int r[], int h[], int fh[]) {
	tree.resize(4*n + 100);
	for(int i = 0; i < k; i++) {
		upd(1, 0, n-1, l[i], r[i], h[i], (op[i]-1));
//		cout <<"======\n";
	}
	for(int i = 0; i < n; i++)
		fh[i] = get(1, 0, n-1, i);
	return;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 4 ms 376 KB Output is correct
4 Correct 20 ms 1144 KB Output is correct
5 Correct 18 ms 1020 KB Output is correct
6 Correct 18 ms 1144 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 171 ms 14040 KB Output is correct
3 Correct 437 ms 8352 KB Output is correct
4 Correct 1343 ms 23092 KB Output is correct
5 Correct 785 ms 24256 KB Output is correct
6 Correct 767 ms 22624 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 4 ms 376 KB Output is correct
4 Correct 19 ms 1016 KB Output is correct
5 Correct 19 ms 1020 KB Output is correct
6 Correct 18 ms 1016 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 173 ms 13944 KB Output is correct
9 Correct 439 ms 8312 KB Output is correct
10 Correct 1332 ms 23032 KB Output is correct
11 Correct 773 ms 24268 KB Output is correct
12 Correct 767 ms 22656 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 174 ms 13944 KB Output is correct
15 Correct 79 ms 2300 KB Output is correct
16 Correct 1347 ms 23388 KB Output is correct
17 Correct 794 ms 22824 KB Output is correct
18 Correct 774 ms 22888 KB Output is correct

Subtask #4
0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 4 ms 376 KB Output is correct
4 Correct 19 ms 1144 KB Output is correct
5 Correct 19 ms 1016 KB Output is correct
6 Correct 18 ms 1148 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 173 ms 13916 KB Output is correct
9 Correct 479 ms 8540 KB Output is correct
10 Correct 1337 ms 23032 KB Output is correct
11 Correct 815 ms 24184 KB Output is correct
12 Correct 768 ms 22620 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 173 ms 14044 KB Output is correct
15 Correct 91 ms 2400 KB Output is correct
16 Correct 1338 ms 23396 KB Output is correct
17 Correct 771 ms 22948 KB Output is correct
18 Correct 770 ms 22828 KB Output is correct
19 Execution timed out 3064 ms 118008 KB Time limit exceeded
20 Halted 0 ms 0 KB -