oj.uz

Submission #1026964

# Submission time Handle Problem Language Result Execution time Memory
1026964 2024-07-18T15:27:18 Z socpite Wall (IOI14_wall) C++17
100 / 100
 551 ms 142592 KB 
#include "wall.h"
#include<bits/stdc++.h>
using namespace std;

const int maxn = 2e6+5;
const int mxval = 1e5;

struct phase{
	int ty, h, id;
	phase(int _ty, int _h, int _id): ty(_ty), h(_h), id(_id){};
};
vector<phase> vec[maxn];

set<int> mx[mxval + 5][2];

int st[4*mxval + 20][2];

void edit(int ty, int pos, int l = 0, int r = mxval, int id = 1){
	if(l == r)st[id][ty] = (mx[l][ty].empty() ? 0 : *mx[l][ty].rbegin());
	else {
		int mid = (l+r)>>1;
		if(pos <= mid)edit(ty, pos, l, mid, id<<1);
		else edit(ty, pos, mid+1, r, id<<1|1);
		st[id][ty] = max(st[id<<1][ty], st[id<<1|1][ty]);
	}
}

int query(int lmax = 1, int rmax = 0, int l = 0, int r = mxval, int id = 1){
	if(l == r)return l;
	else {
		int mid = (l+r)>>1;
		if(max(st[id<<1][1], lmax) > max(st[id<<1|1][0], rmax))return query(lmax, max(st[id<<1|1][0], rmax), l, mid, id<<1);
		else return query(max(st[id<<1][1], lmax), rmax, mid+1, r, id<<1|1);
	}
}

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
	for(int i = 0; i < k; i++){
		vec[left[i]].push_back(phase(op[i]-1, height[i], i+2));
		vec[right[i] + 1].push_back(phase(op[i]-1, height[i], i+2));
	}
	for(int i = 0; i < n; i++){
		for(auto v: vec[i]){
			if(mx[v.h][v.ty].find(v.id) != mx[v.h][v.ty].end())mx[v.h][v.ty].erase(v.id);
			else mx[v.h][v.ty].insert(v.id);
			edit(v.ty, v.h);
		}
		finalHeight[i] = query();
	}
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 59736 KB Output is correct
2 Correct 12 ms 60352 KB Output is correct
3 Correct 10 ms 59996 KB Output is correct
4 Correct 14 ms 60244 KB Output is correct
5 Correct 13 ms 58968 KB Output is correct
6 Correct 12 ms 59236 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 59736 KB Output is correct
2 Correct 260 ms 102752 KB Output is correct
3 Correct 155 ms 75076 KB Output is correct
4 Correct 427 ms 98104 KB Output is correct
5 Correct 335 ms 92500 KB Output is correct
6 Correct 308 ms 93268 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 59740 KB Output is correct
2 Correct 11 ms 60392 KB Output is correct
3 Correct 11 ms 59996 KB Output is correct
4 Correct 15 ms 60252 KB Output is correct
5 Correct 14 ms 59000 KB Output is correct
6 Correct 16 ms 58972 KB Output is correct
7 Correct 10 ms 59740 KB Output is correct
8 Correct 252 ms 107964 KB Output is correct
9 Correct 151 ms 78480 KB Output is correct
10 Correct 528 ms 106064 KB Output is correct
11 Correct 346 ms 92612 KB Output is correct
12 Correct 330 ms 93264 KB Output is correct
13 Correct 10 ms 59740 KB Output is correct
14 Correct 253 ms 107952 KB Output is correct
15 Correct 32 ms 63056 KB Output is correct
16 Correct 411 ms 106324 KB Output is correct
17 Correct 324 ms 91196 KB Output is correct
18 Correct 307 ms 91100 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 59736 KB Output is correct
2 Correct 12 ms 60376 KB Output is correct
3 Correct 11 ms 59992 KB Output is correct
4 Correct 14 ms 60252 KB Output is correct
5 Correct 14 ms 58972 KB Output is correct
6 Correct 13 ms 59228 KB Output is correct
7 Correct 9 ms 59740 KB Output is correct
8 Correct 270 ms 108024 KB Output is correct
9 Correct 157 ms 78416 KB Output is correct
10 Correct 457 ms 106048 KB Output is correct
11 Correct 355 ms 92576 KB Output is correct
12 Correct 304 ms 93268 KB Output is correct
13 Correct 10 ms 59740 KB Output is correct
14 Correct 290 ms 107992 KB Output is correct
15 Correct 35 ms 63000 KB Output is correct
16 Correct 442 ms 106308 KB Output is correct
17 Correct 335 ms 91220 KB Output is correct
18 Correct 346 ms 91224 KB Output is correct
19 Correct 500 ms 142592 KB Output is correct
20 Correct 551 ms 140340 KB Output is correct
21 Correct 537 ms 140636 KB Output is correct
22 Correct 483 ms 140020 KB Output is correct
23 Correct 469 ms 140116 KB Output is correct
24 Correct 521 ms 138116 KB Output is correct
25 Correct 448 ms 138180 KB Output is correct
26 Correct 447 ms 140628 KB Output is correct
27 Correct 465 ms 140468 KB Output is correct
28 Correct 474 ms 140016 KB Output is correct
29 Correct 483 ms 138064 KB Output is correct
30 Correct 523 ms 138064 KB Output is correct