oj.uz

Submission #784594

# Submission time Handle Problem Language Result Execution time Memory
784594 2023-07-16T10:34:13 Z FatihSolak Wall (IOI14_wall) C++17
100 / 100
 803 ms 141532 KB 
#include "wall.h"
#include <bits/stdc++.h>
using namespace std;
const int INF = 2e9;
struct SegTree{
	struct node{
		int mini1,mini2;
		int maxi1,maxi2;
		node():mini1(0),mini2(INF),maxi1(0),maxi2(-INF){}
		void setmax(int x){
			if(x <= mini1)
				return;
			mini1 = x;
			if(maxi1 <= x){
				maxi1 = x;
			}
		}
		void setmin(int x){
			if(x >= maxi1)
				return;
			maxi1 = x;
			if(mini1 >= x){
				mini1 = x;
			}
		}		
	};
	node merge(node a,node b){
		if(a.maxi1 == b.maxi1){
			a.maxi2 = max(a.maxi2,b.maxi2);
		}
		else{
			if(a.maxi1 > b.maxi1){
				a.maxi2 = max(a.maxi2,b.maxi1);
			}
			else{
				a.maxi2 = max(a.maxi1,b.maxi2);
				a.maxi1 = b.maxi1;
			}
		}

		if(a.mini1 == b.mini1){
			a.mini2 = min(a.mini2,b.mini2);
		}
		else{
			if(a.mini1 < b.mini1){
				a.mini2 = min(a.mini2,b.mini1);
			}
			else{
				a.mini2 = min(a.mini1,b.mini2);
				a.mini1 = b.mini1;
			}
		}
		return a;
	}
	vector<node> t;
	int n;
	SegTree(int sz){
		n = sz;
		t.assign(4*n,node());
	}
	void push(int v){
		t[v*2].setmax(t[v].mini1);
		t[v*2].setmin(t[v].maxi1);
		t[v*2 + 1].setmax(t[v].mini1);
		t[v*2 + 1].setmin(t[v].maxi1);
	}
	void upd(int v,int tl,int tr,int l,int r,int val,int op){
		if(tr < l || r < tl || (op == 1 && t[v].mini1 >= val) || (op == 2 && t[v].maxi1 <= val)){
			return;
		}
		if(l <= tl && tr <= r && ((op == 1 && t[v].mini2 > val) || (op == 2 && t[v].maxi2 < val))){
			if(op == 1){
				t[v].setmax(val);
			}
			else t[v].setmin(val);
			return;
		}
		push(v);
		int tm = (tl + tr)/2;
		upd(v*2,tl,tm,l,r,val,op);
		upd(v*2 + 1,tm+1,tr,l,r,val,op);
		t[v] = merge(t[v*2],t[v*2+1]);
	}
	int get(int v,int tl,int tr,int pos){
		if(tl == tr){
			return t[v].maxi1;
		}
		push(v);
		int tm = (tl + tr)/2;
		if(pos <= tm){
			return get(v*2,tl,tm,pos);
		}
		return get(v*2+1,tm+1,tr,pos);
	}
	void upd(int l,int r,int val,int op){
		upd(1,0,n-1,l,r,val,op);
	}
	int get(int pos){
		return get(1,0,n-1,pos);
	}
};
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
	SegTree t(n);
	for(int i = 0;i<k;i++){
		t.upd(left[i],right[i],height[i],op[i]);
	}
	for(int i = 0;i<n;i++){
		finalHeight[i] = t.get(i);
	}
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 6 ms 1108 KB Output is correct
5 Correct 5 ms 1108 KB Output is correct
6 Correct 5 ms 1080 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 131 ms 8128 KB Output is correct
3 Correct 61 ms 4776 KB Output is correct
4 Correct 144 ms 14996 KB Output is correct
5 Correct 180 ms 14856 KB Output is correct
6 Correct 173 ms 14808 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 6 ms 1108 KB Output is correct
5 Correct 5 ms 1108 KB Output is correct
6 Correct 7 ms 1108 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 112 ms 8160 KB Output is correct
9 Correct 63 ms 4868 KB Output is correct
10 Correct 147 ms 14804 KB Output is correct
11 Correct 155 ms 14908 KB Output is correct
12 Correct 192 ms 14792 KB Output is correct
13 Correct 1 ms 292 KB Output is correct
14 Correct 113 ms 8136 KB Output is correct
15 Correct 30 ms 1996 KB Output is correct
16 Correct 495 ms 14908 KB Output is correct
17 Correct 259 ms 14912 KB Output is correct
18 Correct 252 ms 14904 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 8 ms 1236 KB Output is correct
5 Correct 5 ms 1080 KB Output is correct
6 Correct 5 ms 1140 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 112 ms 8188 KB Output is correct
9 Correct 56 ms 4852 KB Output is correct
10 Correct 141 ms 14796 KB Output is correct
11 Correct 152 ms 14796 KB Output is correct
12 Correct 169 ms 14848 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 115 ms 8252 KB Output is correct
15 Correct 29 ms 1984 KB Output is correct
16 Correct 483 ms 14896 KB Output is correct
17 Correct 256 ms 14908 KB Output is correct
18 Correct 250 ms 14848 KB Output is correct
19 Correct 772 ms 141260 KB Output is correct
20 Correct 752 ms 141256 KB Output is correct
21 Correct 746 ms 141320 KB Output is correct
22 Correct 732 ms 141260 KB Output is correct
23 Correct 747 ms 141244 KB Output is correct
24 Correct 766 ms 141468 KB Output is correct
25 Correct 766 ms 141296 KB Output is correct
26 Correct 803 ms 141380 KB Output is correct
27 Correct 747 ms 141532 KB Output is correct
28 Correct 727 ms 141296 KB Output is correct
29 Correct 730 ms 141288 KB Output is correct
30 Correct 776 ms 141332 KB Output is correct