oj.uz

Submission #203075

# Submission time Handle Problem Language Result Execution time Memory
203075 2020-02-19T08:23:58 Z detaomega Wall (IOI14_wall) C++14
100 / 100
 1037 ms 117036 KB 
#include "wall.h"
#include <bits/stdc++.h>
using namespace std;
#define X first
#define Y second
#define rep(i,a,b) for(int i=a;i<=b;i++)
#define IOS ios::sync_with_stdio(0);cin.tie(0);
#define de(x,y) cout<<#x<<" :"<<x<<y;
//#define int long long
#define SZ(xx) ((int)xx.size())
#define lowbit(xx) (xx&(-xx))
#define pb push_back
#define ls node*2
#define rs node*2+1
typedef pair<int,int> pii;
 
const int maxn = 3e6+5;
const int INF = 1e9+5;
int mx[maxn * 4], mn[maxn * 4], tag[maxn * 4], ans[maxn];
void ppush(int node) {
	mx[ls] = max(mx[ls], mx[node]);
	mx[rs] = max(mx[rs], mx[node]);
	mn[ls] = min(mn[ls], mn[node]);
	mn[rs] = min(mn[rs], mn[node]);
}
void push(int node) {
	if(mn[ls] != INF) {
		ppush(ls);
		mx[ls] = min(mx[ls], mn[ls]);
	}
	if(mn[rs] != INF) {
		ppush(rs);
		mx[rs] = min(mx[rs], mn[rs]);
	}
	if(tag[node]) {
		tag[rs] = tag[ls] = 1;
		mn[rs] = mn[ls] = INF;
	} 
	mx[ls] = max(mx[ls], mx[node]);
	mx[rs] = max(mx[rs], mx[node]);
	mn[ls] = min(mn[ls], mn[node]);
	mn[rs] = min(mn[rs], mn[node]);
	mx[node] = 0;
	mn[node] = INF;
	tag[node] = 0;
}
 
void upd(int node,int l,int r,int a,int b,int type,int val) {
	if(l != r)push(node);
	if(a <= l && r <= b) {
		if(type == 1) {
			if(mn[node] != INF)
				mx[node] = min(mn[node], mx[node]);
			tag[node] = 1;
			mn[node] = INF;
			mx[node] = max(mx[node], val);
		}
		else {
			tag[node] = 0;
			mn[node] = min(mn[node], val);
			mx[node] = min(mx[node], mn[node]);
		}
	}	
	else {
		
		int m = (l + r) >> 1;
		if(a <= m) upd(ls, l, m, a, b, type, val);
		if(b > m) upd(rs, m+1, r, a, b, type, val);
	}
}
 
void travel(int node,int l,int r) {
	if(l == r) {
		if(mn[node] != INF)
			ans[l] = min(mn[node], mx[node]);
		else
			ans[l] = mx[node];	
	}
	else {
		push(node);
		int m = (l + r) >> 1;
		travel(ls, l, m);
		travel(rs, m+1, r);
	}
}
 
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
	for(int i=1; i<=n * 2+10; i++) {
		mx[i] = 0;
		mn[i] = INF;
		tag[i] = 1; 
	}
	for(int i=0; i<k; i++) {
		upd(1, 1, n, left[i]+1, right[i]+1, op[i], height[i]);
	}
	travel(1, 1, n);
	for(int j=1; j<=n; j++) {
		finalHeight[j-1] =  ans[j];
	}
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 7 ms 508 KB Output is correct
3 Correct 7 ms 376 KB Output is correct
4 Correct 13 ms 1272 KB Output is correct
5 Correct 11 ms 1276 KB Output is correct
6 Correct 11 ms 1404 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 184 ms 9080 KB Output is correct
3 Correct 209 ms 6008 KB Output is correct
4 Correct 816 ms 15352 KB Output is correct
5 Correct 354 ms 14840 KB Output is correct
6 Correct 319 ms 14844 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 7 ms 504 KB Output is correct
3 Correct 6 ms 376 KB Output is correct
4 Correct 13 ms 1276 KB Output is correct
5 Correct 11 ms 1276 KB Output is correct
6 Correct 11 ms 1272 KB Output is correct
7 Correct 4 ms 380 KB Output is correct
8 Correct 184 ms 8824 KB Output is correct
9 Correct 203 ms 5752 KB Output is correct
10 Correct 836 ms 14968 KB Output is correct
11 Correct 326 ms 14456 KB Output is correct
12 Correct 339 ms 14456 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 182 ms 8824 KB Output is correct
15 Correct 45 ms 2936 KB Output is correct
16 Correct 769 ms 15328 KB Output is correct
17 Correct 327 ms 15352 KB Output is correct
18 Correct 338 ms 15224 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 380 KB Output is correct
2 Correct 7 ms 480 KB Output is correct
3 Correct 6 ms 380 KB Output is correct
4 Correct 13 ms 1272 KB Output is correct
5 Correct 11 ms 1272 KB Output is correct
6 Correct 11 ms 1272 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 184 ms 8800 KB Output is correct
9 Correct 214 ms 5792 KB Output is correct
10 Correct 783 ms 14944 KB Output is correct
11 Correct 330 ms 14456 KB Output is correct
12 Correct 322 ms 14456 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 181 ms 8824 KB Output is correct
15 Correct 47 ms 2904 KB Output is correct
16 Correct 814 ms 15172 KB Output is correct
17 Correct 331 ms 15224 KB Output is correct
18 Correct 336 ms 15208 KB Output is correct
19 Correct 985 ms 116852 KB Output is correct
20 Correct 956 ms 114424 KB Output is correct
21 Correct 968 ms 117036 KB Output is correct
22 Correct 968 ms 114548 KB Output is correct
23 Correct 962 ms 114552 KB Output is correct
24 Correct 964 ms 114424 KB Output is correct
25 Correct 978 ms 114544 KB Output is correct
26 Correct 989 ms 116856 KB Output is correct
27 Correct 987 ms 116584 KB Output is correct
28 Correct 1037 ms 114180 KB Output is correct
29 Correct 990 ms 114040 KB Output is correct
30 Correct 958 ms 114040 KB Output is correct