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Submission #955885

# Submission time Handle Problem Language Result Execution time Memory
955885 2024-03-31T16:10:54 Z MilosMilutinovic Curtains (NOI23_curtains) C++14
100 / 100
 967 ms 82744 KB 
#include<bits/stdc++.h>
 
#define pb push_back
#define fi first
#define se second
#define mp make_pair
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef long double ld;
 
template <typename T> bool chkmin(T &x,T y){return x>y?x=y,1:0;}
template <typename T> bool chkmax(T &x,T y){return x<y?x=y,1:0;}
 
ll readint(){
	ll x=0,f=1; char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}

int n,m,q;
int mini[4000005],tag[4000005],ans[500005];
vector<int> seg[500005];
vector<pii> qry[500005];

void push(int id){
	chkmax(mini[id<<1],tag[id]);
	chkmax(mini[id<<1|1],tag[id]);
	chkmax(tag[id<<1],tag[id]);
	chkmax(tag[id<<1|1],tag[id]);
	tag[id]=0;
}

void change(int id,int l,int r,int ql,int qr,int v){
	if(ql<=l&&r<=qr){
		chkmax(tag[id],v);
		chkmax(mini[id],v);
		push(id);
		return;
	}
	push(id);
	int mid=(l+r)/2;
	if(qr<=mid) change(id<<1,l,mid,ql,qr,v);
	else if(ql>mid) change(id<<1|1,mid+1,r,ql,qr,v);
	else change(id<<1,l,mid,ql,qr,v),change(id<<1|1,mid+1,r,ql,qr,v);
	mini[id]=min(mini[id<<1],mini[id<<1|1]);
}

int query(int id,int l,int r,int ql,int qr){
	if(ql<=l&&r<=qr) return mini[id];
	push(id);
	int mid=(l+r)/2;
	int ret=0;
	if(qr<=mid) ret=query(id<<1,l,mid,ql,qr);
	else if(ql>mid) ret=query(id<<1|1,mid+1,r,ql,qr);
	else ret=min(query(id<<1,l,mid,ql,qr),query(id<<1|1,mid+1,r,ql,qr));
	mini[id]=min(mini[id<<1],mini[id<<1|1]);
	return ret;
}

int main(){
	n=readint(); m=readint(); q=readint();
	int l,r;
	for(int i=1;i<=m;i++){
		l=readint(); r=readint();
		seg[r].pb(l);
	}
	for(int i=1;i<=q;i++){
		l=readint(); r=readint();
		qry[r].pb(mp(l,i));
	}
	for(int i=1;i<=n;i++){
		for(auto p:seg[i]) change(1,1,n,p,i,p);
		for(auto p:qry[i]) ans[p.se]=(query(1,1,n,p.fi,i)>=p.fi?1:0);
	}
	for(int i=1;i<=q;i++){
		if(ans[i]==0) printf("NO\n");
		else printf("YES\n");
	}
	printf("\n");
	return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 25244 KB Output is correct
2 Correct 7 ms 25228 KB Output is correct
3 Correct 6 ms 25180 KB Output is correct
4 Correct 10 ms 25176 KB Output is correct
5 Correct 6 ms 25180 KB Output is correct
6 Correct 8 ms 25220 KB Output is correct
7 Correct 6 ms 25180 KB Output is correct
8 Correct 6 ms 25176 KB Output is correct
9 Correct 6 ms 25180 KB Output is correct
10 Correct 6 ms 25180 KB Output is correct
11 Correct 6 ms 25232 KB Output is correct
12 Correct 6 ms 25180 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 25244 KB Output is correct
2 Correct 7 ms 25228 KB Output is correct
3 Correct 6 ms 25180 KB Output is correct
4 Correct 10 ms 25176 KB Output is correct
5 Correct 6 ms 25180 KB Output is correct
6 Correct 8 ms 25220 KB Output is correct
7 Correct 6 ms 25180 KB Output is correct
8 Correct 6 ms 25176 KB Output is correct
9 Correct 6 ms 25180 KB Output is correct
10 Correct 6 ms 25180 KB Output is correct
11 Correct 6 ms 25232 KB Output is correct
12 Correct 6 ms 25180 KB Output is correct
13 Correct 7 ms 25436 KB Output is correct
14 Correct 8 ms 25444 KB Output is correct
15 Correct 8 ms 25256 KB Output is correct
16 Correct 13 ms 25308 KB Output is correct
17 Correct 11 ms 25436 KB Output is correct
18 Correct 7 ms 25436 KB Output is correct
19 Correct 7 ms 25436 KB Output is correct
20 Correct 7 ms 25436 KB Output is correct
21 Correct 9 ms 25436 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 25244 KB Output is correct
2 Correct 7 ms 25228 KB Output is correct
3 Correct 6 ms 25180 KB Output is correct
4 Correct 10 ms 25176 KB Output is correct
5 Correct 6 ms 25180 KB Output is correct
6 Correct 8 ms 25220 KB Output is correct
7 Correct 6 ms 25180 KB Output is correct
8 Correct 6 ms 25176 KB Output is correct
9 Correct 6 ms 25180 KB Output is correct
10 Correct 6 ms 25180 KB Output is correct
11 Correct 6 ms 25232 KB Output is correct
12 Correct 6 ms 25180 KB Output is correct
13 Correct 7 ms 25436 KB Output is correct
14 Correct 8 ms 25444 KB Output is correct
15 Correct 8 ms 25256 KB Output is correct
16 Correct 13 ms 25308 KB Output is correct
17 Correct 11 ms 25436 KB Output is correct
18 Correct 7 ms 25436 KB Output is correct
19 Correct 7 ms 25436 KB Output is correct
20 Correct 7 ms 25436 KB Output is correct
21 Correct 9 ms 25436 KB Output is correct
22 Correct 146 ms 38168 KB Output is correct
23 Correct 147 ms 38456 KB Output is correct
24 Correct 171 ms 39700 KB Output is correct
25 Correct 298 ms 45460 KB Output is correct
26 Correct 141 ms 38228 KB Output is correct
27 Correct 296 ms 45652 KB Output is correct
28 Correct 308 ms 45740 KB Output is correct
29 Correct 125 ms 37276 KB Output is correct
30 Correct 79 ms 37204 KB Output is correct
31 Correct 99 ms 38044 KB Output is correct
32 Correct 229 ms 44620 KB Output is correct
33 Correct 77 ms 37496 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 25180 KB Output is correct
2 Correct 6 ms 25432 KB Output is correct
3 Correct 6 ms 25216 KB Output is correct
4 Correct 6 ms 25180 KB Output is correct
5 Correct 9 ms 25436 KB Output is correct
6 Correct 7 ms 25284 KB Output is correct
7 Correct 7 ms 25436 KB Output is correct
8 Correct 78 ms 37304 KB Output is correct
9 Correct 97 ms 38220 KB Output is correct
10 Correct 234 ms 44736 KB Output is correct
11 Correct 84 ms 37272 KB Output is correct
12 Correct 129 ms 36304 KB Output is correct
13 Correct 106 ms 36320 KB Output is correct
14 Correct 69 ms 36620 KB Output is correct
15 Correct 67 ms 36176 KB Output is correct
16 Correct 69 ms 36464 KB Output is correct
17 Correct 76 ms 36176 KB Output is correct
18 Correct 745 ms 79660 KB Output is correct
19 Correct 717 ms 79356 KB Output is correct
20 Correct 479 ms 80448 KB Output is correct
21 Correct 468 ms 79440 KB Output is correct
22 Correct 497 ms 78636 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 25244 KB Output is correct
2 Correct 7 ms 25228 KB Output is correct
3 Correct 6 ms 25180 KB Output is correct
4 Correct 10 ms 25176 KB Output is correct
5 Correct 6 ms 25180 KB Output is correct
6 Correct 8 ms 25220 KB Output is correct
7 Correct 6 ms 25180 KB Output is correct
8 Correct 6 ms 25176 KB Output is correct
9 Correct 6 ms 25180 KB Output is correct
10 Correct 6 ms 25180 KB Output is correct
11 Correct 6 ms 25232 KB Output is correct
12 Correct 6 ms 25180 KB Output is correct
13 Correct 7 ms 25436 KB Output is correct
14 Correct 8 ms 25444 KB Output is correct
15 Correct 8 ms 25256 KB Output is correct
16 Correct 13 ms 25308 KB Output is correct
17 Correct 11 ms 25436 KB Output is correct
18 Correct 7 ms 25436 KB Output is correct
19 Correct 7 ms 25436 KB Output is correct
20 Correct 7 ms 25436 KB Output is correct
21 Correct 9 ms 25436 KB Output is correct
22 Correct 94 ms 30032 KB Output is correct
23 Correct 110 ms 30020 KB Output is correct
24 Correct 157 ms 35660 KB Output is correct
25 Correct 146 ms 35576 KB Output is correct
26 Correct 117 ms 36908 KB Output is correct
27 Correct 101 ms 36944 KB Output is correct
28 Correct 101 ms 34640 KB Output is correct
29 Correct 101 ms 36432 KB Output is correct
30 Correct 149 ms 35652 KB Output is correct
31 Correct 142 ms 35668 KB Output is correct
32 Correct 137 ms 36172 KB Output is correct
33 Correct 111 ms 36544 KB Output is correct
34 Correct 119 ms 35272 KB Output is correct
35 Correct 115 ms 35352 KB Output is correct
36 Correct 108 ms 36112 KB Output is correct
37 Correct 117 ms 36304 KB Output is correct
38 Correct 114 ms 36356 KB Output is correct
39 Correct 82 ms 36600 KB Output is correct
40 Correct 85 ms 36056 KB Output is correct
41 Correct 82 ms 36424 KB Output is correct
42 Correct 93 ms 36088 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 25244 KB Output is correct
2 Correct 7 ms 25228 KB Output is correct
3 Correct 6 ms 25180 KB Output is correct
4 Correct 10 ms 25176 KB Output is correct
5 Correct 6 ms 25180 KB Output is correct
6 Correct 8 ms 25220 KB Output is correct
7 Correct 6 ms 25180 KB Output is correct
8 Correct 6 ms 25176 KB Output is correct
9 Correct 6 ms 25180 KB Output is correct
10 Correct 6 ms 25180 KB Output is correct
11 Correct 6 ms 25232 KB Output is correct
12 Correct 6 ms 25180 KB Output is correct
13 Correct 7 ms 25436 KB Output is correct
14 Correct 8 ms 25444 KB Output is correct
15 Correct 8 ms 25256 KB Output is correct
16 Correct 13 ms 25308 KB Output is correct
17 Correct 11 ms 25436 KB Output is correct
18 Correct 7 ms 25436 KB Output is correct
19 Correct 7 ms 25436 KB Output is correct
20 Correct 7 ms 25436 KB Output is correct
21 Correct 9 ms 25436 KB Output is correct
22 Correct 146 ms 38168 KB Output is correct
23 Correct 147 ms 38456 KB Output is correct
24 Correct 171 ms 39700 KB Output is correct
25 Correct 298 ms 45460 KB Output is correct
26 Correct 141 ms 38228 KB Output is correct
27 Correct 296 ms 45652 KB Output is correct
28 Correct 308 ms 45740 KB Output is correct
29 Correct 125 ms 37276 KB Output is correct
30 Correct 79 ms 37204 KB Output is correct
31 Correct 99 ms 38044 KB Output is correct
32 Correct 229 ms 44620 KB Output is correct
33 Correct 77 ms 37496 KB Output is correct
34 Correct 7 ms 25180 KB Output is correct
35 Correct 6 ms 25432 KB Output is correct
36 Correct 6 ms 25216 KB Output is correct
37 Correct 6 ms 25180 KB Output is correct
38 Correct 9 ms 25436 KB Output is correct
39 Correct 7 ms 25284 KB Output is correct
40 Correct 7 ms 25436 KB Output is correct
41 Correct 78 ms 37304 KB Output is correct
42 Correct 97 ms 38220 KB Output is correct
43 Correct 234 ms 44736 KB Output is correct
44 Correct 84 ms 37272 KB Output is correct
45 Correct 129 ms 36304 KB Output is correct
46 Correct 106 ms 36320 KB Output is correct
47 Correct 69 ms 36620 KB Output is correct
48 Correct 67 ms 36176 KB Output is correct
49 Correct 69 ms 36464 KB Output is correct
50 Correct 76 ms 36176 KB Output is correct
51 Correct 745 ms 79660 KB Output is correct
52 Correct 717 ms 79356 KB Output is correct
53 Correct 479 ms 80448 KB Output is correct
54 Correct 468 ms 79440 KB Output is correct
55 Correct 497 ms 78636 KB Output is correct
56 Correct 94 ms 30032 KB Output is correct
57 Correct 110 ms 30020 KB Output is correct
58 Correct 157 ms 35660 KB Output is correct
59 Correct 146 ms 35576 KB Output is correct
60 Correct 117 ms 36908 KB Output is correct
61 Correct 101 ms 36944 KB Output is correct
62 Correct 101 ms 34640 KB Output is correct
63 Correct 101 ms 36432 KB Output is correct
64 Correct 149 ms 35652 KB Output is correct
65 Correct 142 ms 35668 KB Output is correct
66 Correct 137 ms 36172 KB Output is correct
67 Correct 111 ms 36544 KB Output is correct
68 Correct 119 ms 35272 KB Output is correct
69 Correct 115 ms 35352 KB Output is correct
70 Correct 108 ms 36112 KB Output is correct
71 Correct 117 ms 36304 KB Output is correct
72 Correct 114 ms 36356 KB Output is correct
73 Correct 82 ms 36600 KB Output is correct
74 Correct 85 ms 36056 KB Output is correct
75 Correct 82 ms 36424 KB Output is correct
76 Correct 93 ms 36088 KB Output is correct
77 Correct 967 ms 75932 KB Output is correct
78 Correct 954 ms 76004 KB Output is correct
79 Correct 637 ms 82516 KB Output is correct
80 Correct 607 ms 82744 KB Output is correct
81 Correct 605 ms 80404 KB Output is correct
82 Correct 695 ms 81552 KB Output is correct
83 Correct 911 ms 75844 KB Output is correct
84 Correct 906 ms 75904 KB Output is correct
85 Correct 790 ms 77728 KB Output is correct
86 Correct 726 ms 74408 KB Output is correct
87 Correct 751 ms 73852 KB Output is correct
88 Correct 655 ms 80736 KB Output is correct