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Submission #917700

# Submission time Handle Problem Language Result Execution time Memory
917700 2024-01-28T15:24:56 Z PM1 Fortune Telling 2 (JOI14_fortune_telling2) C++17
100 / 100
 636 ms 60876 KB 
#include <bits/stdc++.h>
using namespace std;
const int mxn=2e5+5,sz=(1<<20);
int n,q,a[mxn],b[mxn],qu[mxn];
long long int ans=0;
struct segment{
	vector<int>v[sz];
	void build(int id,int L,int R){
		if(L+1==R){
			v[id].push_back(qu[L]);
			return ;
		}
		int mid=(L+R)/2;
		build(id*2,L,mid);
		build(id*2+1,mid,R);
		for(auto i:v[id*2])
			v[id].push_back(i);
		for(auto i:v[id*2+1])
			v[id].push_back(i);
		sort(v[id].begin(),v[id].end());
	}
	int get(int id,int L,int R,int l,int r){
		if(L+1==R)
			return L;
		int mid=(L+R)/2;
		int x=lower_bound(v[id].begin(),v[id].end(),l)-v[id].begin();
		if(x==v[id].size() || v[id][x]>=r)
			return 0;
		x=lower_bound(v[id*2+1].begin(),v[id*2+1].end(),l)-v[id*2+1].begin();
		if(x==v[id*2+1].size() || v[id*2+1][x]>=r)
			return get(id*2,L,mid,l,r);
		else
			return get(id*2+1,mid,R,l,r);
	}
	int pet(int id,int L,int R,int l,int r,int x){
		if(L==l && R==r){
			int res=lower_bound(v[id].begin(),v[id].end(),x)-v[id].begin();
			return v[id].size()-res;
		}
		int mid=(L+R)/2,res=0;
		if(l<mid)
			res+=pet(id*2,L,mid,l,min(r,mid),x);
		if(r>mid)
			res+=pet(id*2+1,mid,R,max(l,mid),r,x);
		return res;
	}
}seg;
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>q;
	for(int i=1;i<=n;i++){
		cin>>a[i]>>b[i];
	}
	for(int i=1;i<=q;i++){
		cin>>qu[i];
	}
	seg.build(1,1,q+1);
	for(int i=1;i<=n;i++){
		 int x=min(a[i],b[i]);
		 int y=max(a[i],b[i]);
		 int l=seg.get(1,1,q+1,x,y);
		 int num=(l!=q)?seg.pet(1,1,q+1,l+1,q+1,y):0;
		 if(l==0)
		 	ans+=(num&1)?b[i]:a[i];
		 else{
		 	if(a[i]<b[i])
		 		ans+=(num&1)?a[i]:b[i];
		 	else
		 		ans+=(num&1)?b[i]:a[i];
		 }
		// cout<<ans<<" ";
	}
	cout<<ans<<endl;
}

Compilation message

fortune_telling2.cpp: In member function 'int segment::get(int, int, int, int, int)':
fortune_telling2.cpp:27:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |   if(x==v[id].size() || v[id][x]>=r)
      |      ~^~~~~~~~~~~~~~
fortune_telling2.cpp:30:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |   if(x==v[id*2+1].size() || v[id*2+1][x]>=r)
      |      ~^~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 27484 KB Output is correct
2 Correct 8 ms 27228 KB Output is correct
3 Correct 9 ms 27316 KB Output is correct
4 Correct 10 ms 27228 KB Output is correct
5 Correct 9 ms 27228 KB Output is correct
6 Correct 9 ms 27228 KB Output is correct
7 Correct 9 ms 27224 KB Output is correct
8 Correct 9 ms 27228 KB Output is correct
9 Correct 8 ms 27224 KB Output is correct
10 Correct 10 ms 27224 KB Output is correct
11 Correct 10 ms 27484 KB Output is correct
12 Correct 10 ms 27312 KB Output is correct
13 Correct 9 ms 27312 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 27484 KB Output is correct
2 Correct 8 ms 27228 KB Output is correct
3 Correct 9 ms 27316 KB Output is correct
4 Correct 10 ms 27228 KB Output is correct
5 Correct 9 ms 27228 KB Output is correct
6 Correct 9 ms 27228 KB Output is correct
7 Correct 9 ms 27224 KB Output is correct
8 Correct 9 ms 27228 KB Output is correct
9 Correct 8 ms 27224 KB Output is correct
10 Correct 10 ms 27224 KB Output is correct
11 Correct 10 ms 27484 KB Output is correct
12 Correct 10 ms 27312 KB Output is correct
13 Correct 9 ms 27312 KB Output is correct
14 Correct 25 ms 28764 KB Output is correct
15 Correct 47 ms 30640 KB Output is correct
16 Correct 68 ms 31572 KB Output is correct
17 Correct 100 ms 34064 KB Output is correct
18 Correct 93 ms 34088 KB Output is correct
19 Correct 93 ms 34000 KB Output is correct
20 Correct 102 ms 34112 KB Output is correct
21 Correct 87 ms 34004 KB Output is correct
22 Correct 57 ms 33548 KB Output is correct
23 Correct 58 ms 33616 KB Output is correct
24 Correct 60 ms 33620 KB Output is correct
25 Correct 56 ms 33512 KB Output is correct
26 Correct 63 ms 34416 KB Output is correct
27 Correct 100 ms 34028 KB Output is correct
28 Correct 64 ms 34036 KB Output is correct
29 Correct 79 ms 34028 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 27484 KB Output is correct
2 Correct 8 ms 27228 KB Output is correct
3 Correct 9 ms 27316 KB Output is correct
4 Correct 10 ms 27228 KB Output is correct
5 Correct 9 ms 27228 KB Output is correct
6 Correct 9 ms 27228 KB Output is correct
7 Correct 9 ms 27224 KB Output is correct
8 Correct 9 ms 27228 KB Output is correct
9 Correct 8 ms 27224 KB Output is correct
10 Correct 10 ms 27224 KB Output is correct
11 Correct 10 ms 27484 KB Output is correct
12 Correct 10 ms 27312 KB Output is correct
13 Correct 9 ms 27312 KB Output is correct
14 Correct 25 ms 28764 KB Output is correct
15 Correct 47 ms 30640 KB Output is correct
16 Correct 68 ms 31572 KB Output is correct
17 Correct 100 ms 34064 KB Output is correct
18 Correct 93 ms 34088 KB Output is correct
19 Correct 93 ms 34000 KB Output is correct
20 Correct 102 ms 34112 KB Output is correct
21 Correct 87 ms 34004 KB Output is correct
22 Correct 57 ms 33548 KB Output is correct
23 Correct 58 ms 33616 KB Output is correct
24 Correct 60 ms 33620 KB Output is correct
25 Correct 56 ms 33512 KB Output is correct
26 Correct 63 ms 34416 KB Output is correct
27 Correct 100 ms 34028 KB Output is correct
28 Correct 64 ms 34036 KB Output is correct
29 Correct 79 ms 34028 KB Output is correct
30 Correct 210 ms 56840 KB Output is correct
31 Correct 297 ms 57548 KB Output is correct
32 Correct 385 ms 58568 KB Output is correct
33 Correct 584 ms 60480 KB Output is correct
34 Correct 199 ms 56572 KB Output is correct
35 Correct 585 ms 60664 KB Output is correct
36 Correct 577 ms 60792 KB Output is correct
37 Correct 592 ms 60620 KB Output is correct
38 Correct 572 ms 60684 KB Output is correct
39 Correct 622 ms 60664 KB Output is correct
40 Correct 456 ms 60596 KB Output is correct
41 Correct 602 ms 60556 KB Output is correct
42 Correct 636 ms 60620 KB Output is correct
43 Correct 295 ms 59928 KB Output is correct
44 Correct 289 ms 59852 KB Output is correct
45 Correct 290 ms 59776 KB Output is correct
46 Correct 331 ms 58636 KB Output is correct
47 Correct 340 ms 58640 KB Output is correct
48 Correct 336 ms 60876 KB Output is correct
49 Correct 311 ms 60812 KB Output is correct