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Submission #398277

# Submission time Handle Problem Language Result Execution time Memory
398277 2021-05-04T05:27:02 Z keta_tsimakuridze Fortune Telling 2 (JOI14_fortune_telling2) C++14
100 / 100
 764 ms 35424 KB 
#include<bits/stdc++.h>
#define f first
#define int long long
#define s second
using namespace std;
const int N=2e5+5,mod=1e9+7;
int t[N],tree_[N],tree[4*N],a[N],b[N],n,m;
vector<pair<int,int> > q,V;
set<pair<int,int> > s;
void update(int ind){
	for(ind;ind>=1;ind-=ind&(-ind)){
		tree_[ind]++;
	}
}
int getans(int ind){
	int pas=0;
	for(ind;ind<=m;ind+=ind&(-ind)){
		pas+=tree_[ind];
	}
	return pas;
}
void update(int u,int ind,int l,int r,int val){
	if(l>ind || r<ind) return;
	if(l==r) {
		tree[u]=val;
		return;
	}
	int mid=(l+r)/2;
	update(2*u,ind,l,mid,val);
	update(2*u+1,ind,mid+1,r,val);
	tree[u]=max(tree[2*u],tree[2*u+1]);
}
int getans(int u,int start,int end,int l,int r){
	if(l>end || r<start) return 0;
	if(start<=l && r<=end) return tree[u];
	int mid=(l+r)/2;
	return max(getans(2*u,start,end,l,mid),getans(2*u+1,start,end,mid+1,r));
}
 main(){
	// t=1;
	cin>>n>>m;
	for(int i=1;i<=n;i++){
		cin>>a[i];	cin>>b[i];V.push_back({max(b[i],a[i]),i});
	}

	for(int i=1;i<=m;i++){
		cin>>t[i];
		q.push_back({t[i],i});
	}

	sort(V.rbegin(),V.rend());
	sort(q.rbegin(),q.rend());
	for(int i=0;i<q.size();i++){
		s.insert({q[i].f,i+1});
		update(1,i+1,1,m,q[i].s);
	}
	int l = -1,ans=0;
	for(int i=0;i<V.size();i++){
		while(l+1<q.size() && q[l+1].f>=V[i].f) l++,update(q[l].s);
		int lst = 1;
		if(s.upper_bound({min(a[V[i].s],b[V[i].s]),-1})!=s.end() &&(*s.upper_bound({min(a[V[i].s],b[V[i].s]),-1})).s>l+1 ){
			 lst =getans(1,l+2,(*s.upper_bound({min(a[V[i].s],b[V[i].s]),-1})).s,1,m);
			 if(a[V[i].s] < b[V[i].s]) swap(a[V[i].s],b[V[i].s]);
		}
	//cout<<V[i].s<<" "<<lst<<" "<<getans(lst)<<endl;
		if(getans(lst)%2) ans+=b[V[i].s];else ans += a[V[i].s];
	}
	cout<<ans;
	
	
}

Compilation message

fortune_telling2.cpp: In function 'void update(long long int)':
fortune_telling2.cpp:11:6: warning: statement has no effect [-Wunused-value]
   11 |  for(ind;ind>=1;ind-=ind&(-ind)){
      |      ^~~
fortune_telling2.cpp: In function 'long long int getans(long long int)':
fortune_telling2.cpp:17:6: warning: statement has no effect [-Wunused-value]
   17 |  for(ind;ind<=m;ind+=ind&(-ind)){
      |      ^~~
fortune_telling2.cpp: At global scope:
fortune_telling2.cpp:39:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   39 |  main(){
      |       ^
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:53:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |  for(int i=0;i<q.size();i++){
      |              ~^~~~~~~~~
fortune_telling2.cpp:58:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |  for(int i=0;i<V.size();i++){
      |              ~^~~~~~~~~
fortune_telling2.cpp:59:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |   while(l+1<q.size() && q[l+1].f>=V[i].f) l++,update(q[l].s);
      |         ~~~^~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 3 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 3 ms 460 KB Output is correct
6 Correct 3 ms 460 KB Output is correct
7 Correct 3 ms 460 KB Output is correct
8 Correct 3 ms 448 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 3 ms 460 KB Output is correct
12 Correct 3 ms 460 KB Output is correct
13 Correct 3 ms 460 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 3 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 3 ms 460 KB Output is correct
6 Correct 3 ms 460 KB Output is correct
7 Correct 3 ms 460 KB Output is correct
8 Correct 3 ms 448 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 3 ms 460 KB Output is correct
12 Correct 3 ms 460 KB Output is correct
13 Correct 3 ms 460 KB Output is correct
14 Correct 27 ms 2156 KB Output is correct
15 Correct 60 ms 3892 KB Output is correct
16 Correct 85 ms 5384 KB Output is correct
17 Correct 116 ms 7416 KB Output is correct
18 Correct 119 ms 7408 KB Output is correct
19 Correct 117 ms 7544 KB Output is correct
20 Correct 118 ms 7516 KB Output is correct
21 Correct 108 ms 7384 KB Output is correct
22 Correct 76 ms 6964 KB Output is correct
23 Correct 82 ms 6984 KB Output is correct
24 Correct 95 ms 6964 KB Output is correct
25 Correct 76 ms 6968 KB Output is correct
26 Correct 85 ms 7208 KB Output is correct
27 Correct 93 ms 7516 KB Output is correct
28 Correct 104 ms 7540 KB Output is correct
29 Correct 90 ms 7476 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 3 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 3 ms 460 KB Output is correct
6 Correct 3 ms 460 KB Output is correct
7 Correct 3 ms 460 KB Output is correct
8 Correct 3 ms 448 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 3 ms 460 KB Output is correct
12 Correct 3 ms 460 KB Output is correct
13 Correct 3 ms 460 KB Output is correct
14 Correct 27 ms 2156 KB Output is correct
15 Correct 60 ms 3892 KB Output is correct
16 Correct 85 ms 5384 KB Output is correct
17 Correct 116 ms 7416 KB Output is correct
18 Correct 119 ms 7408 KB Output is correct
19 Correct 117 ms 7544 KB Output is correct
20 Correct 118 ms 7516 KB Output is correct
21 Correct 108 ms 7384 KB Output is correct
22 Correct 76 ms 6964 KB Output is correct
23 Correct 82 ms 6984 KB Output is correct
24 Correct 95 ms 6964 KB Output is correct
25 Correct 76 ms 6968 KB Output is correct
26 Correct 85 ms 7208 KB Output is correct
27 Correct 93 ms 7516 KB Output is correct
28 Correct 104 ms 7540 KB Output is correct
29 Correct 90 ms 7476 KB Output is correct
30 Correct 238 ms 25540 KB Output is correct
31 Correct 361 ms 27616 KB Output is correct
32 Correct 479 ms 30120 KB Output is correct
33 Correct 764 ms 35260 KB Output is correct
34 Correct 211 ms 25044 KB Output is correct
35 Correct 737 ms 35272 KB Output is correct
36 Correct 728 ms 35232 KB Output is correct
37 Correct 757 ms 35372 KB Output is correct
38 Correct 688 ms 35368 KB Output is correct
39 Correct 634 ms 35384 KB Output is correct
40 Correct 600 ms 34948 KB Output is correct
41 Correct 583 ms 35288 KB Output is correct
42 Correct 653 ms 35300 KB Output is correct
43 Correct 516 ms 33532 KB Output is correct
44 Correct 519 ms 33532 KB Output is correct
45 Correct 490 ms 33952 KB Output is correct
46 Correct 429 ms 33388 KB Output is correct
47 Correct 413 ms 33184 KB Output is correct
48 Correct 517 ms 35424 KB Output is correct
49 Correct 513 ms 35324 KB Output is correct