oj.uz

Submission #555051

# Submission time Handle Problem Language Result Execution time Memory
555051 2022-04-30T04:56:14 Z kshitij_sodani Fish 2 (JOI22_fish2) C++14
0 / 100
 37 ms 16776 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define a first
#define b second
#define pb push_back
#define endl '\n'

llo it[100001];
vector<llo> aa[100001];
llo pre[100001];
vector<pair<llo,llo>> bb[100001];
vector<pair<llo,llo>> cc[100001];
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	llo n,q;
	cin>>n;
	for(llo i=0;i<n;i++){
		cin>>it[i];
		pre[i+1]=pre[i]+it[i];
	}
	cin>>q;
	for(llo i=1;i<n;i++){
		if(it[i]<it[i-1]){
			aa[i].pb(i);
		}
		for(auto j:aa[i-1]){
			if(pre[i+1]-pre[j]<it[j-1]){
				aa[i].pb(j);
			}
		}
		/*if(i==7){
			for(auto j:aa[i]){
				cout<<j<<",,";
			}
			cout<<endl;
		}*/
		if(i<n-1){
			for(auto j:aa[i]){
				if(pre[i+1]-pre[j]<it[i+1]){
					bb[j-1].pb({i,j});
					cc[i+1].pb({i,j});
					//cout<<i<<":"<<j<<endl;

				}
			}
		}
	}
	multiset<pair<llo,llo>> cur;
	llo ans=n;
	for(llo i=0;i<n;i++){
		for(auto j:cc[i]){
			auto jj=cur.find({j.a,-j.b});
			cur.erase(jj);
		}
		if(cur.size()){
			pair<llo,llo> no=*(cur.begin());
			no.b=-no.b;
			ans--;
		}
		else{
			

		}



		for(auto j:bb[i]){
			cur.insert({j.a,-j.b});
		}
	}		
	for(llo i=1;i<n;i++){
		if(pre[i]<it[i]){
			ans--;
			break;
		}
	}
	for(llo i=n-2;i>=0;i--){
		if(it[i]>(pre[n]-pre[i+1])){
			ans--;
			break;
		}
	}
	cout<<ans<<endl;









	return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 7252 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 7380 KB Output is correct
2 Incorrect 37 ms 16776 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 7252 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 7380 KB Output is correct
2 Incorrect 37 ms 16776 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 7380 KB Output is correct
2 Incorrect 37 ms 16776 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 7252 KB Output isn't correct
2 Halted 0 ms 0 KB -