oj.uz

Submission #927119

# Submission time Handle Problem Language Result Execution time Memory
927119 2024-02-14T09:44:01 Z vjudge1 Martian DNA (BOI18_dna) C++17
0 / 100
 259 ms 34404 KB 
#include <bits/stdc++.h>

using namespace std;

#define all(a) a.begin(),a.end()
#define pb push_back
#define vt vector
#define endl '\n'
typedef long long ll;

const ll mod=1e9+7;
const ll inf=1e9+7;
const int N=5e5+4;

int n,k,r;
int a[N];
map<int,int>mp,cur;
set<int>st[N];
multiset<int>mst;

void solve(){
	cin>>n>>k>>r;
	for(int i=1; i<=n; ++i){
		cin>>a[i];
	}
	ll all=0;
	for(int i=1; i<=r; ++i){
		int tp,cn;
		cin>>tp>>cn;
		mp[tp]=cn;
		for(int x=0; x<cn; ++x) {
			mst.insert(tp);
			++all;
			if(all>n){
				cout<<"i	mpossible\n";
				return;
			}
		}
	}
	int l=1,r=1;
	int ans=inf;
	while(1){
		//cout<<l<<' '<<r<<endl;
		//cout<<mst.size()<<endl;
		while(r<=n && mst.size()){
			auto pos=mst.find(a[r]);
			cur[a[r]]++;
			//cout<<a[r]<<"  "<<cur[a[r]]<<endl;
			if(pos!=mst.end()) mst.erase(pos);
			++r;
		}
		if(r>n) break;
		ans=min(ans,r-l+1);
		while(l<r){
			while(l<r && mp[a[l]]==0) ++l;
			ans=min(ans,r-l);
			cur[a[l]]--;
			//cout<<a[l]<<' '<<cur[a[l]]<<endl;
		//	return;
			if(cur[a[l]]<mp[a[l]]) {
				mst.insert(a[l]);
				++l;
				break;
			}
			++l;
			ans=min(ans,r-l);
		}
	}
	if(ans==inf){
		cout<<"impossible\n";
		return;
	}
	cout<<ans<<endl;
}
			
int main(){
	int tt=1;
	//cin>>tt;
	while(tt--) {
		solve();
	}
}

Subtask #1
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 25176 KB Output is correct
2 Correct 5 ms 25180 KB Output is correct
3 Incorrect 5 ms 25180 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 25180 KB Output is correct
2 Correct 6 ms 25180 KB Output is correct
3 Correct 6 ms 25236 KB Output is correct
4 Correct 7 ms 25436 KB Output is correct
5 Correct 6 ms 25180 KB Output is correct
6 Correct 5 ms 25180 KB Output is correct
7 Correct 5 ms 25180 KB Output is correct
8 Correct 5 ms 25080 KB Output is correct
9 Incorrect 5 ms 25208 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 29436 KB Output is correct
2 Correct 44 ms 26964 KB Output is correct
3 Correct 47 ms 25176 KB Output is correct
4 Correct 46 ms 27996 KB Output is correct
5 Correct 120 ms 33164 KB Output is correct
6 Incorrect 72 ms 34388 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 259 ms 32728 KB Output is correct
2 Correct 201 ms 31060 KB Output is correct
3 Correct 141 ms 30800 KB Output is correct
4 Correct 44 ms 25180 KB Output is correct
5 Incorrect 72 ms 34404 KB Output isn't correct
6 Halted 0 ms 0 KB -