oj.uz

Submission #526293

# Submission time Handle Problem Language Result Execution time Memory
526293 2022-02-14T08:02:26 Z bebecanvas Martian DNA (BOI18_dna) C++14
0 / 100
 57 ms 5068 KB 
#include <bits/stdc++.h>

using namespace std;
#define int long long
#define endl '\n'
#define sz(x) (int) (x).size()

signed main(){
 
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    
	int n, k, r; cin >> n >> k >> r;
	int v[200005]={0};
	int arr[200005];
	for(int i=0; i<n; i++){cin >> arr[i];}
	//for(int i=0; i<k; i++){v[i]= 1;}
	for(int i=0; i<r; i++){
		int a, b; cin >> a >> b;
		v[a]= b;
	}
	
	int s= 0;
	int e= n;
	bool yeaa= false;
	while(s<e){
		int mid= s+ (e-s)/2;
		int c[200005]={0};
		int count= 0;
		for(int i=0; i<mid; i++){
			c[arr[i]]++;
			if(c[arr[i]]==v[arr[i]]){count++;}
		}
		bool yea= false;
		if(count==r){yea= true;}
		for(int i=0; i<n- mid; i++){
			if(count==r){yea= true; yeaa= true; break;}
			c[arr[i]]--; 
			if(c[arr[i]]==v[arr[i]]-1){count--;}
			c[arr[i+mid]]++; 
			if(c[arr[i+mid]]==v[arr[i+mid]]){count++;}
		}
		if(count==r){yea= true; yeaa= true;}
		if(yea){e= mid;}
		else{s= mid+1;}
	}
	
	if(yeaa){cout << e << endl;}
	else{cout << "impossible" << endl;}
	
	
}

Subtask #1
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Incorrect 3 ms 4940 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 3 ms 4940 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 3 ms 4940 KB Output is correct
9 Incorrect 2 ms 4940 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 5000 KB Output is correct
2 Correct 26 ms 4984 KB Output is correct
3 Correct 16 ms 4892 KB Output is correct
4 Correct 23 ms 5000 KB Output is correct
5 Correct 30 ms 4940 KB Output is correct
6 Incorrect 21 ms 5068 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 5060 KB Output is correct
2 Correct 43 ms 4988 KB Output is correct
3 Correct 43 ms 4940 KB Output is correct
4 Correct 13 ms 4940 KB Output is correct
5 Correct 40 ms 4940 KB Output is correct
6 Correct 57 ms 4980 KB Output is correct
7 Correct 29 ms 4940 KB Output is correct
8 Correct 38 ms 4940 KB Output is correct
9 Correct 24 ms 5004 KB Output is correct
10 Correct 24 ms 4940 KB Output is correct
11 Correct 17 ms 4940 KB Output is correct
12 Correct 22 ms 4940 KB Output is correct
13 Correct 30 ms 4940 KB Output is correct
14 Incorrect 23 ms 5000 KB Output isn't correct
15 Halted 0 ms 0 KB -