oj.uz

Submission #462416

# Submission time Handle Problem Language Result Execution time Memory
462416 2021-08-10T13:28:15 Z _Avocado_ Martian DNA (BOI18_dna) C++14
0 / 100
 96 ms 8028 KB 
#include <bits/stdc++.h>
#define int int64_t
using namespace std;

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	
	int n, k, q; cin>>n>>k>>q;
	
	vector<int>v(n);
	
	for(auto&u: v) cin>>u;
	
	vector<int>goal(k);
	
	for(int i = 0; i<q; ++i){
		int a, b; cin>>a>>b;
		goal[a] = b;
	}
	
	//for(auto u: goal) cout<<u<<" ";
	//cout<<endl;
	
	int ans = 1e9;
	int start = 0;
	
	vector<int>cur(k);
	map<int, int>full;
	
	for(int i = 0; i<n; ++i){
		++cur[v[i]];
		while(cur[v[i]] > goal[v[i]] && v[start] == v[i] && start < i){
			--cur[v[start]];
			++start;
		}
		if(cur[v[i]] >= goal[v[i]] && goal[v[i]] != 0) full[v[i]] = 1; 
		if(full.size() == q) ans = min(ans, i-start+1);
	} 
	
	
	if(ans == 1e9) cout<<"impossible";
	else cout<<ans;

	
	
	cout<<'\n';
}

Compilation message

dna.cpp: In function 'int main()':
dna.cpp:38:18: warning: comparison of integer expressions of different signedness: 'std::map<long int, long int>::size_type' {aka 'long unsigned int'} and 'int64_t' {aka 'long int'} [-Wsign-compare]
   38 |   if(full.size() == q) ans = min(ans, i-start+1);
      |      ~~~~~~~~~~~~^~~~

Subtask #1
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 1 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 17 ms 1868 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 96 ms 8028 KB Output isn't correct
2 Halted 0 ms 0 KB -