Submission #171279

#	Time	Username	Problem	Language	Result	Execution time	Memory
171279		Nodir_Bobiev	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	72 ms	5916 KiB

molecules

# include <bits/stdc++.h>
# define FILE

using namespace std;


vector < int > find_subset( int l, int u, vector < int > w ){
	int n = w.size();
	pair < int, int > pr[n];
	for( int i = 0; i < n; i ++ )
		pr[i] = make_pair( w[i], i );
	
	sort( pr, pr+n );

	int ll = 0, rr = 1;
	long long sum = pr[ll].first;
	vector < int > answers;

	while( rr < n ){
		if( sum > u ){
			sum -= pr[ll++].first;
			if( ll >= rr ){
				return answers;
			}
		}
		if( l <= sum && sum <= u ){
			for( int i = ll; i < rr; i ++ ){
				answers.push_back( pr[i].second );
			}
			return answers;
		}
		sum += pr[rr++].first;
	}
	if( sum > u ){
		sum -= pr[ll++].first;
	}
	if( sum >= l && sum <= u ){
		for( int i = ll; i < rr; i ++ )
			answers.push_back( i );
	}
	return answers;
}
/*
int main(){

    # ifdef FILE
        freopen( "input.txt", "r", stdin );
        freopen( "output.txt", "w", stdout );
    # endif
    int n, l, u;
    cin >> n >> l >> u;
    vector < int > w(n);
    for( int i = 0; i < n; i ++ ){
    	cin >> w[i];
    }

    vector < int > ans = find_subset( l, u, w );
    for( auto c: ans ){
    	cout << c << ' ';
    }cout << endl;
    return 0;
}	

*/

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 15 / 15
• Subtask 5: 23 / 23
• Subtask 6: 31 / 31