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Submission #251361

# Submission time Handle Problem Language Result Execution time Memory
251361 2020-07-21T02:39:00 Z errorgorn Password (RMI18_password) C++14
10 / 100
 7 ms 640 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ii pair<int,int>
#define fi first
#define se second

#define rep(x,s,e) for (auto x=s;x!=e;x++)
#define sz(x) (int) (x).size()
#define all(x) (x).begin(),(x).end()

#define si pair<int,string>

priority_queue<si,vector<si>,greater<si> > pq;

int query(string q);

string merge(string i,string j){
	string res=i;
	
	int idx=0;
	
	for (auto &it:j){
		while (true){
			res.insert(idx,1,it);
			
			if (query(res)==sz(res)){
				break;
			}
			
			res.erase(res.begin()+idx);
			idx++;
		}
	}
	
	return res;
}

string guess(int n,int s){
	rep(x,0,s){
		string st;
		rep(y,0,n) st+=(char)('a'+x);
		
		int temp=query(st);
		
		st="";
		rep(y,0,temp) st+=(char)('a'+x);
		
		pq.push(si(temp,st));
	}
	
	while (sz(pq)>1){
		string t1=pq.top().se;pq.pop();
		string t2=pq.top().se;pq.pop();
		
		string ss=merge(t1,t2);
		pq.push(si(sz(ss),ss));
	}
	
	return pq.top().se;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Guessed the password with 79 queries.
2 Correct 2 ms 256 KB Guessed the password with 157 queries.

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Guessed the password with 73 queries.
2 Correct 1 ms 256 KB Guessed the password with 146 queries.
3 Correct 1 ms 256 KB Guessed the password with 91 queries.
4 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Guessed the password with 79 queries.
2 Correct 2 ms 256 KB Guessed the password with 157 queries.
3 Correct 1 ms 256 KB Guessed the password with 73 queries.
4 Correct 1 ms 256 KB Guessed the password with 146 queries.
5 Correct 1 ms 256 KB Guessed the password with 91 queries.
6 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Guessed the password with 79 queries.
2 Correct 2 ms 256 KB Guessed the password with 157 queries.
3 Correct 1 ms 256 KB Guessed the password with 73 queries.
4 Correct 1 ms 256 KB Guessed the password with 146 queries.
5 Correct 1 ms 256 KB Guessed the password with 91 queries.
6 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)