oj.uz

Submission #67301

# Submission time Handle Problem Language Result Execution time Memory
67301 2018-08-13T20:19:50 Z hamzqq9 Hidden Sequence (info1cup18_hidden) C++14
100 / 100
 11 ms 564 KB 
#include<bits/stdc++.h>
#include "grader.h"
#define st first
#define nd second
#define pb push_back
#define ppb pop_back
#define umax(x,y) x=max(x,y)
#define umin(x,y) x=min(x,y)
#define ll long long
#define ii pair<int,int>
#define iii pair<int,ii>
#define sz(x) ((int) x.size())
#define orta ((bas+son)>>1)
#define all(x) x.begin(),x.end()
#define dbgs(x) cerr<<(#x)<<" --> "<<(x)<<" "
#define dbg(x) cerr<<(#x)<<" --> "<<(x)<<endl;getchar()
#define pw(x) (1<<(x))
#define inf 2000000000
#define MOD 1000000007
#define MAX 10000006
#define LOG 22
using namespace std;

int MXQ;

bool query(vector<int> res) {

	return isSubsequence(res);

}

int f1(int N) {

	for(int i=1;i<=N;i++) {

		vector<int> que;

		if(i>MXQ) {

			for(int j=0;j<N-i;j++) que.pb(0);

			bool res=query(que);

			if(res==true) return i-1;

		}
		else {

			for(int j=0;j<i;j++) que.pb(1);

			bool res=query(que);

			if(res==false) return i-1;

		}

	}

	return N;

}

vector < int > findSequence (int N) {

	MXQ=N/2+1;

	int h1=f1(N);
	int h0=N-h1;
	int p1=0;
	int p0=0;

	vector<int> ans;

	for(int i=0;i<N;i++) {

		// is it 1

		vector<int> que;

		if(p1+1+h0<=MXQ) {

			for(int j=0;j<p1+1;j++) que.pb(1);

			for(int j=0;j<h0;j++) que.pb(0);

			bool res=query(que);

			if(res) {

				p1++;
				h1--;

				ans.pb(1);

			}
			else {

				p0++;
				h0--;

				ans.pb(0);

			}

		}
		else {

			for(int j=0;j<p0+1;j++) que.pb(0);

			for(int j=0;j<h1;j++) que.pb(1);

			bool res=query(que);

			if(res) {

				p0++;
				h0--;

				ans.pb(0);

			}
			else {

				p1++;
				h1--;

				ans.pb(1);
			
			}

		}

	}

	return ans;

}

Compilation message

grader.cpp: In function 'int main()':
grader.cpp:28:43: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
     fprintf (fifo_out, "%d\n", ans.size ());
                                ~~~~~~~~~~~^
grader.cpp:29:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<ans.size () && i < N; i++)
                   ~^~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct: Maximum length of a query = 5
2 Correct 2 ms 436 KB Output is correct: Maximum length of a query = 6
3 Correct 2 ms 436 KB Output is correct: Maximum length of a query = 5
4 Correct 2 ms 540 KB Output is correct: Maximum length of a query = 5
5 Correct 2 ms 540 KB Output is correct: Maximum length of a query = 4

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 540 KB Output is correct: Maximum length of a query = 83
2 Correct 6 ms 540 KB Output is correct: Maximum length of a query = 90
3 Correct 6 ms 540 KB Output is correct: Maximum length of a query = 96
4 Correct 7 ms 540 KB Output is correct: Maximum length of a query = 77
5 Correct 7 ms 540 KB Output is correct: Maximum length of a query = 95
6 Correct 5 ms 556 KB Output is correct: Maximum length of a query = 87
7 Correct 6 ms 556 KB Output is correct: Maximum length of a query = 97
8 Correct 4 ms 564 KB Output is correct: Maximum length of a query = 83
9 Correct 8 ms 564 KB Output is correct: Maximum length of a query = 101
10 Correct 7 ms 564 KB Output is correct: Maximum length of a query = 100
11 Correct 11 ms 564 KB Output is correct: Maximum length of a query = 96
12 Correct 7 ms 564 KB Output is correct: Maximum length of a query = 100
13 Correct 7 ms 564 KB Output is correct: Maximum length of a query = 101