Submission #81584

#	Time	Username	Problem	Language	Result	Execution time	Memory
81584		farukkastamonuda	Hidden Sequence (info1cup18_hidden)	C++14	100 / 100	11 ms	692 KiB

hidden

#include "grader.h"
#include <bits/stdc++.h>
#define fi first
#define se second
#define lo long long 
#define inf 1000000009
#define md 1000000007
#define li 500005
#define mp make_pair
#define pb push_back
using namespace std;
int i,h,k;
vector<int> u,ans;
vector<int> findSequence(int n){
	for(i=0;i<=n/2;i++){
		u.pb(1);
		if(isSubsequence(u)==0) break;
	}
	if(i<=n/2){
		h=1;
		k=i;
		u.pop_back();
	}
	else{
		h=0;
		u.clear();
		for(k=0; ;k++){
			u.pb(0);
			if(isSubsequence(u)==0) break;
		}
		u.pop_back();
	}
	int kk=n-k;
	int t=0,tt=0;
	for(int j=0;j<n;j++){
		vector<int> v;
		if(k+tt<kk+t){
			for(int i=1;i<=tt+1;i++) v.pb(!h);
			for(int i=1;i<=k;i++) v.pb(h);
			if(isSubsequence(v)){ans.pb(!h);tt++;kk--;}
			else {ans.pb(h);t++;k--;}
		}
		else{
			for(int i=1;i<=t+1;i++) v.pb(h);
			for(int i=1;i<=kk;i++) v.pb(!h);
			if(isSubsequence(v)){ans.pb(h);t++;k--;}
			else{ans.pb(!h);tt++;kk--;}
		}
	}
	return ans;
}

Compilation message (stderr)

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 / 20
• Subtask 2: 80 / 80