Submission #42104

#	Time	Username	Problem	Language	Result	Execution time	Memory
42104		IvanC	Gap (APIO16_gap)	C++14	100 / 100	93 ms	41420 KiB

gap

#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
mt19937_64 gen(rand() ^ (rand() << 16));
typedef long long ll;
typedef pair<ll,ll> ii;
ll NN,TT,maior;
ll findGap(int T,int N){
	TT = T;
	NN = N;
	ll ini = 0,fim = (ll)1e18;
	if(T == 1){
		vector<ll> vetor;
		for(ll qtd = N;qtd >= 1;qtd -= 2){
			ll copia1,copia2;
			MinMax(ini,fim,&copia1,&copia2);
			vetor.push_back(copia1);
			vetor.push_back(copia2);
			ini = copia1;
			fim = copia2;
			ini++,fim--;
		}
		sort(vetor.begin(),vetor.end());
		for(ll i = 0;i+1<vetor.size();i++) maior = max(maior, vetor[i+1] - vetor[i] );
		return maior;
	}
	vector<ll> vetor;
	ll lo,hi;
	MinMax(ini,fim,&lo,&hi);
	ini = lo;
	fim = hi;
	ll gap = (ll)ceil(hi - lo)/double(N-1);
	for(ll left = ini;left<=fim;left += gap + 1){
		ll right = left + gap;
		MinMax(left,right,&lo,&hi);
		vetor.push_back(lo);
		vetor.push_back(hi);
	}
	sort(vetor.begin(),vetor.end());
	for(ll i = 1;i<vetor.size();i++) maior = max(maior, vetor[i] - vetor[i-1] );
	return maior;
}

Compilation message (stderr)

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:24:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(ll i = 0;i+1<vetor.size();i++) maior = max(maior, vetor[i+1] - vetor[i] );
                   ^
gap.cpp:40:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(ll i = 1;i<vetor.size();i++) maior = max(maior, vetor[i] - vetor[i-1] );
                ^

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70