Submission #423568

#	Time	Username	Problem	Language	Result	Execution time	Memory
423568		victoriad	Gap (APIO16_gap)	C++14	30 / 100	59 ms	1864 KiB

gap

#include "gap.h"
#include "vector"
#include <cmath>
using namespace std;
 long long findGap(int T, int N)
 
{ vector<long long>a(N);
long long  i=0;
long long int hi=1e18,low=0;
if(T==1){
  while(i<=(N-1)/2){
  long long int s=low,t=hi;
   MinMax(low,hi,&s,&t);
  	if(s==t){
      if(s<0)continue;
      a[i]=t;
      break;
    }
    else{
      a[i]=s;
      low=s+1;
      a[N-1-i]=t;
      hi=t-1;
    }
    i++;
  }
    long long int x=0;
	for(int k=0;k<N-1;k++){
		if(x<(a[k+1]-a[k]))x=a[k+1]-a[k];
	}
	return x;
}
else{
	long long int s,t;
	MinMax(low,hi,&s,&t);
	a[0]=s;
	a[N-1]=t;
	long long int x=1;
	low=s+1;
	while(x<=N/2){
		MinMax(low,hi,&s,&t);
		a[x]=s;
		x++;
		low=s+1;
	}
	low=0;
	hi=t-1;
	while(x<N-1){
		MinMax(low,hi,&s,&t);
		a[x]=t;
		hi=t-1;
		x++;
	}
	x=0;
	for(int k=0;k<N-1;k++){
		if(x<(a[k+1]-a[k]))x=a[k+1]-a[k];
	}
	return x;

}
}
 

• Subtask 1: 30 / 30
• Subtask 2: 0 / 70