Submission #721418

#	Time	Username	Problem	Language	Result	Execution time	Memory
721418		FatihSolak	Gap (APIO16_gap)	C++17	100 / 100	51 ms	1872 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
const long long INF = 1e18;
long long findGap(int t, int n)
{
	if(t == 1){
		int cnt = 0;
		vector<long long> v(n);
		long long l = -1,r=INF+1;
		while(cnt <= n-1-cnt){
			MinMax(l+1,r-1,&v[cnt],&v[n-1-cnt]);
			l = v[cnt];
			r = v[n-1-cnt];
			cnt++;
		}
		long long ans = 0;
		for(int i = 1;i<n;i++){
			ans = max(ans,v[i]-v[i-1]);
		}
		return ans;
	}
	if(t == 2){
		long long x,y;
		MinMax(0,INF,&x,&y);
		long long ans = (y-x)/(n-1);
		long long num = x;
		long long last = x;
		while(num != y){
			long long tmp1,tmp2;
			MinMax(num+1,num+ans,&tmp1,&tmp2);
			if(tmp1 == -1){
				num += ans;
			}
			else{
				ans = max(ans,tmp1 - last);
				num = tmp2;
				last = tmp2;
			}
		}
		return ans;
	}
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:43:1: warning: control reaches end of non-void function [-Wreturn-type]
   43 | }
      | ^

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