Submission #683934

#	Time	Username	Problem	Language	Result	Execution time	Memory
683934		abcdehello	Gap (APIO16_gap)	C++17	70 / 100	56 ms	3268 KiB

gap

#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll findGap(int T, int N)
{
	ll mn,mx;
	MinMax(0,1LL<<60,&mn,&mx);
	vector<ll> a(0);
	ll ans=-1;
	if (T==1){
		a.push_back(mn);a.push_back(mx);
		while (mn<mx){
			MinMax(mn+1,mx-1,&mn,&mx);
			if (mn!=-1) a.push_back(mn);
			if (mx!=-1) a.push_back(mx);
		}
	}
	else{
		ll gmn=mn,gmx=mx,rng=(mx-mn+N-2)/(N-1)+1;
		a.push_back(mn);a.push_back(mx);
		gmn++;
		while (gmn<gmx){
			MinMax(gmn,gmn+rng,&mn,&mx);
			if (mn!=-1) a.push_back(mn);
			if (mx!=-1) a.push_back(mx);
			gmn+=rng;
		}
	}
	sort(a.begin(),a.end());
	for (int i=1;i<a.size();i++){
		ans=max(ans,a[i]-a[i-1]);
	}
	return ans;
	return 0;
}

Compilation message (stderr)

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:31:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |  for (int i=1;i<a.size();i++){
      |               ~^~~~~~~~~

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