Submission #672271

#	Time	Username	Problem	Language	Result	Execution time	Memory
672271		Dan4Life	Gap (APIO16_gap)	C++17	0 / 100	44 ms	2256 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
//#define int long long
using ll = long long;
#define fi first
#define se second
#define pb push_back
#define all(a) a.begin(),a.end()
#define sz(a) (int)a.size()
const int maxn = 5e5+10;
const ll LINF = (ll)2e18;

long long findGap(int T, int N)
{
	ll s=0, t=LINF,mn,mx,ans=0; 
	vector<ll> v; v.clear();
	while(1){
		if(s>=t or mn==-1) break; 
		MinMax(s,t,&mn,&mx); 
		if(mn!=-1) v.pb(mn);
		else break;
		v.pb(mx);
		s=mn+1,t=mx-1;
	}
	if(N>sz(v)) v.pb(s);
	sort(all(v));
	for(int i = 0; i < sz(v)-1; i++) ans = max(ans, v[i+1]-v[i]);
	return ans;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:19:16: warning: 'mn' is used uninitialized in this function [-Wuninitialized]
   19 |   if(s>=t or mn==-1) break;
      |              ~~^~~~

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