Submission #388989

#	Time	Username	Problem	Language	Result	Execution time	Memory
388989		David_M	Gap (APIO16_gap)	C++14	70 / 100	3096 ms	1104 KiB

gap

#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const ll INF=1e18;
ll findGap(int T, int N){
	ll mn, mx;
	MinMax(0, INF, &mn, &mx);
	if(N==2)return mx-mn;
	if(T==1){
		ll MN, MX, Ans=0;
		while(mn!=-1)MinMax(mn+1, mx-1, &MN, &MX),Ans=max(Ans, max(mx-MX, MN-mn-(ll)(mn==-1)*INF));
		return Ans;
	}
	ll l=mn, r=mx, ans=(mx-mn+1)/((ll)N)+1, Ans=0, MX=mn;
	for (ll i=0; i<N; i++)
		MinMax(l+1+i*ans, l+(i+1)*ans, &mn, &mx),
		Ans=max(Ans, mn-MX),
		MX=max(MX, mx);
	return Ans;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:15:11: warning: unused variable 'r' [-Wunused-variable]
   15 |  ll l=mn, r=mx, ans=(mx-mn+1)/((ll)N)+1, Ans=0, MX=mn;
      |           ^

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