Submission #554332

#	Time	Username	Problem	Language	Result	Execution time	Memory
554332		Koosha_mv	Gap (APIO16_gap)	C++14	100 / 100	66 ms	3300 KiB

gap

#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<x.F<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first
#include "gap.h"
 
typedef pair<ll,ll> pll;
 
const ll inf=1e18+99;
 
int n;

ll P(ll x,ll y){
	return (x+y-1)/y;
}
pair<ll,ll> get(ll l,ll r){
	ll mn,mx;
	MinMax(l,r,&mn,&mx);
	return {mn,mx};
}
ll findGap(int T, int _n){
	n=_n;
	if(T==1){
		vector<ll> A;
		pll last=get(0,inf);
		A.pb(last.F);
		A.pb(last.S);
		f(i,0,(n-1)/2){
			pll now=get(last.F+1,last.S-1);
			last=now;
			A.pb(now.F);
			A.pb(now.S);
		}
		ll ans=0;
		sort(all(A));
		f(i,1,A.size()) maxm(ans,abs(A[i]-A[i-1]));
		return ans;
	}
	if(T==2){
		vector<ll> A;
		ll ans=0;
		pll p=get(0,inf);
		ll s=p.F,e=p.S,len=P(e-s,n-1);
		ans=len;
		A.pb(s);
		A.pb(e);
		for(ll l=s;l<=e;l+=len+1){
			pll p=get(l,l+len);
			A.pb(p.F);
			A.pb(p.S);
		}
		sort(all(A));
		f(i,1,A.size()) maxm(ans,abs(A[i]-A[i-1]));
		return ans;
	}
	return 0ll;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:8:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   53 |   f(i,1,A.size()) maxm(ans,abs(A[i]-A[i-1]));
      |     ~~~~~~~~~~~~               
gap.cpp:53:3: note: in expansion of macro 'f'
   53 |   f(i,1,A.size()) maxm(ans,abs(A[i]-A[i-1]));
      |   ^
gap.cpp:8:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   70 |   f(i,1,A.size()) maxm(ans,abs(A[i]-A[i-1]));
      |     ~~~~~~~~~~~~               
gap.cpp:70:3: note: in expansion of macro 'f'
   70 |   f(i,1,A.size()) maxm(ans,abs(A[i]-A[i-1]));
      |   ^

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