Submission #203975

#	Time	Username	Problem	Language	Result	Execution time	Memory
203975		Segtree	Gap (APIO16_gap)	C++14	Compilation error	0 ms	0 KiB

gap

#include<iostream>
#include<algorithm>
#include<vector>
#include"gap.h"
using namespace std;
typedef long long ll;
#define chmin(a,b) a=min(a,b)
#define chmax(a,b) a=max(a,b)
#define rep(i,n) for(int i=0;i<n;i++)
#define mod 1000000007
#define mad(a,b) a=(a+b)%mod
/*
ll a[100010],n,m;
void MinMax(ll s,ll t,ll &mn,ll &mx){
	m++;
	ll l,r,mid;
	l=-1,r=n;
	while(l<r-1){
		mid=(l+r)>>1;
		if(a[mid]>=s)r=mid;
		else l=mid;
	}
	mn=a[r];
	l=-1,r=n;
	while(l<r-1){
		mid=(l+r)>>1;
		if(a[mid]<=t)l=mid;
		else r=mid;
	}
	mx=a[l];
}*/

ll findGap(int T,int N){
	ll mn,mx;
	MinMax(0,1e18,mn,mx);
	ll lower=(mx-mn+N-1-1)/N-1;
	vector<ll> v;
	v.push_back(mn);
	v.push_back(mx);
	for(int i=0;i<N;i++){
		MinMax(i*lower+1,(i+1)*lower,mn,mx);
		v.push_back(mn);
		v.push_back(mx);
	}
	sort(v.begin(),v.end());
	ll ans=0;
	rep(i,v.size()-1)ans=max(ans,v[i+1]-v[i]);
	return ans;
}
/*
int main(){
	n=100000;
	rep(i,n)a[i]=rand()%mod;
	sort(a,a+n);
	ll ans=0;
	rep(i,n-1)chmax(ans,a[i+1]-a[i]);
	m=0;
	cout<<ans<<endl;
	cout<<findGap(0,n)<<endl;
	cout<<"m="<<m<<endl;
}*/

Compilation message (stderr)

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:35:21: error: invalid conversion from 'll {aka long long int}' to 'long long int*' [-fpermissive]
  MinMax(0,1e18,mn,mx);
                     ^
In file included from gap.cpp:4:0:
gap.h:1:6: note:   initializing argument 3 of 'void MinMax(long long int, long long int, long long int*, long long int*)'
 void MinMax(long long, long long, long long*, long long*);
      ^~~~~~
gap.cpp:35:21: error: invalid conversion from 'll {aka long long int}' to 'long long int*' [-fpermissive]
  MinMax(0,1e18,mn,mx);
                     ^
In file included from gap.cpp:4:0:
gap.h:1:6: note:   initializing argument 4 of 'void MinMax(long long int, long long int, long long int*, long long int*)'
 void MinMax(long long, long long, long long*, long long*);
      ^~~~~~
gap.cpp:41:37: error: invalid conversion from 'll {aka long long int}' to 'long long int*' [-fpermissive]
   MinMax(i*lower+1,(i+1)*lower,mn,mx);
                                     ^
In file included from gap.cpp:4:0:
gap.h:1:6: note:   initializing argument 3 of 'void MinMax(long long int, long long int, long long int*, long long int*)'
 void MinMax(long long, long long, long long*, long long*);
      ^~~~~~
gap.cpp:41:37: error: invalid conversion from 'll {aka long long int}' to 'long long int*' [-fpermissive]
   MinMax(i*lower+1,(i+1)*lower,mn,mx);
                                     ^
In file included from gap.cpp:4:0:
gap.h:1:6: note:   initializing argument 4 of 'void MinMax(long long int, long long int, long long int*, long long int*)'
 void MinMax(long long, long long, long long*, long long*);
      ^~~~~~
gap.cpp:9:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define rep(i,n) for(int i=0;i<n;i++)
gap.cpp:47:6:
  rep(i,v.size()-1)ans=max(ans,v[i+1]-v[i]);
      ~~~~~~~~~~~~              
gap.cpp:47:2: note: in expansion of macro 'rep'
  rep(i,v.size()-1)ans=max(ans,v[i+1]-v[i]);
  ^~~