Submission #1113729

#	Time	Username	Problem	Language	Result	Execution time	Memory
1113729		simona1230	Gap (APIO16_gap)	C++17	0 / 100	3094 ms	6084 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;

long long n;
vector<long long> v;
void solve(long long l,long long r)
{
    if(l>r)return;
    //cout<<l<<" "<<r<<" "<<ll<<" "<<rr<<endl;

    long long ans=0;

    long long len=r-l+1;
    long long b=max(1LL*1,len/n);

    for(long long i=l;i<=r;i+=b)
    {
        long long j=min(i+b-1,r);
        long long mn=0,mx=0;

        MinMax(i,j,&mn,&mx);

        if(mn==-1)continue;

        v.push_back(mn);
        v.push_back(mx);

        solve(mn+1,mx-1);
    }
}

long long findGap(int t,int N)
{
    n=N;
    solve(0,1e18);
    long long ans=0;
    sort(v.begin(),v.end());
    for(int i=1;i<v.size();i++)
        ans=max(ans,v[i]-v[i-1]);

    return ans;
}


/*int main()
{
    long long d=0;
    int x;
    cin>>x>>nn;
    for(int i=1;i<=nn;i++)
    {
        cin>>a[i];
        if(i!=1)d=max(d,a[i]-a[i-1]);
    }

    long long answer=findGap(1,nn);
    cout<<d<<" "<<answer<<endl;
}*/

Compilation message (stderr)

gap.cpp: In function 'void solve(long long int, long long int)':
gap.cpp:12:15: warning: unused variable 'ans' [-Wunused-variable]
   12 |     long long ans=0;
      |               ^~~
gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:39:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |     for(int i=1;i<v.size();i++)
      |                 ~^~~~~~~~~

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