Submission #947231

#	Time	Username	Problem	Language	Result	Execution time	Memory
947231		simona1230	Gap (APIO16_gap)	C++17	30 / 100	34 ms	4188 KiB

gap

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

long long ans,mn,mx;
vector<long long> v;
void solve(long long l,long long r)
{
    if(l>r)return;
    long long m=(l+r)/2;
    MinMax(l,r,&mn,&mx);
    if(mn==-1)return;
    v.push_back(mn);
    if(mx!=mn)v.push_back(mx);
    else return;
    solve(mn,m);
    solve(m+1,mx);
}


long long findGap(int t,int n)
{
    if(t==1)
    {
        long long l=0,r=1e18;
        while(l<=r&&v.size()<n)
        {
            long long minn,maxx;
            MinMax(l,r,&minn,&maxx);
            if(minn==-1)break;
            v.push_back(minn);
            if(minn!=maxx)v.push_back(maxx);
            l=minn+1,r=maxx-1;
        }
    }
    else solve(0,1e18);
    sort(v.begin(),v.end());
    for(int i=1; i<v.size(); i++)
        ans=max(ans,v[i]-v[i-1]);
    return ans;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:26:29: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   26 |         while(l<=r&&v.size()<n)
      |                     ~~~~~~~~^~
gap.cpp:38:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     for(int i=1; i<v.size(); i++)
      |                  ~^~~~~~~~~

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