Submission #553171

#	Time	Username	Problem	Language	Result	Execution time	Memory
553171		fcmalkcin	Gap (APIO16_gap)	C++17	Compilation error	0 ms	0 KiB

gap

#include "gap.h"

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

#define ll long long
#define pll pair<ll,ll>
#define ff first
#define ss second
//#define endl "\n"
#define pb push_back
#define F(i,a,b) for(ll i=a;i<=b;i++)

const ll maxn=1e3+5e2+100;
const ll base=2e9;
const ll mod= 1e9+7 ;

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

ll findGap(int t,int n)
{

    if (t==1)
    {
        ll l=-1,h=1e18+1;
        vector<ll> vt;
        vector<ll> vt1;
        ll mn,mx;
        ll res=0;
        for (int i=1; i<=(n+1)/2; i++)
        {
            MinMax(l+1,h-1,&mn,&mx);
            vt.pb(mn);
            vt1.pb(mx);
            l=mn;
            h=mx;
        }
        reverse(vt1.begin(),vt1.end());
        for (auto to:vt1)
            vt.pb(to);
        for (int i=1; i<vt.size(); i++)
            res=max(res,vt[i]-vt[i-1]);
        return res;
    }
    else
    {
        ll mn,mx;
        MinMax(0,1e18,&mn,&mx);
        ll len=mx-mn;
        ll pt=mx;
        ll h=(len+n-1)/(n);
        h--;
        ll l=mn;
        ll pre=base;
        ll res=0;
        while (1)
        {
            MinMax(l,l+h,&mn,&mx);
            l+=(h+1);
            if (mn!=-1)
            {
                res=max(res,mn-pre);
                pre=mx;
                if (mx==pt)
                    return ;
            }
            else
            {

            }
        }
        return res;
    }
}
/*int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    if (fopen("t.inp","r"))
    {
        freopen("test.inp","r",stdin);
        freopen("test.out","w",stdout);
    }
    ll n;
    cin>>n;
    initialize(n);
    for (int i=1;i<=n;i++)
    {

    }
}*/

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:41:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         for (int i=1; i<vt.size(); i++)
      |                       ~^~~~~~~~~~
gap.cpp:65:21: error: return-statement with no value, in function returning 'long long int' [-fpermissive]
   65 |                     return ;
      |                     ^~~~~~