Submission #1147584

#	Time	Username	Problem	Language	Result	Execution time	Memory
1147584		modwwe	Gap (APIO16_gap)	C++20	100 / 100	39 ms	2240 KiB

gap

#include "gap.h"
#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
//#define int   long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task2 "ftree"
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define mask(k) (1<<k)
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
#define getchar_unlocked getchar
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l,int r)
{
    return uniform_int_distribution<int>(l,r)(rd);
}
void phongbeo();
const int inf = 1e16;
const ll mod2 = 1e9+7;
const ll base=67;
ll  n, m, s1, s2, s4, s3, sf, k, s5, s6, mx, s7, s8, s9, mx2, res, dem2 = 0, dem = 0, s33, dem3, dem4, mid, l2, r2, center;
ll  i, s10, s12,k1,k2,k3,s11,lim,w,l,r ;
ll kk;
ll t;
ll el = 19;/*
main()
{
    if(fopen(task2".inp","r"))
    {
        fin(task2);
        fou(task2);
    }
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    ios_base::sync_with_stdio(0);
    cout.tie(0);
    cin.tie(0);
    /// cin>>s1;
//int t;cin>>t; while(t--)
    phongbeo();
    // checktime
}
map<int,int>c;
set<int> s;
int a[100001];
map<int,int> d;

void MinMax(int l,int r,int& mn,int& mx)
{
    auto x=s.lower_bound(l);
    if(x==s.end()||*x>r)
    { m++;
        mn=-1,mx=-1;
        return;
    }
    mn=*x;
    x=s.upper_bound(r);
    x=prev(x);
    mx=*x;
m=m+d[mx]-d[mn]+1;
}*/
ll findGap(int t,int n)
{
    if(t==1)
    {
        l=0;
        r=1e18;
        vector<ll> v;
        while(l<r&&v.size()<n)
        {
            MinMax(l,r,&l,&r);
            v.pb(l);
            if(l!=r)
                v.pb(r);
            l++;
            r--;
        }
        sort(v.begin(),v.end());
        for(int i=0;i<v.size()-1;i++)
            s7=max(v[i+1]-v[i],s7);
        return s7;
    }
    else
    {    MinMax(0,1e18,&l,&r);

        ll sz=(r-l)/(n-1)+((r-l)%(n-1)!=0);
        s7=0;
        ll last=l;
        l++;
        s7=sz;
        for(l; l<r; l+=s7+1)
        {
            MinMax(l,min(l+s7,r-1),&s5,&s6);
            if(s5==-1) continue;
            s7=max(s7,s5-last);
            last=s6;
            l=s6+1-(s7+1);
        }
        s7=max(s7,r-last);
        return s7;
    }
}/*
void phongbeo()
{
    cin>>n;
    /*for(int i=1;i<=n;i++)
    {
         cin>>a[i];
         c[a[i]]=1;
         s.insert(a[i]);
    }
    for(int i=1; i<=n; i++)
    {
        int x=rand(1,1e18);
        while(c[x])
            x=rand(1,1e18);
        c[x]=1;
        a[i]=x;
        s.insert(x);
    }
    sort(a+1,a+1+n);
    s4=0;
    for(int i=1;i<=n;i++)
        d[a[i]]=i;
    for(int i=1; i<n; i++){
            if(a[i+1]-a[i]==374219061325381864)
            cout<<a[i],down
        s4=max(a[i+1]-a[i],s4);}
    s2=findGap(2,n);
    for(int i=1;i<=n;i++)
        cout<<a[i]<<" ";
    down
  cout<<s2<<" "<<s4,down
   assert(s2==s4);
}
*/

Compilation message (stderr)

gap.cpp:26:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+16' to '2147483647' [-Woverflow]
   26 | const int inf = 1e16;
      |                 ^~~~

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