Submission #230247

#	Time	Username	Problem	Language	Result	Execution time	Memory
230247		mat_v	Gap (APIO16_gap)	C++14	0 / 100	79 ms	3308 KiB

gap

#include "gap.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>

#define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
#define fb(i,a,b) for(int (i) = (a); (i) >= (b); --(i))
#define mod 998244353
#define xx first
#define yy second
#define all(a) (a).begin(), (a).end()
#define pb push_back
#define ll long long
#define pii pair<int,int>


using namespace std;
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>,rb_tree_tag, tree_order_statistics_node_update> ordered_set;/// find_by_order(x)(x+1th) , order_of_key() (strictly less)
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());


long long findGap(int t, int n){
    if(t == 1){
        ll l = 0;
        ll r = 1000000000;
        r *= r;
        vector<ll>svi;
        while(l <= r){
            ll mn,mx;
            MinMax(l,r,&mn,&mx);
            svi.pb(mx);
            if(mn == -1 || mx == -1)break;
            if(mn != mx)svi.pb(mn);
            l = mn+1;
            r = mx-1;
        }
        sort(svi.begin(), svi.end());
        ll res = 0;
        ff(i,1,n - 1){
            res = max(res, svi[i] - svi[i - 1]);
        }
        return res;
    }
    else if(t == 2){
        ll mn,mx;
        ll l = 0;
        ll r = 1000000000;
        r *= r;
        vector<ll> svi;
        MinMax(l,r,&mn,&mx);
        svi.pb(mn);
        svi.pb(mx);

        ll dif = mx - mn;
        dif /= (n-1);
        for(ll i = mn; i<=mx; i+=dif){
            ll p1,p2;
            MinMax(i,i+dif,&p1,&p2);
            if(p1 == -1)continue;
            svi.pb(p1);
            svi.pb(p2);
        }
        ll res = 0;
        ff(i,1,n - 1){
            res = max(res, svi[i] - svi[i - 1]);
        }
        return res;
    }
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:71:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

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