oj.uz

Submission #312572

# Submission time Handle Problem Language Result Execution time Memory
312572 2020-10-13T17:46:58 Z leaked Drvca (COCI19_drvca) C++14
110 / 110
 236 ms 12152 KB 
#include<bits/stdc++.h>
using namespace std;
//#define int long long
//#include<ext/pb_ds/assoc_container.hpp>
//#include<ext/pb_ds/tree_policy.hpp>
//
//    #pragma GCC optimize("-O3")
//    #pragma GCC optimize("no-stack-protector")
//    #pragma GCC optimize("fast-math")
//    #pragma GCC optimize("Ofast")
//    #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
//    #pragma GCC target("avx,avx2,fma")
//    #pragma GCC optimization ("unroll-loops")
//#define LOCAL
#define sim template < class c
#define ris return * this
#define dor > debug & operator <<
#define eni(x) sim > typename \
  enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifndef LOCAL
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {
  ris << "(" << d.first << ", " << d.second << ")";
}
sim dor(rge<c> d) {
  *this << "[";
  for (auto it = d.b; it != d.e; ++it)
	*this << ", " + 2 * (it == d.b) << *it;
  ris << "]";
}
#else
sim dor(const c&) { ris; }
#endif
};
#define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
#define fi first
#define f first
#define se second
#define vec multiset
#define s second
#define vi_a vector<int>a;
#define p_b insert
#define pb insert
////////////////////////////////???????????????CHECK THIS OUT???????????????//////////////////////////////
#define ll long long
//#define int long long
typedef unsigned long long ull;
////////////////////////////////???????????????CHECK THIS OUT???????????????//////////////////////////////
#define ld long double
#define pll pair<ll,ll>
#define pii pair<int,int>
#define m_p make_pair
#define fast_io cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(0);
#define all(x) x.begin(),x.end()
#define getfiles    ifstream cin("input.txt");ofstream cout("output.txt");
#define pw(x) (1ll << x)
#define sz(x) (int)x.size()
#define endl "\n"
#define rall(x) x.rbegin(),x.rend()
#define len(a) (ll)a.size()
#define rep(x,l,r) for(ll x=l;x<r;x++)
//using namespace __gnu_pbds;
ld eps = (ld)1 / 1e6;
const ld pi=3.14159265359;
ll inf = 1e18,mod1=1e9+7;
ll sqr(ll a) { return a * a; }
ll qb(ll a) { return a * a * a; }
template<typename T> bool umax(T& a, T b) {return a<b?a=b,1:0;}
template<typename T> bool umin(T& a, T b) {return b<a?a=b,1:0;}
bool is_prime(ll val){for(ll i=2;i<=sqrt(val);i++)if(val%i==0)return 0; return 1;}
ll gcd(ll a, ll b) { return !a ? b : gcd(b % a, a); }
ll binpow(ll a, ll b, ll mod) { return b ? (b % 2 ? (a * (sqr(binpow(a, b / 2, mod)) % mod)) % mod : sqr(binpow(a, b / 2, mod)) % mod) : 1; }ll binmult(ll a, ll b, ll mod) { return b ? (b % 2 ? (2 * binmult(a, b / 2, mod) + a) % mod : (2 * binmult(a, b / 2, mod)) % mod) : 0; }
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
const ll RR=1e4;
const ll tx[8]={1,-1,2,-2,-1,-2};
const ll ty[8]={-2,-2,-1,-1,2,1};
const char rev_to[4]={'E','W','N','S'};
const int M=1e9+7;
const int N=3e2+3;
const int ppp=73;
const int K=2e5+2;
const int block=600;
const int OPEN=1;
const int CLOSE=0;
//typedef pair<long long,int> pli;
//typedef tree<pli,null_type,less<pli>,rb_tree_tag,tree_order_statistics_node_update> o_st;
auto rnd=bind(uniform_int_distribution<int>(1,5969699),mt19937(time(0)));
void bad(){
    cout<<"IMPOSSIBLE";
    exit(0);
}
vector<int>a;
int n;
bool is(const vec<int> &a){
    if(sz(a)==1)
        return 1;
    if(sz(a)==0)
        return 0;
    int d=*next(a.begin())-*a.begin();
    auto it1=next(a.begin()),it=a.begin();
    for(int i=2;i<sz(a);i++){
        it1=next(it1);
        it=next(it);
        if((*it1-*it)!=d)
            return 0;
    }
    return 1;
}
struct setik{
    multiset<int>st;
    set<int>dif;
    map<int,int>kek;
    void add(int vl){
        auto it=st.lower_bound(vl);
        if(it!=st.begin()){
            it--;
            dif.insert(vl-*it);
            kek[vl-*it]++;
            it++;
        }
        if(it!=st.end()){
            dif.insert(*it-vl);
            kek[*it-vl]++;
        }
        if(it!=st.begin() && it!=st.end()){
            kek[*it-*prev(it)]--;
            if(kek[*it-*prev(it)]==0)
                dif.erase(*it-*prev(it));
        }
        st.insert(vl);
    }
};
void prnt(vec<int> a,vec<int>b){
    cout<<sz(a)<<endl;
    for(auto &z : a) cout<<z<<' ';
    cout<<endl;
    cout<<sz(b)<<endl;
    for(auto &z : b) cout<<z<<' ';
    exit(0);
}
void tre1(setik &f,setik & s){
    while(sz(f.st)>1 && sz(s.dif)!=1){
        int vl=*f.st.rbegin();
        f.st.erase(--f.st.end());
        s.add(vl);
    }
    if(sz(f.dif)==1 && sz(s.dif)==1){
//        debug()<<imie(f.st);
        assert(is(f.st));
        prnt(f.st,s.st);
    }
}
void testcase(int st,int d1){
    swap(st,d1);
    setik f,s;
    f.add(a[st]);
    for(int i=0;i<n;i++){
        if(i==st) continue;
        if(a[i]-*f.st.rbegin()==d1){
            f.add(a[i]);
        }
        else{
            s.add(a[i]);
        }
    }
    tre1(f,s);
}
signed main()
{
    fast_io;

    cin>>n;
    a.resize(n);
    for(int i=0;i<n;i++){
        cin>>a[i];
    }
    if(n==2){
        cout<<1<<endl;
        cout<<a[0]<<endl;
        cout<<1<<endl;
        cout<<a[1]<<endl;
        exit(0);
    }
    sort(all(a));
    testcase(a[1]-a[0],0);
    testcase(a[2]-a[1],1);
    testcase(a[2]-a[0],0);
    cout<<-1;
    return 0;
}
/*
15
999834725 999842153 999849581 999857009 999864437 999871865 999879293 999886721 999894149 999901577 999909005 999916433 999901579 999909005 999916431
*/

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 11128 KB Output is correct
2 Correct 70 ms 11128 KB Output is correct
3 Correct 76 ms 11132 KB Output is correct
4 Correct 68 ms 11128 KB Output is correct
5 Correct 66 ms 11128 KB Output is correct
6 Correct 72 ms 11128 KB Output is correct
7 Correct 68 ms 11128 KB Output is correct
8 Correct 71 ms 11260 KB Output is correct
9 Correct 69 ms 10872 KB Output is correct
10 Correct 70 ms 11128 KB Output is correct
11 Correct 58 ms 11128 KB Output is correct
12 Correct 1 ms 384 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 63 ms 11128 KB Output is correct
32 Correct 70 ms 11128 KB Output is correct
33 Correct 76 ms 11132 KB Output is correct
34 Correct 68 ms 11128 KB Output is correct
35 Correct 66 ms 11128 KB Output is correct
36 Correct 72 ms 11128 KB Output is correct
37 Correct 68 ms 11128 KB Output is correct
38 Correct 71 ms 11260 KB Output is correct
39 Correct 69 ms 10872 KB Output is correct
40 Correct 70 ms 11128 KB Output is correct
41 Correct 58 ms 11128 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 69 ms 12152 KB Output is correct
44 Correct 236 ms 8316 KB Output is correct
45 Correct 66 ms 11512 KB Output is correct
46 Correct 71 ms 12152 KB Output is correct
47 Correct 181 ms 8824 KB Output is correct
48 Correct 64 ms 11692 KB Output is correct
49 Correct 73 ms 12152 KB Output is correct
50 Correct 134 ms 7160 KB Output is correct
51 Correct 73 ms 11640 KB Output is correct
52 Correct 75 ms 12152 KB Output is correct
53 Correct 183 ms 8952 KB Output is correct
54 Correct 64 ms 11512 KB Output is correct
55 Correct 70 ms 12152 KB Output is correct
56 Correct 59 ms 12152 KB Output is correct
57 Correct 61 ms 12152 KB Output is correct
58 Correct 1 ms 384 KB Output is correct