Submission #876306

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
876306	2023-11-21T14:17:26 Z	maroonrk	Longest Trip (IOI23_longesttrip)	C++17	100 / 100	10 ms	1116 KB

longesttrip

#include "longesttrip.h"

#ifndef LOCAL
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#endif

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

using ll=long long;
//#define int ll

#define rng(i,a,b) for(int i=int(a);i<int(b);i++)
#define rep(i,b) rng(i,0,b)
#define gnr(i,a,b) for(int i=int(b)-1;i>=int(a);i--)
#define per(i,b) gnr(i,0,b)
#define pb push_back
#define eb emplace_back
#define a first
#define b second
#define bg begin()
#define ed end()
#define all(x) x.bg,x.ed
#define si(x) int(x.size())
#ifdef LOCAL
#define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl
#else
#define dmp(x) void(0)
#endif

template<class t,class u> bool chmax(t&a,u b){if(a<b){a=b;return true;}else return false;}
template<class t,class u> bool chmin(t&a,u b){if(b<a){a=b;return true;}else return false;}

template<class t> using vc=vector<t>;
template<class t> using vvc=vc<vc<t>>;

using pi=pair<int,int>;
using vi=vc<int>;

template<class t,class u>
ostream& operator<<(ostream& os,const pair<t,u>& p){
	return os<<"{"<<p.a<<","<<p.b<<"}";
}

template<class t> ostream& operator<<(ostream& os,const vc<t>& v){
	os<<"{";
	for(auto e:v)os<<e<<",";
	return os<<"}";
}

#define mp make_pair
#define mt make_tuple
#define one(x) memset(x,-1,sizeof(x))
#define zero(x) memset(x,0,sizeof(x))
#ifdef LOCAL
void dmpr(ostream&os){os<<endl;}
template<class T,class... Args>
void dmpr(ostream&os,const T&t,const Args&... args){
	os<<t<<" ";
	dmpr(os,args...);
}
#define dmp2(...) dmpr(cerr,__LINE__,##__VA_ARGS__)
#else
#define dmp2(...) void(0)
#endif

using uint=unsigned;
using ull=unsigned long long;

template<class t,size_t n>
ostream& operator<<(ostream&os,const array<t,n>&a){
	return os<<vc<t>(all(a));
}

template<int i,class T>
void print_tuple(ostream&,const T&){
}

template<int i,class T,class H,class ...Args>
void print_tuple(ostream&os,const T&t){
	if(i)os<<",";
	os<<get<i>(t);
	print_tuple<i+1,T,Args...>(os,t);
}

template<class ...Args>
ostream& operator<<(ostream&os,const tuple<Args...>&t){
	os<<"{";
	print_tuple<0,tuple<Args...>,Args...>(os,t);
	return os<<"}";
}

ll read(){
	ll i;
	cin>>i;
	return i;
}

vi readvi(int n,int off=0){
	vi v(n);
	rep(i,n)v[i]=read()+off;
	return v;
}

pi readpi(int off=0){
	int a,b;cin>>a>>b;
	return pi(a+off,b+off);
}

template<class t>
void print_single(t x,int suc=1){
	cout<<x;
	if(suc==1)
		cout<<"\n";
	if(suc==2)
		cout<<" ";
}

template<class t,class u>
void print_single(const pair<t,u>&p,int suc=1){
	print_single(p.a,2);
	print_single(p.b,suc);
}

template<class T>
void print_single(const vector<T>&v,int suc=1){
	rep(i,v.size())
		print_single(v[i],i==int(v.size())-1?suc:2);
}

template<class T>
void print_offset(const vector<T>&v,ll off,int suc=1){
	rep(i,v.size())
		print_single(v[i]+off,i==int(v.size())-1?suc:2);
}

template<class T,size_t N>
void print_single(const array<T,N>&v,int suc=1){
	rep(i,N)
		print_single(v[i],i==int(N)-1?suc:2);
}

template<class T>
void print(const T&t){
	print_single(t);
}

template<class T,class ...Args>
void print(const T&t,const Args&...args){
	print_single(t,2);
	print(args...);
}

string readString(){
	string s;
	cin>>s;
	return s;
}

template<class T>
T sq(const T& t){
	return t*t;
}

void YES(bool ex=true){
	cout<<"YES\n";
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}
void NO(bool ex=true){
	cout<<"NO\n";
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}
void Yes(bool ex=true){
	cout<<"Yes\n";
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}
void No(bool ex=true){
	cout<<"No\n";
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}
//#define CAPITAL
/*
void yes(bool ex=true){
	#ifdef CAPITAL
	cout<<"YES"<<"\n";
	#else
	cout<<"Yes"<<"\n";
	#endif
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}
void no(bool ex=true){
	#ifdef CAPITAL
	cout<<"NO"<<"\n";
	#else
	cout<<"No"<<"\n";
	#endif
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}*/
void possible(bool ex=true){
	#ifdef CAPITAL
	cout<<"POSSIBLE"<<"\n";
	#else
	cout<<"Possible"<<"\n";
	#endif
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}
void impossible(bool ex=true){
	#ifdef CAPITAL
	cout<<"IMPOSSIBLE"<<"\n";
	#else
	cout<<"Impossible"<<"\n";
	#endif
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}

constexpr ll ten(int n){
	return n==0?1:ten(n-1)*10;
}

const ll infLL=LLONG_MAX/3;

#ifdef int
const int inf=infLL;
#else
const int inf=INT_MAX/2-100;
#endif

int topbit(signed t){
	return t==0?-1:31-__builtin_clz(t);
}
int topbit(ll t){
	return t==0?-1:63-__builtin_clzll(t);
}
int topbit(ull t){
	return t==0?-1:63-__builtin_clzll(t);
}
int botbit(signed a){
	return a==0?32:__builtin_ctz(a);
}
int botbit(ll a){
	return a==0?64:__builtin_ctzll(a);
}
int botbit(ull a){
	return a==0?64:__builtin_ctzll(a);
}
int popcount(signed t){
	return __builtin_popcount(t);
}
int popcount(ll t){
	return __builtin_popcountll(t);
}
int popcount(ull t){
	return __builtin_popcountll(t);
}
int bitparity(ll t){
	return __builtin_parityll(t);
}
bool ispow2(int i){
	return i&&(i&-i)==i;
}
ll mask(int i){
	return (ll(1)<<i)-1;
}
ull umask(int i){
	return (ull(1)<<i)-1;
}
ll minp2(ll n){
	if(n<=1)return 1;
	else return ll(1)<<(topbit(n-1)+1);
}

bool inc(int a,int b,int c){
	return a<=b&&b<=c;
}

template<class t> void mkuni(vc<t>&v){
	sort(all(v));
	v.erase(unique(all(v)),v.ed);
}

ll rand_int(ll l, ll r) { //[l, r]
	//#ifdef LOCAL
	static mt19937_64 gen;
	/*#else
	static mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count());
	#endif*/
	return uniform_int_distribution<ll>(l, r)(gen);
}

ll rand_int(ll k){ //[0,k)
	return rand_int(0,k-1);
}

template<class t>
void myshuffle(vc<t>&a){
	rep(i,si(a))swap(a[i],a[rand_int(0,i)]);
}

template<class t,class u>
int lwb(const vc<t>&v,const u&a){
	return lower_bound(all(v),a)-v.bg;
}
template<class t,class u>
bool bis(const vc<t>&v,const u&a){
	return binary_search(all(v),a);
}

vvc<int> readGraph(int n,int m){
	vvc<int> g(n);
	rep(i,m){
		int a,b;
		cin>>a>>b;
		//sc.read(a,b);
		a--;b--;
		g[a].pb(b);
		g[b].pb(a);
	}
	return g;
}

vvc<int> readTree(int n){
	return readGraph(n,n-1);
}

template<class t>
vc<t> presum(const vc<t>&a){
	vc<t> s(si(a)+1);
	rep(i,si(a))s[i+1]=s[i]+a[i];
	return s;
}
vc<ll> presum(const vi&a){
	vc<ll> s(si(a)+1);
	rep(i,si(a))s[i+1]=s[i]+a[i];
	return s;
}
//BIT で数列を管理するときに使う (CF850C)
template<class t>
vc<t> predif(vc<t> a){
	gnr(i,1,si(a))a[i]-=a[i-1];
	return a;
}
template<class t>
vvc<ll> imos(const vvc<t>&a){
	int n=si(a),m=si(a[0]);
	vvc<ll> b(n+1,vc<ll>(m+1));
	rep(i,n)rep(j,m)
		b[i+1][j+1]=b[i+1][j]+b[i][j+1]-b[i][j]+a[i][j];
	return b;
}

//verify してないや
void transvvc(int&n,int&m){
	swap(n,m);
}
template<class t,class... Args>
void transvvc(int&n,int&m,vvc<t>&a,Args&...args){
	assert(si(a)==n);
	vvc<t> b(m,vi(n));
	rep(i,n){
		assert(si(a[i])==m);
		rep(j,m)b[j][i]=a[i][j];
	}
	a.swap(b);
	transvvc(n,m,args...);
}
//CF854E
void rotvvc(int&n,int&m){
	swap(n,m);
}
template<class t,class... Args>
void rotvvc(int&n,int&m,vvc<t>&a,Args&...args){
	assert(si(a)==n);
	vvc<t> b(m,vi(n));
	rep(i,n){
		assert(si(a[i])==m);
		rep(j,m)b[m-1-j][i]=a[i][j];
	}
	a.swap(b);
	rotvvc(n,m,args...);
}

//ソートして i 番目が idx[i]
//CF850C
template<class t>
vi sortidx(const vc<t>&a){
	int n=si(a);
	vi idx(n);iota(all(idx),0);
	sort(all(idx),[&](int i,int j){return a[i]<a[j];});
	return idx;
}
//vs[i]=a[idx[i]]
//例えば sortidx で得た idx を使えば単にソート列になって返ってくる
//CF850C
template<class t>
vc<t> a_idx(const vc<t>&a,const vi&idx){
	int n=si(a);
	assert(si(idx)==n);
	vc<t> vs(n);
	rep(i,n)vs[i]=a[idx[i]];
	return vs;
}
//CF850C
vi invperm(const vi&p){
	int n=si(p);
	vi q(n);
	rep(i,n)q[p[i]]=i;
	return q;
}

template<class t,class s=t>
s SUM(const vc<t>&a){
	return accumulate(all(a),s(0));
}

template<class t>
t MAX(const vc<t>&a){
	return *max_element(all(a));
}

template<class t>
pair<t,int> MAXi(const vc<t>&a){
	auto itr=max_element(all(a));
	return mp(*itr,itr-a.bg);
}

template<class t>
t MIN(const vc<t>&a){
	return *min_element(all(a));
}

template<class t>
pair<t,int> MINi(const vc<t>&a){
	auto itr=min_element(all(a));
	return mp(*itr,itr-a.bg);
}

vi vid(int n){
	vi res(n);iota(all(res),0);
	return res;
}

template<class S>
void soin(S&s){
	sort(all(s));
}

template<class S>
S soout(S s){
	soin(s);
	return s;
}

template<class S>
void rein(S&s){
	reverse(all(s));
}

template<class S>
S reout(S s){
	rein(s);
	return s;
}

template<class t,class u>
pair<t,u>&operator+=(pair<t,u>&a,pair<t,u> b){
	a.a+=b.a;a.b+=b.b;return a;}
template<class t,class u>
pair<t,u>&operator-=(pair<t,u>&a,pair<t,u> b){
	a.a-=b.a;a.b-=b.b;return a;}
template<class t,class u>
pair<t,u> operator+(pair<t,u> a,pair<t,u> b){return mp(a.a+b.a,a.b+b.b);}
template<class t,class u>
pair<t,u> operator-(pair<t,u> a,pair<t,u> b){return mp(a.a-b.a,a.b-b.b);}

template<class t>
t gpp(vc<t>&vs){
	assert(si(vs));
	t res=move(vs.back());
	vs.pop_back();
	return res;
}

template<class t,class u>
void pb(vc<t>&a,const vc<u>&b){
	a.insert(a.ed,all(b));
}

template<class t,class...Args>
vc<t> cat(vc<t> a,Args&&...b){
	(pb(a,forward<Args>(b)),...);
	return a;
}

template<class t,class u>
vc<t>& operator+=(vc<t>&a,u x){
	for(auto&v:a)v+=x;
	return a;
}

template<class t,class u>
vc<t> operator+(vc<t> a,u x){
	return a+=x;
}

template<class t,class u>
vc<t>& operator-=(vc<t>&a,u x){
	for(auto&v:a)v-=x;
	return a;
}

template<class t,class u>
vc<t>& operator-(vc<t> a,u x){
	return a-=x;
}

template<class t,class u>
void remval(vc<t>&a,const u&v){
	a.erase(remove(all(a),v),a.ed);
}

template<class t,class u>
void fila(vc<t>&vs,const u&a){
	fill(all(vs),a);
}

bool dbg=false;

//f(lw)=true,f(up)=false
template<class F>
int find_max_true(int lw,int up,F f){
	while(up-lw>1){
		const int mid=(lw+up)/2;
		if(f(mid))lw=mid;
		else up=mid;
	}
	return lw;
}

vi longest_trip(int n,int){
	vi idx=vid(n);
	//myshuffle(idx);
	
	auto connected=[&](vi a,vi b){
		{
			vi tmp=cat(a,b);
			mkuni(tmp);
			assert(si(tmp)==si(a)+si(b));
		}
		for(auto&i:a)i=idx[i];
		for(auto&i:b)i=idx[i];
		return are_connected(a,b);
	};
	
	auto edge=[&](int a,int b){
		return connected({a},{b});
	};
	
	vi x,y;
	int used=0;
	x.pb(used++);
	while(used<n){
		int v=used++;
		if(edge(x.back(),v)){
			x.pb(v);
		}else{
			vi z{v};
			rep(_,2){
				while(used<n){
					int w=used++;
					if(edge(z.back(),w)){
						z.pb(w);
						break;
					}else{
						x.pb(w);
					}
				}
				rein(z);
			}
			if(y.empty()){
				y=z;
			}else{
				//merge x,y,z
				
				if(edge(y.back(),z.back())){
					//merge y,z
					pb(y,reout(z));
				}else{
					if(!edge(x.back(),z.back())){
						//can't merge x,z
						//-> merge x,y
						swap(y,z);
					}
					pb(x,reout(z));
				}
			}
		}
		if(si(x)<si(y))swap(x,y);
	}
	
	assert(si(x)>=si(y));
	
	auto candidate=[&](vi vs)->pair<bool,vi>{
		if(si(vs)<=2||edge(vs.front(),vs.back())){
			return mp(true,vs);
		}else{
			return mp(false,vi{vs.front(),vs.back()});
		}
	};
	
	auto [xcyc,xcand]=candidate(x);
	auto [ycyc,ycand]=candidate(y);
	
	int ypos=find_max_true(-1,si(ycand),[&](int pos){
		return connected(vi(ycand.bg+pos,ycand.ed),xcand);
	});
	
	if(ypos==-1){
		for(auto&i:x)i=idx[i];
		return x;
	}
	
	if(ycyc){
		rotate(y.bg,y.bg+ypos,y.ed);
	}else{
		if(ypos==0){
			//do nothing
		}else if(ypos==1){
			rein(y);
		}else{
			assert(0);
		}
	}
	
	int xpos=find_max_true(0,si(xcand),[&](int pos){
		return connected(vi(xcand.bg+pos,xcand.ed),vi{y[0]});
	});
	
	if(xcyc){
		rotate(x.bg,x.bg+xpos,x.ed);
	}else{
		if(xpos==0){
			//do nothing
		}else if(xpos==1){
			rein(x);
		}else{
			assert(0);
		}
	}
	
	vi ans=cat(reout(x),y);
	for(auto&i:ans)i=idx[i];
	
    return ans;
}

Subtask #0

0.0 / 0.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct

Subtask #1

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	344 KB	Output is correct
2	Correct	6 ms	344 KB	Output is correct
3	Correct	4 ms	344 KB	Output is correct
4	Correct	5 ms	344 KB	Output is correct
5	Correct	5 ms	600 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	344 KB	Output is correct
2	Correct	6 ms	344 KB	Output is correct
3	Correct	5 ms	344 KB	Output is correct
4	Correct	4 ms	344 KB	Output is correct
5	Correct	5 ms	600 KB	Output is correct
6	Correct	8 ms	344 KB	Output is correct
7	Correct	7 ms	344 KB	Output is correct
8	Correct	6 ms	600 KB	Output is correct
9	Correct	5 ms	600 KB	Output is correct
10	Correct	5 ms	952 KB	Output is correct
11	Correct	5 ms	608 KB	Output is correct
12	Correct	5 ms	700 KB	Output is correct
13	Correct	5 ms	704 KB	Output is correct

Subtask #3

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	344 KB	Output is correct
2	Correct	5 ms	344 KB	Output is correct
3	Correct	5 ms	344 KB	Output is correct
4	Correct	5 ms	344 KB	Output is correct
5	Correct	4 ms	344 KB	Output is correct
6	Correct	8 ms	344 KB	Output is correct
7	Correct	7 ms	344 KB	Output is correct
8	Correct	5 ms	344 KB	Output is correct
9	Correct	5 ms	600 KB	Output is correct
10	Correct	5 ms	696 KB	Output is correct
11	Correct	5 ms	452 KB	Output is correct
12	Correct	5 ms	452 KB	Output is correct
13	Correct	5 ms	696 KB	Output is correct
14	Correct	7 ms	344 KB	Output is correct
15	Correct	9 ms	344 KB	Output is correct
16	Correct	10 ms	344 KB	Output is correct
17	Correct	7 ms	596 KB	Output is correct
18	Correct	6 ms	596 KB	Output is correct
19	Correct	6 ms	600 KB	Output is correct
20	Correct	7 ms	856 KB	Output is correct
21	Correct	6 ms	712 KB	Output is correct
22	Correct	7 ms	1116 KB	Output is correct
23	Correct	5 ms	708 KB	Output is correct
24	Correct	5 ms	872 KB	Output is correct
25	Correct	7 ms	344 KB	Output is correct
26	Correct	7 ms	344 KB	Output is correct
27	Correct	6 ms	344 KB	Output is correct
28	Correct	6 ms	344 KB	Output is correct
29	Correct	6 ms	344 KB	Output is correct
30	Correct	5 ms	344 KB	Output is correct
31	Correct	5 ms	436 KB	Output is correct
32	Correct	6 ms	684 KB	Output is correct
33	Correct	5 ms	344 KB	Output is correct
34	Correct	5 ms	344 KB	Output is correct
35	Correct	5 ms	344 KB	Output is correct
36	Correct	5 ms	600 KB	Output is correct
37	Correct	5 ms	344 KB	Output is correct
38	Correct	5 ms	444 KB	Output is correct
39	Correct	5 ms	616 KB	Output is correct
40	Correct	5 ms	700 KB	Output is correct
41	Correct	6 ms	616 KB	Output is correct
42	Correct	6 ms	708 KB	Output is correct
43	Correct	6 ms	700 KB	Output is correct
44	Correct	6 ms	704 KB	Output is correct
45	Correct	10 ms	344 KB	Output is correct
46	Correct	8 ms	344 KB	Output is correct
47	Correct	8 ms	344 KB	Output is correct
48	Correct	7 ms	344 KB	Output is correct
49	Correct	7 ms	344 KB	Output is correct
50	Correct	5 ms	696 KB	Output is correct
51	Correct	7 ms	948 KB	Output is correct
52	Correct	7 ms	436 KB	Output is correct
53	Correct	5 ms	856 KB	Output is correct
54	Correct	5 ms	704 KB	Output is correct
55	Correct	8 ms	1092 KB	Output is correct
56	Correct	5 ms	464 KB	Output is correct
57	Correct	6 ms	468 KB	Output is correct
58	Correct	6 ms	716 KB	Output is correct
59	Correct	6 ms	460 KB	Output is correct
60	Correct	6 ms	716 KB	Output is correct
61	Correct	7 ms	616 KB	Output is correct
62	Correct	7 ms	972 KB	Output is correct
63	Correct	6 ms	960 KB	Output is correct
64	Correct	6 ms	860 KB	Output is correct

Subtask #4

60.0 / 60.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	340 KB	Output is correct
2	Correct	6 ms	344 KB	Output is correct
3	Correct	5 ms	344 KB	Output is correct
4	Correct	5 ms	344 KB	Output is correct
5	Correct	5 ms	344 KB	Output is correct
6	Correct	8 ms	344 KB	Output is correct
7	Correct	7 ms	344 KB	Output is correct
8	Correct	5 ms	344 KB	Output is correct
9	Correct	5 ms	444 KB	Output is correct
10	Correct	5 ms	440 KB	Output is correct
11	Correct	5 ms	448 KB	Output is correct
12	Correct	5 ms	452 KB	Output is correct
13	Correct	5 ms	604 KB	Output is correct
14	Correct	8 ms	344 KB	Output is correct
15	Correct	8 ms	344 KB	Output is correct
16	Correct	7 ms	344 KB	Output is correct
17	Correct	6 ms	344 KB	Output is correct
18	Correct	6 ms	596 KB	Output is correct
19	Correct	6 ms	696 KB	Output is correct
20	Correct	6 ms	600 KB	Output is correct
21	Correct	7 ms	344 KB	Output is correct
22	Correct	6 ms	344 KB	Output is correct
23	Correct	5 ms	344 KB	Output is correct
24	Correct	5 ms	344 KB	Output is correct
25	Correct	6 ms	344 KB	Output is correct
26	Correct	5 ms	344 KB	Output is correct
27	Correct	5 ms	440 KB	Output is correct
28	Correct	6 ms	440 KB	Output is correct
29	Correct	5 ms	344 KB	Output is correct
30	Correct	5 ms	344 KB	Output is correct
31	Correct	5 ms	344 KB	Output is correct
32	Correct	8 ms	344 KB	Output is correct
33	Correct	8 ms	344 KB	Output is correct
34	Correct	7 ms	344 KB	Output is correct
35	Correct	7 ms	344 KB	Output is correct
36	Correct	8 ms	340 KB	Output is correct
37	Correct	5 ms	692 KB	Output is correct
38	Correct	6 ms	444 KB	Output is correct
39	Correct	7 ms	436 KB	Output is correct
40	Correct	5 ms	600 KB	Output is correct
41	Correct	5 ms	452 KB	Output is correct
42	Correct	6 ms	852 KB	Output is correct
43	Correct	6 ms	720 KB	Output is correct
44	Correct	6 ms	452 KB	Output is correct
45	Correct	5 ms	464 KB	Output is correct
46	Correct	6 ms	616 KB	Output is correct
47	Correct	5 ms	344 KB	Output is correct
48	Correct	5 ms	596 KB	Output is correct
49	Correct	5 ms	440 KB	Output is correct
50	Correct	6 ms	444 KB	Output is correct
51	Correct	6 ms	448 KB	Output is correct
52	Correct	6 ms	604 KB	Output is correct
53	Correct	6 ms	608 KB	Output is correct
54	Correct	7 ms	864 KB	Output is correct
55	Correct	6 ms	700 KB	Output is correct
56	Correct	6 ms	600 KB	Output is correct
57	Correct	5 ms	444 KB	Output is correct
58	Correct	5 ms	700 KB	Output is correct
59	Correct	6 ms	604 KB	Output is correct
60	Correct	6 ms	444 KB	Output is correct
61	Correct	6 ms	704 KB	Output is correct
62	Correct	5 ms	464 KB	Output is correct
63	Correct	6 ms	724 KB	Output is correct
64	Correct	6 ms	876 KB	Output is correct
65	Correct	6 ms	452 KB	Output is correct
66	Correct	6 ms	704 KB	Output is correct
67	Correct	7 ms	468 KB	Output is correct
68	Correct	6 ms	960 KB	Output is correct
69	Correct	6 ms	464 KB	Output is correct
70	Correct	6 ms	968 KB	Output is correct
71	Correct	5 ms	720 KB	Output is correct
72	Correct	6 ms	960 KB	Output is correct
73	Correct	7 ms	968 KB	Output is correct
74	Correct	6 ms	720 KB	Output is correct
75	Correct	6 ms	864 KB	Output is correct
76	Correct	6 ms	968 KB	Output is correct
77	Correct	6 ms	964 KB	Output is correct
78	Correct	5 ms	708 KB	Output is correct
79	Correct	6 ms	976 KB	Output is correct
80	Correct	6 ms	868 KB	Output is correct
81	Correct	6 ms	968 KB	Output is correct
82	Correct	6 ms	968 KB	Output is correct