#include<bits/stdc++.h>
using namespace std;
//#include<ext/pb_ds/assoc_container.hpp>
//#include<ext/pb_ds/tree_policy.hpp>
//
// #pragma GCC optimize("unroll-loops")
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("-O3")
// #pragma GCC optimize("no-stack-protector")
// #pragma GCC optimize("fast-math")
//#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(cout << *x, 0);
sim > char dud(...);
struct debug {
#ifndef LOCAL
~debug() { cout << endl; }
eni(!=) cout << 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 s second
#define vi_a vector<int>a;
#define p_b push_back
////////////////////////////////???????????????CHECK THIS OUT???????????????//////////////////////////////
#define ll long long
////////////////////////////////???????????????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) (ll)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; }
ll gcd(ll a, ll b) { return !a ? b : gcd(b % a, a); }
void binary(ll val,int to) {for(int i=0;i<to;i++) cerr<<(pw(i) & val ? 1 : 0); cerr<<endl;}
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 R=1e4;
const ll tx[4]={1,0,-1,0};
const ll ty[4]={0,1,0,-1};
const char rev_to[4]={'E','W','N','S'};
const char o[4]={'S','P','R'};
const int N=2e6+1;
const int M=1e9+7;
//typedef tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update> st;
void bad(){
cout<<-1;
exit(0);
}
pii mx[N];
int aa[N][2];
string lol[N];
map<int,int>sz;
int p[N];
pii to(pii a,pii b){
if(sz[a.f]+a.s<sz[b.f]+b.s) return {b.f,b.s+1};
else if(sz[a.f]+a.s>sz[b.f]+b.s) return {a.f,a.s+1};
else{
int f=max(0,sz[a.f]-sz[b.f]),s=max(0,-sz[a.f]+sz[b.f]);
if((a.f)*pw(s)<b.f*(pw(f))) return {b.f,b.s+1};
else if((a.f)*pw(s)>b.f*(pw(f))) return {a.f,a.s+1};
else{
if(sz[a.f]>sz[b.f]) return {b.f,b.s+1};
else return {a.f,a.s+1};
}
}
}
pii dfs(int v){
vector<pii>ts(2);
for(int i=0;i<2;i++){
if(aa[v][i]<0 ){
ts[i]={-aa[v][i],0};
}
else{
ts[i]=dfs(aa[v][i]);
}
}
///debug()<<imie(ts)<<imie(v);
return to(ts[0],ts[1]);
}
signed main()
{
fast_io;
///TODO :
int cur=1;
int n;
cin>>n;
for(int i=0;i<n;i++){
cin>>aa[i][0]>>aa[i][1];
for(int j=0;j<2;j++){
if(aa[i][j]<0){
int ps=-aa[i][j];
while(ps){
sz[-aa[i][j]]++;
ps>>=1;
}
//cout<<sz[-aa[i][j]];
}
else{
aa[i][j]--;
}
}
}
//exit(0);
pii ans=dfs(0);
bool ok=0;
for(int j=32;j>=0;j--){
if(pw(j) & (ans.f)){
ok=1;
cout<<1;
}
else{
if(ok) cout<<0;
}
}
for(int j=0;j<ans.s;j++) cout<<0;
return 0;
}
/*
*/
Compilation message
poklon.cpp: In function 'int main()':
poklon.cpp:121:9: warning: unused variable 'cur' [-Wunused-variable]
int cur=1;
^~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
33 ms |
62968 KB |
Output isn't correct |
| 2 |
Incorrect |
35 ms |
62976 KB |
Output isn't correct |
| 3 |
Correct |
32 ms |
62976 KB |
Output is correct |
| 4 |
Correct |
33 ms |
63008 KB |
Output is correct |
| 5 |
Correct |
33 ms |
62968 KB |
Output is correct |
| 6 |
Correct |
41 ms |
62968 KB |
Output is correct |
| 7 |
Correct |
33 ms |
62976 KB |
Output is correct |
| 8 |
Correct |
34 ms |
62972 KB |
Output is correct |
| 9 |
Correct |
34 ms |
62968 KB |
Output is correct |
| 10 |
Correct |
35 ms |
62976 KB |
Output is correct |
| 11 |
Correct |
50 ms |
63864 KB |
Output is correct |
| 12 |
Correct |
55 ms |
63808 KB |
Output is correct |
| 13 |
Correct |
146 ms |
67320 KB |
Output is correct |
| 14 |
Correct |
255 ms |
71672 KB |
Output is correct |
| 15 |
Incorrect |
262 ms |
68500 KB |
Output isn't correct |
| 16 |
Execution timed out |
1093 ms |
89336 KB |
Time limit exceeded |
| 17 |
Execution timed out |
1100 ms |
91256 KB |
Time limit exceeded |
| 18 |
Execution timed out |
1088 ms |
88312 KB |
Time limit exceeded |
| 19 |
Execution timed out |
1085 ms |
89336 KB |
Time limit exceeded |
| 20 |
Execution timed out |
1091 ms |
89600 KB |
Time limit exceeded |
