Submission #249103

#	Time	Username	Problem	Language	Result	Execution time	Memory
249103		leaked	Poklon (COCI17_poklon7)	C++14	120 / 120	420 ms	103212 KiB

poklon

#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 (32-__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=1e6+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;
pii to(pii& a,pii& b){
    if((32-__builtin_clz(a.f))+a.s<(32-__builtin_clz(b.f))+b.s) return {b.f,b.s+1};
    else if((32-__builtin_clz(a.f))+a.s>(32-__builtin_clz(b.f))+b.s) return {a.f,a.s+1};
    else{
        int f=max(0,(32-__builtin_clz(a.f))-(32-__builtin_clz(b.f))),s=max(0,(32-__builtin_clz(b.f))-(32-__builtin_clz(a.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{
            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){
            }
            else{
                aa[i][j]--;
            }
        }
    }
    //exit(0);
    pii ans=dfs(0);
    bool ok=0;
    for(int j=31;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 (stderr)

poklon.cpp: In function 'int main()':
poklon.cpp:119:9: warning: unused variable 'cur' [-Wunused-variable]
     int cur=1;
         ^~~

• Subtask 1: 120 / 120