Submission #249039

#	Time	Username	Problem	Language	Result	Execution time	Memory
249039		leaked	Poklon (COCI17_poklon7)	C++14	48 / 120	516 ms	195064 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 __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=3e6+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);
}
ll mx[N];
vector<int>p(N,-1);
vector<int>g[N];
pii lol[N];
pii a[N];
ll to[N];
int n;
bool used[N];
ll dfs(int v){
    used[v]=1;
    if(!sz(g[v])){
        return mx[v];
    }
    ll mxx=-1;
    for(auto &z : g[v]){
        assert(!used[z]);
        mxx=max(mxx,dfs(z));
    }
    mx[v]=mxx*2;
    return mx[v];
}
signed main()
{
    fast_io;
    ///TODO :
    cin>>n;
   // int a,b;
    for(int i=0;i<n;i++){
        cin>>a[i].f>>a[i].s;
        if(a[i].f>0){
            p[3*(a[i].f-1)]=3*i;
            g[3*i].p_b(3*(a[i].f-1));
        }
        else{
            p[3*i+1]=3*i;
            g[3*i].p_b(3*i+1);
            mx[3*i+1]=-a[i].f;
        }
        if(a[i].s>0){
            p[3*(a[i].s-1)]=3*i;
            g[3*i].p_b(3*(a[i].s-1));
        }
        else{
            p[3*i+2]=3*i;
            g[3*i].p_b(3*i+2);
            mx[3*i+2]=-a[i].s;
        }
    }
    int ps=-1;
    dfs(0);
    string s;
    bool ok=0;
    for(int i=63;i>=0;i--){
        if(pw(i) & mx[0]){
            ok=1;
            cout<<1;
        }
        else{
            if(ok) cout<<0;
        }
    }
    return 0;
}
/*
*/

Compilation message (stderr)

poklon.cpp: In function 'int main()':
poklon.cpp:134:9: warning: unused variable 'ps' [-Wunused-variable]
     int ps=-1;
         ^~

• Subtask 1: 48 / 120