답안 #249101

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
249101 2020-07-14T10:22:16 Z leaked Poklon (COCI17_poklon7) C++14
120 / 120
405 ms 103160 KB
#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

poklon.cpp: In function 'int main()':
poklon.cpp:119:9: warning: unused variable 'cur' [-Wunused-variable]
     int cur=1;
         ^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 31616 KB Output is correct
2 Correct 17 ms 31616 KB Output is correct
3 Correct 17 ms 31616 KB Output is correct
4 Correct 17 ms 31616 KB Output is correct
5 Correct 17 ms 31616 KB Output is correct
6 Correct 17 ms 31616 KB Output is correct
7 Correct 24 ms 31616 KB Output is correct
8 Correct 17 ms 31616 KB Output is correct
9 Correct 25 ms 31616 KB Output is correct
10 Correct 17 ms 31616 KB Output is correct
11 Correct 22 ms 31992 KB Output is correct
12 Correct 21 ms 32000 KB Output is correct
13 Correct 35 ms 33656 KB Output is correct
14 Correct 55 ms 35704 KB Output is correct
15 Correct 50 ms 32376 KB Output is correct
16 Correct 144 ms 42232 KB Output is correct
17 Correct 316 ms 54116 KB Output is correct
18 Correct 316 ms 56952 KB Output is correct
19 Correct 376 ms 50808 KB Output is correct
20 Correct 405 ms 103160 KB Output is correct