제출 #227310

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
227310		rqi	자동 인형 (IOI18_doll)	C++14	100 / 100	209 ms	29472 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef double db; 
typedef string str; 

typedef pair<int,int> pi;
typedef pair<ll,ll> pl; 
typedef pair<db,db> pd; 

typedef vector<int> vi; 
typedef vector<ll> vl; 
typedef vector<db> vd; 
typedef vector<str> vs; 
typedef vector<pi> vpi;
typedef vector<pl> vpl; 
typedef vector<pd> vpd; 

#define mp make_pair 
#define f first
#define s second
#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rall(x) (x).rbegin(), (x).rend() 
#define rsz resize
#define ins insert 
#define ft front() 
#define bk back()
#define pf push_front 
#define pb push_back
#define eb emplace_back 
#define lb lower_bound 
#define ub upper_bound 

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)

const int MOD = 1e9+7; // 998244353;
const int MX = 2e5+5; 
const ll INF = 1e18; 
const ld PI = acos((ld)-1);
const int xd[4] = {1,0,-1,0}, yd[4] = {0,1,0,-1}; 

template<class T> bool ckmin(T& a, const T& b) { 
  return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { 
  return a < b ? a = b, 1 : 0; } 
int pct(int x) { return __builtin_popcount(x); } 
int bit(int x) { return 31-__builtin_clz(x); } // floor(log2(x)) 
int cdiv(int a, int b) { return a/b+!(a<0||a%b == 0); } // division of a by b rounded up, assumes b > 0 

// INPUT
template<class A> void re(complex<A>& c);
template<class A, class B> void re(pair<A,B>& p);
template<class A> void re(vector<A>& v);
template<class A, size_t SZ> void re(array<A,SZ>& a);

template<class T> void re(T& x) { cin >> x; }
void re(db& d) { str t; re(t); d = stod(t); }
void re(ld& d) { str t; re(t); d = stold(t); }
template<class H, class... T> void re(H& h, T&... t) { re(h); re(t...); }

template<class A> void re(complex<A>& c) { A a,b; re(a,b); c = {a,b}; }
template<class A, class B> void re(pair<A,B>& p) { re(p.f,p.s); }
template<class A> void re(vector<A>& x) { trav(a,x) re(a); }
template<class A, size_t SZ> void re(array<A,SZ>& x) { trav(a,x) re(a); }

// TO_STRING
#define ts to_string
template<class A, class B> str ts(pair<A,B> p);
template<class A> str ts(complex<A> c) { return ts(mp(c.real(),c.imag())); }
str ts(bool b) { return b ? "true" : "false"; }
str ts(char c) { str s = ""; s += c; return s; }
str ts(str s) { return s; }
str ts(const char* s) { return (str)s; }
str ts(vector<bool> v) { 
  bool fst = 1; str res = "{";
  F0R(i,sz(v)) {
    if (!fst) res += ", ";
    fst = 0; res += ts(v[i]);
  }
  res += "}"; return res;
}
template<size_t SZ> str ts(bitset<SZ> b) {
  str res = ""; F0R(i,SZ) res += char('0'+b[i]);
  return res; }
template<class T> str ts(T v) {
  bool fst = 1; str res = "{";
  for (const auto& x: v) {
    if (!fst) res += ", ";
    fst = 0; res += ts(x);
  }
  res += "}"; return res;
}
template<class A, class B> str ts(pair<A,B> p) {
  return "("+ts(p.f)+", "+ts(p.s)+")"; }

// OUTPUT
template<class A> void pr(A x) { cout << ts(x); }
template<class H, class... T> void pr(const H& h, const T&... t) { 
  pr(h); pr(t...); }
void ps() { pr("\n"); } // print w/ spaces
template<class H, class... T> void ps(const H& h, const T&... t) { 
  pr(h); if (sizeof...(t)) pr(" "); ps(t...); }

// DEBUG
void DBG() { cerr << "]" << endl; }
template<class H, class... T> void DBG(H h, T... t) {
  cerr << to_string(h); if (sizeof...(t)) cerr << ", ";
  DBG(t...); }
#ifdef LOCAL // compile with -DLOCAL
#define dbg(...) cerr << "[" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__)
#else
#define dbg(...) 42
#endif

// FILE I/O
void setIn(string s) { freopen(s.c_str(),"r",stdin); }
void setOut(string s) { freopen(s.c_str(),"w",stdout); }
void unsyncIO() { ios_base::sync_with_stdio(0); cin.tie(0); }
void setIO(string s = "") {
  unsyncIO();
  // cin.exceptions(cin.failbit); 
  // throws exception when do smth illegal
  // ex. try to read letter into int
  if (sz(s)) { setIn(s+".in"), setOut(s+".out"); } // for USACO
}

mt19937 rng((uint32_t)chrono::steady_clock::now().time_since_epoch().count()); 

int S;
vi A;
vi X;
vi Y;
int N;
int maxlevel;
int trignum = 0;
int curnode = 1;
pair<int, string> triggers[200005];
void assignSwitches(int lvl, string path = ""){
  int node = curnode;
  if(lvl == maxlevel){
    triggers[trignum] = mp(curnode, path+'0');
    trignum++;
    if(trignum == N) return;
    triggers[trignum] = mp(curnode, path+'1');
    trignum++;
    return;
  }
  curnode++;
  Y[node-1] = -(curnode);
  
  assignSwitches(lvl+1, path+'0');
  if(trignum == N) return;
  curnode++;
  X[node-1] = -(curnode);
  
  assignSwitches(lvl+1, path+'1');
}

void create_circuit(int M, vector<int> _A) {

  A = _A;
  A.pb(0);
  reverse(all(A));
  N = sz(A);
  maxlevel = 1+log2(N-1);
  X = vector<int>(2*N+5, -1);
  Y = vector<int>(2*N+5, -1);
  assignSwitches(1);
  /*for(int i = 1; i <= 7; i++){
    ps(i, X[i], Y[i]);
  }
  for(int i = 0; i < N; i++){
    ps(i, triggers[i]);
  }*/
  vector<pi> sorttrigs;
  for(int i = 0; i < N; i++){
    string s = triggers[i].s;
    int num = 0;
    for(int i = 0; i < sz(s); i++){
      num+=(s[i]-'0')*(1<<i);
    }
    sorttrigs.pb(mp(num, i));
  }

  sort(all(sorttrigs));

  for(int i = 0; i < N; i++){
    int ind = sorttrigs[i].s;
    int node = triggers[ind].f;
    //ps(i, ind, node);
    if(triggers[ind].s.bk == '0'){
      Y[node-1] = A[i];
    }
    else{
      X[node-1] = A[i];
    }
  }

  vector<int> C(M+1, 0);
  for (int i = 0; i <= M; ++i) {
    C[i] = -1;
  }

  X.rsz(curnode);
  Y.rsz(curnode);
  //ps(C, X, Y);
  answer(C, X, Y);
}

컴파일 시 표준 에러 (stderr) 메시지

doll.cpp: In function 'void setIn(std::string)':
doll.cpp:124:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  124 | void setIn(string s) { freopen(s.c_str(),"r",stdin); }
      |                        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
doll.cpp: In function 'void setOut(std::string)':
doll.cpp:125:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  125 | void setOut(string s) { freopen(s.c_str(),"w",stdout); }
      |                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 18 / 18
• Subtask 6: 56 / 56