답안 #520742

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
520742 2022-01-31T01:21:42 Z christinelynn Swap (BOI16_swap) C++17
48 / 100
123 ms 262148 KB
#include <bits/stdc++.h>
#include <cstdio>
#pragma GCC optimize("O3")
#define fr(i, n, m) for(int i = (n); i < (m); i ++)
#define pb push_back
#define st first
#define nd second
#define pq priority_queue
#define all(x) begin(x), end(x)
 
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
const ll inf = 1e18;
const ll mod = 1000000007;
const ld eps = 1e-13;
const ld pi  = 3.14159265359;
 
mt19937 _rand(time(NULL));
clock_t timer = clock();
const int mxn = 262144 + 10;
 
inline int readint(){
  int ret=0;
  for(char c;;){
    c=getchar();
    if('0'<=c and c<='9')
      ret=ret*10+(c&15);
    else
      return ret;
  }
}
vector<char> digits;
inline void printint(int x){
  do{
    digits.push_back(x%10|48);
    x/=10;
  }while(x);
  while(not digits.empty())
    putchar(digits.back()), digits.pop_back();
}
 
 
int n;
int a[mxn];
 
 
vector<int> f[mxn][40];
 
 
//map<int, vector<int> > f[mxn];
int p, l;
int p2;
 
int mi;
 
void combine(vector<int> &v1, vector<int> &v2, vector<int> &r){
  p = 0;
  p2 = 1;
  l = 1;
  
  while(p < (int)v1.size()){
    fr(k, 0, l){
      r[p2++] = v1[p+k];
    }
    fr(k, 0, l){
      r[p2++] = v2[p+k];
    }
    p += l;
    l *= 2;
  }
}
 
 
 
vector<int> g1;
vector<int> g2;
vector<int> cand;
 
void rec(int k){
  
  cand.pb(a[k]);
  if(k != 1){
    if(k%2) cand.pb(a[k-1]);
    else cand.pb(a[k+1]);
  }
  
  int sz = cand.size();
  
  if(k*2 > n){
    fr(i, 0, sz){
      f[k][i] = {cand[i]};
    }
    cand.pop_back();
    if(k != 1){
      cand.pop_back();
    }
    return;
  }
  
  rec(k*2);
  rec(k*2+1);
  
  
  
  fr(j, 0, sz){
    
    mi = min(cand[j], min(a[k*2], a[k*2+1]));
    f[k][j].resize(2*(int)f[k*2][j].size()+1);
    
    
    if(cand[j] == mi){
      f[k][j][0] = mi;
      combine(f[k*2][sz], f[k*2+1][sz], f[k][j]);
    
    }
    else if(a[k*2] == mi){
      f[k][j][0] = mi;
      combine(f[k*2][j], f[k*2+1][sz], f[k][j]);
    }
    else{
      g1.resize(2*(int)f[k*2][j].size()+1);
      g1[0] = mi;
      combine(f[k*2][sz], f[k*2+1][j], g1);
      
      
      g2.resize(2*(int)f[k*2][j].size()+1);
      g2[0] = mi;
      combine(f[k*2][j], f[k*2+1][sz+1], g2);
      
      f[k][j] = min(g1, g2);
    }
  }
  
  
  
  
  /*
  
  
  for(auto j : cand){
    
    mi = min(j, min(a[k*2], a[k*2+1]));
    
    f[k][j].resize(2*(int)f[k*2][j].size()+1);
    if(j == mi){
      
      f[k][j][0] = mi;
      combine(f[k*2][a[k*2]], f[k*2+1][a[k*2+1]], f[k][j]);
    }
    else if(a[k*2] == mi){
      f[k][j][0] = mi;
      combine(f[k*2][j], f[k*2+1][a[k*2+1]], f[k][j]);
    }
    else{
      g1.resize(2*(int)f[k*2][j].size()+1);
      g1[0] = mi;
      combine(f[k*2][a[k*2]], f[k*2+1][j], g1);
      g2.resize(2*(int)f[k*2][j].size()+1);
      g2[0] = mi;
      combine(f[k*2][j], f[k*2+1][a[k*2]], g2);
      f[k][j] = min(g1, g2);
    }
  }*/
  cand.pop_back();
  if(k != 1){
    cand.pop_back();
  }
  
  
  fr(i, 0, 40){
    f[2*k][i].clear();
    f[2*k+1][i].clear();
  }
}
 
 
void solve(){
  n = readint();
  fr(i, 1, n+1){
    a[i] = readint();
  }
  int orgn = n;
  int m = n;
  while(m+1 - ((m+1)&-(m+1)) != 0){  
    ++m;
  }
  
  fr(i, n+1, m+1){
    a[i] = i;
  }
  n = m;
  rec(1);
  
  vector<int> ans = f[1][0];
  fr(i, 0, orgn){
    printint(ans[i]);
    putchar(' ');
  }  
}
 
int main(){
  digits.reserve(10);
  //freopen("t.in.25", "r", stdin);
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  solve();
}
# 결과 실행 시간 메모리 Grader output
1 Correct 108 ms 246472 KB Output is correct
2 Correct 108 ms 246552 KB Output is correct
3 Correct 107 ms 246464 KB Output is correct
4 Correct 109 ms 246492 KB Output is correct
5 Correct 109 ms 246448 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 108 ms 246472 KB Output is correct
2 Correct 108 ms 246552 KB Output is correct
3 Correct 107 ms 246464 KB Output is correct
4 Correct 109 ms 246492 KB Output is correct
5 Correct 109 ms 246448 KB Output is correct
6 Correct 109 ms 246560 KB Output is correct
7 Correct 108 ms 246472 KB Output is correct
8 Correct 110 ms 246580 KB Output is correct
9 Correct 108 ms 246580 KB Output is correct
10 Correct 110 ms 246544 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 108 ms 246472 KB Output is correct
2 Correct 108 ms 246552 KB Output is correct
3 Correct 107 ms 246464 KB Output is correct
4 Correct 109 ms 246492 KB Output is correct
5 Correct 109 ms 246448 KB Output is correct
6 Correct 109 ms 246560 KB Output is correct
7 Correct 108 ms 246472 KB Output is correct
8 Correct 110 ms 246580 KB Output is correct
9 Correct 108 ms 246580 KB Output is correct
10 Correct 110 ms 246544 KB Output is correct
11 Correct 121 ms 247208 KB Output is correct
12 Correct 112 ms 247236 KB Output is correct
13 Correct 112 ms 247312 KB Output is correct
14 Correct 120 ms 247448 KB Output is correct
15 Correct 114 ms 247300 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 108 ms 246472 KB Output is correct
2 Correct 108 ms 246552 KB Output is correct
3 Correct 107 ms 246464 KB Output is correct
4 Correct 109 ms 246492 KB Output is correct
5 Correct 109 ms 246448 KB Output is correct
6 Correct 109 ms 246560 KB Output is correct
7 Correct 108 ms 246472 KB Output is correct
8 Correct 110 ms 246580 KB Output is correct
9 Correct 108 ms 246580 KB Output is correct
10 Correct 110 ms 246544 KB Output is correct
11 Correct 121 ms 247208 KB Output is correct
12 Correct 112 ms 247236 KB Output is correct
13 Correct 112 ms 247312 KB Output is correct
14 Correct 120 ms 247448 KB Output is correct
15 Correct 114 ms 247300 KB Output is correct
16 Runtime error 123 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 108 ms 246472 KB Output is correct
2 Correct 108 ms 246552 KB Output is correct
3 Correct 107 ms 246464 KB Output is correct
4 Correct 109 ms 246492 KB Output is correct
5 Correct 109 ms 246448 KB Output is correct
6 Correct 109 ms 246560 KB Output is correct
7 Correct 108 ms 246472 KB Output is correct
8 Correct 110 ms 246580 KB Output is correct
9 Correct 108 ms 246580 KB Output is correct
10 Correct 110 ms 246544 KB Output is correct
11 Correct 121 ms 247208 KB Output is correct
12 Correct 112 ms 247236 KB Output is correct
13 Correct 112 ms 247312 KB Output is correct
14 Correct 120 ms 247448 KB Output is correct
15 Correct 114 ms 247300 KB Output is correct
16 Runtime error 123 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -