oj.uz

Submission #520753

# Submission time Handle Problem Language Result Execution time Memory
520753 2022-01-31T01:40:14 Z christinelynn Swap (BOI16_swap) C++17
48 / 100
 129 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();
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 246508 KB Output is correct
2 Correct 110 ms 246568 KB Output is correct
3 Correct 113 ms 246508 KB Output is correct
4 Correct 115 ms 246444 KB Output is correct
5 Correct 107 ms 246568 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 246508 KB Output is correct
2 Correct 110 ms 246568 KB Output is correct
3 Correct 113 ms 246508 KB Output is correct
4 Correct 115 ms 246444 KB Output is correct
5 Correct 107 ms 246568 KB Output is correct
6 Correct 115 ms 246556 KB Output is correct
7 Correct 120 ms 246584 KB Output is correct
8 Correct 110 ms 246568 KB Output is correct
9 Correct 110 ms 246552 KB Output is correct
10 Correct 109 ms 246480 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 246508 KB Output is correct
2 Correct 110 ms 246568 KB Output is correct
3 Correct 113 ms 246508 KB Output is correct
4 Correct 115 ms 246444 KB Output is correct
5 Correct 107 ms 246568 KB Output is correct
6 Correct 115 ms 246556 KB Output is correct
7 Correct 120 ms 246584 KB Output is correct
8 Correct 110 ms 246568 KB Output is correct
9 Correct 110 ms 246552 KB Output is correct
10 Correct 109 ms 246480 KB Output is correct
11 Correct 118 ms 247244 KB Output is correct
12 Correct 113 ms 247264 KB Output is correct
13 Correct 110 ms 247288 KB Output is correct
14 Correct 113 ms 247260 KB Output is correct
15 Correct 115 ms 247328 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 246508 KB Output is correct
2 Correct 110 ms 246568 KB Output is correct
3 Correct 113 ms 246508 KB Output is correct
4 Correct 115 ms 246444 KB Output is correct
5 Correct 107 ms 246568 KB Output is correct
6 Correct 115 ms 246556 KB Output is correct
7 Correct 120 ms 246584 KB Output is correct
8 Correct 110 ms 246568 KB Output is correct
9 Correct 110 ms 246552 KB Output is correct
10 Correct 109 ms 246480 KB Output is correct
11 Correct 118 ms 247244 KB Output is correct
12 Correct 113 ms 247264 KB Output is correct
13 Correct 110 ms 247288 KB Output is correct
14 Correct 113 ms 247260 KB Output is correct
15 Correct 115 ms 247328 KB Output is correct
16 Runtime error 129 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 246508 KB Output is correct
2 Correct 110 ms 246568 KB Output is correct
3 Correct 113 ms 246508 KB Output is correct
4 Correct 115 ms 246444 KB Output is correct
5 Correct 107 ms 246568 KB Output is correct
6 Correct 115 ms 246556 KB Output is correct
7 Correct 120 ms 246584 KB Output is correct
8 Correct 110 ms 246568 KB Output is correct
9 Correct 110 ms 246552 KB Output is correct
10 Correct 109 ms 246480 KB Output is correct
11 Correct 118 ms 247244 KB Output is correct
12 Correct 113 ms 247264 KB Output is correct
13 Correct 110 ms 247288 KB Output is correct
14 Correct 113 ms 247260 KB Output is correct
15 Correct 115 ms 247328 KB Output is correct
16 Runtime error 129 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -