oj.uz

Submission #520762

# Submission time Handle Problem Language Result Execution time Memory
520762 2022-01-31T02:08:53 Z christinelynn Swap (BOI16_swap) C++17
48 / 100
 140 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 246500 KB Output is correct
2 Correct 110 ms 246556 KB Output is correct
3 Correct 113 ms 246476 KB Output is correct
4 Correct 112 ms 246572 KB Output is correct
5 Correct 113 ms 246484 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 246500 KB Output is correct
2 Correct 110 ms 246556 KB Output is correct
3 Correct 113 ms 246476 KB Output is correct
4 Correct 112 ms 246572 KB Output is correct
5 Correct 113 ms 246484 KB Output is correct
6 Correct 120 ms 246484 KB Output is correct
7 Correct 112 ms 246564 KB Output is correct
8 Correct 114 ms 246496 KB Output is correct
9 Correct 114 ms 246524 KB Output is correct
10 Correct 116 ms 246564 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 246500 KB Output is correct
2 Correct 110 ms 246556 KB Output is correct
3 Correct 113 ms 246476 KB Output is correct
4 Correct 112 ms 246572 KB Output is correct
5 Correct 113 ms 246484 KB Output is correct
6 Correct 120 ms 246484 KB Output is correct
7 Correct 112 ms 246564 KB Output is correct
8 Correct 114 ms 246496 KB Output is correct
9 Correct 114 ms 246524 KB Output is correct
10 Correct 116 ms 246564 KB Output is correct
11 Correct 140 ms 247260 KB Output is correct
12 Correct 117 ms 247288 KB Output is correct
13 Correct 117 ms 247260 KB Output is correct
14 Correct 119 ms 247272 KB Output is correct
15 Correct 116 ms 247268 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 246500 KB Output is correct
2 Correct 110 ms 246556 KB Output is correct
3 Correct 113 ms 246476 KB Output is correct
4 Correct 112 ms 246572 KB Output is correct
5 Correct 113 ms 246484 KB Output is correct
6 Correct 120 ms 246484 KB Output is correct
7 Correct 112 ms 246564 KB Output is correct
8 Correct 114 ms 246496 KB Output is correct
9 Correct 114 ms 246524 KB Output is correct
10 Correct 116 ms 246564 KB Output is correct
11 Correct 140 ms 247260 KB Output is correct
12 Correct 117 ms 247288 KB Output is correct
13 Correct 117 ms 247260 KB Output is correct
14 Correct 119 ms 247272 KB Output is correct
15 Correct 116 ms 247268 KB Output is correct
16 Runtime error 127 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 246500 KB Output is correct
2 Correct 110 ms 246556 KB Output is correct
3 Correct 113 ms 246476 KB Output is correct
4 Correct 112 ms 246572 KB Output is correct
5 Correct 113 ms 246484 KB Output is correct
6 Correct 120 ms 246484 KB Output is correct
7 Correct 112 ms 246564 KB Output is correct
8 Correct 114 ms 246496 KB Output is correct
9 Correct 114 ms 246524 KB Output is correct
10 Correct 116 ms 246564 KB Output is correct
11 Correct 140 ms 247260 KB Output is correct
12 Correct 117 ms 247288 KB Output is correct
13 Correct 117 ms 247260 KB Output is correct
14 Correct 119 ms 247272 KB Output is correct
15 Correct 116 ms 247268 KB Output is correct
16 Runtime error 127 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -