oj.uz

Submission #520748

# Submission time Handle Problem Language Result Execution time Memory
520748 2022-01-31T01:31:59 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 108 ms 246568 KB Output is correct
2 Correct 108 ms 246500 KB Output is correct
3 Correct 130 ms 246568 KB Output is correct
4 Correct 111 ms 246468 KB Output is correct
5 Correct 116 ms 246460 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 246568 KB Output is correct
2 Correct 108 ms 246500 KB Output is correct
3 Correct 130 ms 246568 KB Output is correct
4 Correct 111 ms 246468 KB Output is correct
5 Correct 116 ms 246460 KB Output is correct
6 Correct 111 ms 246544 KB Output is correct
7 Correct 107 ms 246464 KB Output is correct
8 Correct 111 ms 246588 KB Output is correct
9 Correct 108 ms 246540 KB Output is correct
10 Correct 109 ms 246452 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 246568 KB Output is correct
2 Correct 108 ms 246500 KB Output is correct
3 Correct 130 ms 246568 KB Output is correct
4 Correct 111 ms 246468 KB Output is correct
5 Correct 116 ms 246460 KB Output is correct
6 Correct 111 ms 246544 KB Output is correct
7 Correct 107 ms 246464 KB Output is correct
8 Correct 111 ms 246588 KB Output is correct
9 Correct 108 ms 246540 KB Output is correct
10 Correct 109 ms 246452 KB Output is correct
11 Correct 113 ms 247212 KB Output is correct
12 Correct 117 ms 247224 KB Output is correct
13 Correct 117 ms 247312 KB Output is correct
14 Correct 113 ms 247236 KB Output is correct
15 Correct 140 ms 247236 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 246568 KB Output is correct
2 Correct 108 ms 246500 KB Output is correct
3 Correct 130 ms 246568 KB Output is correct
4 Correct 111 ms 246468 KB Output is correct
5 Correct 116 ms 246460 KB Output is correct
6 Correct 111 ms 246544 KB Output is correct
7 Correct 107 ms 246464 KB Output is correct
8 Correct 111 ms 246588 KB Output is correct
9 Correct 108 ms 246540 KB Output is correct
10 Correct 109 ms 246452 KB Output is correct
11 Correct 113 ms 247212 KB Output is correct
12 Correct 117 ms 247224 KB Output is correct
13 Correct 117 ms 247312 KB Output is correct
14 Correct 113 ms 247236 KB Output is correct
15 Correct 140 ms 247236 KB Output is correct
16 Runtime error 117 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 108 ms 246568 KB Output is correct
2 Correct 108 ms 246500 KB Output is correct
3 Correct 130 ms 246568 KB Output is correct
4 Correct 111 ms 246468 KB Output is correct
5 Correct 116 ms 246460 KB Output is correct
6 Correct 111 ms 246544 KB Output is correct
7 Correct 107 ms 246464 KB Output is correct
8 Correct 111 ms 246588 KB Output is correct
9 Correct 108 ms 246540 KB Output is correct
10 Correct 109 ms 246452 KB Output is correct
11 Correct 113 ms 247212 KB Output is correct
12 Correct 117 ms 247224 KB Output is correct
13 Correct 117 ms 247312 KB Output is correct
14 Correct 113 ms 247236 KB Output is correct
15 Correct 140 ms 247236 KB Output is correct
16 Runtime error 117 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -