oj.uz

Submission #520749

# Submission time Handle Problem Language Result Execution time Memory
520749 2022-01-31T01:33:32 Z christinelynn Swap (BOI16_swap) C++17
48 / 100
 133 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 112 ms 246472 KB Output is correct
2 Correct 110 ms 246452 KB Output is correct
3 Correct 107 ms 246484 KB Output is correct
4 Correct 110 ms 246492 KB Output is correct
5 Correct 110 ms 246736 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 246472 KB Output is correct
2 Correct 110 ms 246452 KB Output is correct
3 Correct 107 ms 246484 KB Output is correct
4 Correct 110 ms 246492 KB Output is correct
5 Correct 110 ms 246736 KB Output is correct
6 Correct 110 ms 246520 KB Output is correct
7 Correct 107 ms 246468 KB Output is correct
8 Correct 110 ms 246584 KB Output is correct
9 Correct 111 ms 246516 KB Output is correct
10 Correct 112 ms 246552 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 246472 KB Output is correct
2 Correct 110 ms 246452 KB Output is correct
3 Correct 107 ms 246484 KB Output is correct
4 Correct 110 ms 246492 KB Output is correct
5 Correct 110 ms 246736 KB Output is correct
6 Correct 110 ms 246520 KB Output is correct
7 Correct 107 ms 246468 KB Output is correct
8 Correct 110 ms 246584 KB Output is correct
9 Correct 111 ms 246516 KB Output is correct
10 Correct 112 ms 246552 KB Output is correct
11 Correct 110 ms 247216 KB Output is correct
12 Correct 110 ms 247320 KB Output is correct
13 Correct 112 ms 247236 KB Output is correct
14 Correct 110 ms 247248 KB Output is correct
15 Correct 133 ms 247268 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 246472 KB Output is correct
2 Correct 110 ms 246452 KB Output is correct
3 Correct 107 ms 246484 KB Output is correct
4 Correct 110 ms 246492 KB Output is correct
5 Correct 110 ms 246736 KB Output is correct
6 Correct 110 ms 246520 KB Output is correct
7 Correct 107 ms 246468 KB Output is correct
8 Correct 110 ms 246584 KB Output is correct
9 Correct 111 ms 246516 KB Output is correct
10 Correct 112 ms 246552 KB Output is correct
11 Correct 110 ms 247216 KB Output is correct
12 Correct 110 ms 247320 KB Output is correct
13 Correct 112 ms 247236 KB Output is correct
14 Correct 110 ms 247248 KB Output is correct
15 Correct 133 ms 247268 KB Output is correct
16 Runtime error 125 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 112 ms 246472 KB Output is correct
2 Correct 110 ms 246452 KB Output is correct
3 Correct 107 ms 246484 KB Output is correct
4 Correct 110 ms 246492 KB Output is correct
5 Correct 110 ms 246736 KB Output is correct
6 Correct 110 ms 246520 KB Output is correct
7 Correct 107 ms 246468 KB Output is correct
8 Correct 110 ms 246584 KB Output is correct
9 Correct 111 ms 246516 KB Output is correct
10 Correct 112 ms 246552 KB Output is correct
11 Correct 110 ms 247216 KB Output is correct
12 Correct 110 ms 247320 KB Output is correct
13 Correct 112 ms 247236 KB Output is correct
14 Correct 110 ms 247248 KB Output is correct
15 Correct 133 ms 247268 KB Output is correct
16 Runtime error 125 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -