oj.uz

Submission #520746

# Submission time Handle Problem Language Result Execution time Memory
520746 2022-01-31T01:29:26 Z christinelynn Swap (BOI16_swap) C++17
48 / 100
 135 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 107 ms 246488 KB Output is correct
2 Correct 109 ms 246468 KB Output is correct
3 Correct 108 ms 246476 KB Output is correct
4 Correct 108 ms 246640 KB Output is correct
5 Correct 109 ms 246484 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 246488 KB Output is correct
2 Correct 109 ms 246468 KB Output is correct
3 Correct 108 ms 246476 KB Output is correct
4 Correct 108 ms 246640 KB Output is correct
5 Correct 109 ms 246484 KB Output is correct
6 Correct 120 ms 246552 KB Output is correct
7 Correct 129 ms 246468 KB Output is correct
8 Correct 109 ms 246536 KB Output is correct
9 Correct 111 ms 246580 KB Output is correct
10 Correct 110 ms 246580 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 246488 KB Output is correct
2 Correct 109 ms 246468 KB Output is correct
3 Correct 108 ms 246476 KB Output is correct
4 Correct 108 ms 246640 KB Output is correct
5 Correct 109 ms 246484 KB Output is correct
6 Correct 120 ms 246552 KB Output is correct
7 Correct 129 ms 246468 KB Output is correct
8 Correct 109 ms 246536 KB Output is correct
9 Correct 111 ms 246580 KB Output is correct
10 Correct 110 ms 246580 KB Output is correct
11 Correct 112 ms 247284 KB Output is correct
12 Correct 110 ms 247256 KB Output is correct
13 Correct 126 ms 247200 KB Output is correct
14 Correct 135 ms 247204 KB Output is correct
15 Correct 111 ms 247324 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 246488 KB Output is correct
2 Correct 109 ms 246468 KB Output is correct
3 Correct 108 ms 246476 KB Output is correct
4 Correct 108 ms 246640 KB Output is correct
5 Correct 109 ms 246484 KB Output is correct
6 Correct 120 ms 246552 KB Output is correct
7 Correct 129 ms 246468 KB Output is correct
8 Correct 109 ms 246536 KB Output is correct
9 Correct 111 ms 246580 KB Output is correct
10 Correct 110 ms 246580 KB Output is correct
11 Correct 112 ms 247284 KB Output is correct
12 Correct 110 ms 247256 KB Output is correct
13 Correct 126 ms 247200 KB Output is correct
14 Correct 135 ms 247204 KB Output is correct
15 Correct 111 ms 247324 KB Output is correct
16 Runtime error 121 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 107 ms 246488 KB Output is correct
2 Correct 109 ms 246468 KB Output is correct
3 Correct 108 ms 246476 KB Output is correct
4 Correct 108 ms 246640 KB Output is correct
5 Correct 109 ms 246484 KB Output is correct
6 Correct 120 ms 246552 KB Output is correct
7 Correct 129 ms 246468 KB Output is correct
8 Correct 109 ms 246536 KB Output is correct
9 Correct 111 ms 246580 KB Output is correct
10 Correct 110 ms 246580 KB Output is correct
11 Correct 112 ms 247284 KB Output is correct
12 Correct 110 ms 247256 KB Output is correct
13 Correct 126 ms 247200 KB Output is correct
14 Correct 135 ms 247204 KB Output is correct
15 Correct 111 ms 247324 KB Output is correct
16 Runtime error 121 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -