oj.uz

Submission #520747

# Submission time Handle Problem Language Result Execution time Memory
520747 2022-01-31T01:30:49 Z christinelynn Swap (BOI16_swap) C++17
48 / 100
 126 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 246456 KB Output is correct
2 Correct 107 ms 246500 KB Output is correct
3 Correct 124 ms 246624 KB Output is correct
4 Correct 110 ms 246468 KB Output is correct
5 Correct 123 ms 246556 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 246456 KB Output is correct
2 Correct 107 ms 246500 KB Output is correct
3 Correct 124 ms 246624 KB Output is correct
4 Correct 110 ms 246468 KB Output is correct
5 Correct 123 ms 246556 KB Output is correct
6 Correct 111 ms 246564 KB Output is correct
7 Correct 110 ms 246584 KB Output is correct
8 Correct 124 ms 246564 KB Output is correct
9 Correct 126 ms 246568 KB Output is correct
10 Correct 107 ms 246520 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 246456 KB Output is correct
2 Correct 107 ms 246500 KB Output is correct
3 Correct 124 ms 246624 KB Output is correct
4 Correct 110 ms 246468 KB Output is correct
5 Correct 123 ms 246556 KB Output is correct
6 Correct 111 ms 246564 KB Output is correct
7 Correct 110 ms 246584 KB Output is correct
8 Correct 124 ms 246564 KB Output is correct
9 Correct 126 ms 246568 KB Output is correct
10 Correct 107 ms 246520 KB Output is correct
11 Correct 119 ms 247252 KB Output is correct
12 Correct 120 ms 247420 KB Output is correct
13 Correct 112 ms 247228 KB Output is correct
14 Correct 111 ms 247328 KB Output is correct
15 Correct 117 ms 247236 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 246456 KB Output is correct
2 Correct 107 ms 246500 KB Output is correct
3 Correct 124 ms 246624 KB Output is correct
4 Correct 110 ms 246468 KB Output is correct
5 Correct 123 ms 246556 KB Output is correct
6 Correct 111 ms 246564 KB Output is correct
7 Correct 110 ms 246584 KB Output is correct
8 Correct 124 ms 246564 KB Output is correct
9 Correct 126 ms 246568 KB Output is correct
10 Correct 107 ms 246520 KB Output is correct
11 Correct 119 ms 247252 KB Output is correct
12 Correct 120 ms 247420 KB Output is correct
13 Correct 112 ms 247228 KB Output is correct
14 Correct 111 ms 247328 KB Output is correct
15 Correct 117 ms 247236 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 108 ms 246456 KB Output is correct
2 Correct 107 ms 246500 KB Output is correct
3 Correct 124 ms 246624 KB Output is correct
4 Correct 110 ms 246468 KB Output is correct
5 Correct 123 ms 246556 KB Output is correct
6 Correct 111 ms 246564 KB Output is correct
7 Correct 110 ms 246584 KB Output is correct
8 Correct 124 ms 246564 KB Output is correct
9 Correct 126 ms 246568 KB Output is correct
10 Correct 107 ms 246520 KB Output is correct
11 Correct 119 ms 247252 KB Output is correct
12 Correct 120 ms 247420 KB Output is correct
13 Correct 112 ms 247228 KB Output is correct
14 Correct 111 ms 247328 KB Output is correct
15 Correct 117 ms 247236 KB Output is correct
16 Runtime error 125 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -