oj.uz

Submission #520750

# Submission time Handle Problem Language Result Execution time Memory
520750 2022-01-31T01:34:44 Z christinelynn Swap (BOI16_swap) C++17
48 / 100
 120 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 246516 KB Output is correct
2 Correct 108 ms 246556 KB Output is correct
3 Correct 108 ms 246496 KB Output is correct
4 Correct 115 ms 246636 KB Output is correct
5 Correct 109 ms 246508 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 246516 KB Output is correct
2 Correct 108 ms 246556 KB Output is correct
3 Correct 108 ms 246496 KB Output is correct
4 Correct 115 ms 246636 KB Output is correct
5 Correct 109 ms 246508 KB Output is correct
6 Correct 108 ms 246512 KB Output is correct
7 Correct 112 ms 246500 KB Output is correct
8 Correct 109 ms 246528 KB Output is correct
9 Correct 111 ms 246580 KB Output is correct
10 Correct 110 ms 246468 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 246516 KB Output is correct
2 Correct 108 ms 246556 KB Output is correct
3 Correct 108 ms 246496 KB Output is correct
4 Correct 115 ms 246636 KB Output is correct
5 Correct 109 ms 246508 KB Output is correct
6 Correct 108 ms 246512 KB Output is correct
7 Correct 112 ms 246500 KB Output is correct
8 Correct 109 ms 246528 KB Output is correct
9 Correct 111 ms 246580 KB Output is correct
10 Correct 110 ms 246468 KB Output is correct
11 Correct 113 ms 247280 KB Output is correct
12 Correct 109 ms 247328 KB Output is correct
13 Correct 114 ms 247492 KB Output is correct
14 Correct 120 ms 247272 KB Output is correct
15 Correct 110 ms 247204 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 246516 KB Output is correct
2 Correct 108 ms 246556 KB Output is correct
3 Correct 108 ms 246496 KB Output is correct
4 Correct 115 ms 246636 KB Output is correct
5 Correct 109 ms 246508 KB Output is correct
6 Correct 108 ms 246512 KB Output is correct
7 Correct 112 ms 246500 KB Output is correct
8 Correct 109 ms 246528 KB Output is correct
9 Correct 111 ms 246580 KB Output is correct
10 Correct 110 ms 246468 KB Output is correct
11 Correct 113 ms 247280 KB Output is correct
12 Correct 109 ms 247328 KB Output is correct
13 Correct 114 ms 247492 KB Output is correct
14 Correct 120 ms 247272 KB Output is correct
15 Correct 110 ms 247204 KB Output is correct
16 Runtime error 120 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 246516 KB Output is correct
2 Correct 108 ms 246556 KB Output is correct
3 Correct 108 ms 246496 KB Output is correct
4 Correct 115 ms 246636 KB Output is correct
5 Correct 109 ms 246508 KB Output is correct
6 Correct 108 ms 246512 KB Output is correct
7 Correct 112 ms 246500 KB Output is correct
8 Correct 109 ms 246528 KB Output is correct
9 Correct 111 ms 246580 KB Output is correct
10 Correct 110 ms 246468 KB Output is correct
11 Correct 113 ms 247280 KB Output is correct
12 Correct 109 ms 247328 KB Output is correct
13 Correct 114 ms 247492 KB Output is correct
14 Correct 120 ms 247272 KB Output is correct
15 Correct 110 ms 247204 KB Output is correct
16 Runtime error 120 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -