oj.uz

Submission #868739

# Submission time Handle Problem Language Result Execution time Memory
868739 2023-11-01T19:49:21 Z hazzle Swap (BOI16_swap) C++17
68 / 100
 569 ms 262144 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
//#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("avx,avx2,fma")
 
using namespace std;
using namespace __gnu_pbds;
 
#define fi first
#define se second
#define all(m) (m).begin(), (m).end()
#define rall(m) (m).rbegin(), (m).rend()
#define vec vector
#define sz(a) (int) (a).size()
#define mpp make_pair
#define mt t make_tuple
#define RA ranges
 
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef pair <ll, ll> pll;
typedef pair <int, int> pii;
typedef tuple <int, int, int> tui;
 
template <typename T>
using prq = priority_queue <T>;
 
template <typename T>
using pgq = priority_queue <T, vec <T>, greater <T>>;
 
template <typename T>
using oset = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;
#define ook order_of_key
 
template <typename T> bool umin(T &a, T b) { return a > b ? a = b, 1 : 0; }
template <typename T> bool umax(T &a, T b) { return a < b ? a = b, 1 : 0; }
 
inline int solve(){
      int n; cin >> n;
      vec <int> a(n + 1);
      for (int i = 1; i <= n; ++i) cin >> a[i];
      auto mrg = [&](int x, vec <int> lf, vec <int> rt){
            vec <int> res(1 + sz(lf) + sz(rt));
            res[0] = x;
            int p1 = 0, p2 = 0;
            int st = 1, pt = 1;
            while(pt < sz(res)){
                  for (int i = 0; i < st && p1 < sz(lf) && pt < sz(res); ++i){
                        res[pt++] = lf[p1++];
                  }
                  for (int i = 0; i < st && p2 < sz(rt) && pt < sz(res); ++i){
                        res[pt++] = rt[p2++];
                  }
                  st <<= 1;
            }
            return res;
      };
      vec <map <int, vec <int>>> dp(n + 1);
      auto _dp = [&](auto &&_dp, int i, int ai) -> vec <int> {
            if (dp[i].count(ai)) return dp[i][ai];
            int ls = 2 * i, rs = 2 * i + 1;
            if (ls > n) return dp[i][ai] = {ai};
            if (rs > n) return dp[i][ai] = {min(ai, a[ls]), max(ai, a[ls])};
            if (ai < min(a[ls], a[rs])){
                  return dp[i][ai] = mrg(ai, _dp(_dp, ls, a[ls]), _dp(_dp, rs, a[rs]));
            }
            if (a[ls] < a[rs]){
                  return dp[i][ai] = mrg(a[ls], _dp(_dp, ls, ai), _dp(_dp, rs, a[rs]));
            }
            return dp[i][ai] = min(mrg(a[rs], _dp(_dp, ls, a[ls]), _dp(_dp, rs, ai)), 
                                   mrg(a[rs], _dp(_dp, ls, ai), _dp(_dp, rs, a[ls])));
      };
      vec <int> res = _dp(_dp, 1, a[1]);
      for (auto &i: res) cout << i << " ";
      return 0;
}
 
inline void precalc(){}
 
signed main(){
      //ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
      int tst = 1; //cin >> tst;
      precalc();
      while(tst--) solve();
      return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 860 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 3 ms 1372 KB Output is correct
15 Correct 3 ms 1372 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 860 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 3 ms 1372 KB Output is correct
15 Correct 3 ms 1372 KB Output is correct
16 Correct 48 ms 21200 KB Output is correct
17 Correct 49 ms 20952 KB Output is correct
18 Correct 51 ms 21448 KB Output is correct
19 Correct 291 ms 99864 KB Output is correct
20 Correct 285 ms 98828 KB Output is correct

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 860 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 3 ms 1372 KB Output is correct
15 Correct 3 ms 1372 KB Output is correct
16 Correct 48 ms 21200 KB Output is correct
17 Correct 49 ms 20952 KB Output is correct
18 Correct 51 ms 21448 KB Output is correct
19 Correct 291 ms 99864 KB Output is correct
20 Correct 285 ms 98828 KB Output is correct
21 Correct 220 ms 88504 KB Output is correct
22 Correct 227 ms 88904 KB Output is correct
23 Correct 221 ms 89304 KB Output is correct
24 Runtime error 569 ms 262144 KB Execution killed with signal 9
25 Halted 0 ms 0 KB -