oj.uz

Submission #868731

# Submission time Handle Problem Language Result Execution time Memory
868731 2023-11-01T19:39:22 Z hazzle Swap (BOI16_swap) C++17
68 / 100
 1000 ms 256184 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])};
            auto lol1 = _dp(_dp, ls, a[ls]);
            auto lol2 = _dp(_dp, rs, a[rs]);
            auto lol3 = _dp(_dp, ls, ai);
            auto lol4 = _dp(_dp, rs, ai);
            auto lol5 = _dp(_dp, rs, a[ls]);
            auto op1 = mrg(ai, lol1, lol2);
            auto op2 = mrg(a[ls], lol3, lol2);
            auto op3 = mrg(a[rs], lol1, lol4);
            auto op4 = mrg(a[rs], lol3, lol5);
            // 1 2 3
            // 2 1 3
            // 3 1 2
            // cout << i << " " << ai << ":\n";
            // cout << " "; for (auto &x: op1) cout << x << " "; cout << "\n";
            // cout << " "; for (auto &x: op2) cout << x << " "; cout << "\n";
            // cout << " "; for (auto &x: op3) cout << x << " "; cout << "\n";
            return dp[i][ai] = min({op1, op2, op3, op4});
      };
      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 344 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 344 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 344 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 436 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 344 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 436 KB Output is correct
11 Correct 7 ms 2140 KB Output is correct
12 Correct 6 ms 1884 KB Output is correct
13 Correct 7 ms 2140 KB Output is correct
14 Correct 6 ms 2140 KB Output is correct
15 Correct 6 ms 2140 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 344 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 436 KB Output is correct
11 Correct 7 ms 2140 KB Output is correct
12 Correct 6 ms 1884 KB Output is correct
13 Correct 7 ms 2140 KB Output is correct
14 Correct 6 ms 2140 KB Output is correct
15 Correct 6 ms 2140 KB Output is correct
16 Correct 750 ms 147388 KB Output is correct
17 Correct 745 ms 147512 KB Output is correct
18 Correct 751 ms 147836 KB Output is correct
19 Correct 739 ms 147492 KB Output is correct
20 Correct 734 ms 147320 KB Output is correct

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 344 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 436 KB Output is correct
11 Correct 7 ms 2140 KB Output is correct
12 Correct 6 ms 1884 KB Output is correct
13 Correct 7 ms 2140 KB Output is correct
14 Correct 6 ms 2140 KB Output is correct
15 Correct 6 ms 2140 KB Output is correct
16 Correct 750 ms 147388 KB Output is correct
17 Correct 745 ms 147512 KB Output is correct
18 Correct 751 ms 147836 KB Output is correct
19 Correct 739 ms 147492 KB Output is correct
20 Correct 734 ms 147320 KB Output is correct
21 Execution timed out 1052 ms 256184 KB Time limit exceeded
22 Halted 0 ms 0 KB -