oj.uz

Submission #868738

# Submission time Handle Problem Language Result Execution time Memory
868738 2023-11-01T19:46:58 Z hazzle Swap (BOI16_swap) C++17
68 / 100
 564 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])));
            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 440 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 432 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 440 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 432 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 600 KB Output is correct
7 Correct 1 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 1 ms 348 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 440 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 432 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 600 KB Output is correct
7 Correct 1 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 1 ms 348 KB Output is correct
11 Correct 1 ms 856 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 1368 KB Output is correct
15 Correct 2 ms 1372 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 440 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 432 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 600 KB Output is correct
7 Correct 1 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 1 ms 348 KB Output is correct
11 Correct 1 ms 856 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 1368 KB Output is correct
15 Correct 2 ms 1372 KB Output is correct
16 Correct 50 ms 21456 KB Output is correct
17 Correct 51 ms 21196 KB Output is correct
18 Correct 49 ms 21736 KB Output is correct
19 Correct 297 ms 100132 KB Output is correct
20 Correct 288 ms 98916 KB Output is correct

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 440 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 432 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 600 KB Output is correct
7 Correct 1 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 1 ms 348 KB Output is correct
11 Correct 1 ms 856 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 1368 KB Output is correct
15 Correct 2 ms 1372 KB Output is correct
16 Correct 50 ms 21456 KB Output is correct
17 Correct 51 ms 21196 KB Output is correct
18 Correct 49 ms 21736 KB Output is correct
19 Correct 297 ms 100132 KB Output is correct
20 Correct 288 ms 98916 KB Output is correct
21 Correct 231 ms 89324 KB Output is correct
22 Correct 218 ms 89740 KB Output is correct
23 Correct 218 ms 90544 KB Output is correct
24 Runtime error 564 ms 262144 KB Execution killed with signal 9
25 Halted 0 ms 0 KB -