oj.uz

Submission #532449

# Submission time Handle Problem Language Result Execution time Memory
532449 2022-03-02T22:04:54 Z OttoTheDino Swap (BOI16_swap) C++17
100 / 100
 690 ms 215492 KB 
#include <bits/stdc++.h>
using namespace std;

#define rep(i,s,e)                  for (int i = s; i <= e; ++i)
#define rrep(i,s,e)                 for (int i = s; i >= e; --i)
#define pb                          push_back
#define pf                          push_front
#define fi                          first
#define se                          second
#define all(a)                      a.begin(), a.end()
typedef long long ll;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<int> vi;
typedef vector<double> vd;
typedef vector<string> vs;
typedef vector<ll> vll;

const int mx = 2e5;

int a[2*mx+2];
unordered_map<int,int> dp[mx+1];

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    rep (i,1,2*mx+1) a[i] = 1e9;

    int n; cin >> n;
    rep (i,1,n) cin >> a[i];

    rrep (i,n,1) {
        vi aff;
        aff.pb(a[i]);
        int p = i/2;
        while (p) {
            if (aff.back()==a[2*p+1]) aff.pb(a[2*p]);
            aff.pb(a[p]);
            p = p/2;
        }
        for (int x : aff) {
            int mi = min(x, min(a[i*2], a[2*i+1]));
            if (x==mi) dp[i][x] = 1;
            else if (a[i*2]==mi) dp[i][x] = dp[2*i][x]+1;
            else {
                if (a[2*i]<x) {
                    if (dp[2*i][ a[2*i]] <= dp[2*i+1][ a[2*i]]) dp[i][x] = dp[2*i+1][x]+1; 
                    else dp[i][x] = dp[2*i][x]+1;
                }
                else dp[i][x] = min(dp[2*i][x], dp[2*i+1][x])+1;
            }
        }
    }

    rep (i,1,n) {
        int mi = min(a[i], min(a[2*i], a[2*i+1]));
        if (a[2*i+1]==mi) {
            int mi2 = min(a[i], a[2*i]), ma = max(a[i], a[2*i]);
            a[2*i] = mi2;
            a[2*i+1] = ma;
            if (dp[2*i][mi2]>dp[2*i+1][mi2]) swap (a[2*i], a[2*i+1]);
        }
        else if (a[2*i]==mi) a[2*i] = a[i];
        a[i] = mi;
    }

    rep (i,1,n) cout << a[i] << " \n"[i==n];

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12748 KB Output is correct
2 Correct 7 ms 12836 KB Output is correct
3 Correct 8 ms 12800 KB Output is correct
4 Correct 7 ms 12748 KB Output is correct
5 Correct 7 ms 12748 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12748 KB Output is correct
2 Correct 7 ms 12836 KB Output is correct
3 Correct 8 ms 12800 KB Output is correct
4 Correct 7 ms 12748 KB Output is correct
5 Correct 7 ms 12748 KB Output is correct
6 Correct 7 ms 12748 KB Output is correct
7 Correct 7 ms 12748 KB Output is correct
8 Correct 7 ms 12748 KB Output is correct
9 Correct 7 ms 12748 KB Output is correct
10 Correct 7 ms 12748 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12748 KB Output is correct
2 Correct 7 ms 12836 KB Output is correct
3 Correct 8 ms 12800 KB Output is correct
4 Correct 7 ms 12748 KB Output is correct
5 Correct 7 ms 12748 KB Output is correct
6 Correct 7 ms 12748 KB Output is correct
7 Correct 7 ms 12748 KB Output is correct
8 Correct 7 ms 12748 KB Output is correct
9 Correct 7 ms 12748 KB Output is correct
10 Correct 7 ms 12748 KB Output is correct
11 Correct 9 ms 13388 KB Output is correct
12 Correct 9 ms 13388 KB Output is correct
13 Correct 8 ms 13324 KB Output is correct
14 Correct 9 ms 13388 KB Output is correct
15 Correct 10 ms 13388 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12748 KB Output is correct
2 Correct 7 ms 12836 KB Output is correct
3 Correct 8 ms 12800 KB Output is correct
4 Correct 7 ms 12748 KB Output is correct
5 Correct 7 ms 12748 KB Output is correct
6 Correct 7 ms 12748 KB Output is correct
7 Correct 7 ms 12748 KB Output is correct
8 Correct 7 ms 12748 KB Output is correct
9 Correct 7 ms 12748 KB Output is correct
10 Correct 7 ms 12748 KB Output is correct
11 Correct 9 ms 13388 KB Output is correct
12 Correct 9 ms 13388 KB Output is correct
13 Correct 8 ms 13324 KB Output is correct
14 Correct 9 ms 13388 KB Output is correct
15 Correct 10 ms 13388 KB Output is correct
16 Correct 152 ms 58108 KB Output is correct
17 Correct 157 ms 58128 KB Output is correct
18 Correct 159 ms 58116 KB Output is correct
19 Correct 158 ms 58188 KB Output is correct
20 Correct 155 ms 58116 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12748 KB Output is correct
2 Correct 7 ms 12836 KB Output is correct
3 Correct 8 ms 12800 KB Output is correct
4 Correct 7 ms 12748 KB Output is correct
5 Correct 7 ms 12748 KB Output is correct
6 Correct 7 ms 12748 KB Output is correct
7 Correct 7 ms 12748 KB Output is correct
8 Correct 7 ms 12748 KB Output is correct
9 Correct 7 ms 12748 KB Output is correct
10 Correct 7 ms 12748 KB Output is correct
11 Correct 9 ms 13388 KB Output is correct
12 Correct 9 ms 13388 KB Output is correct
13 Correct 8 ms 13324 KB Output is correct
14 Correct 9 ms 13388 KB Output is correct
15 Correct 10 ms 13388 KB Output is correct
16 Correct 152 ms 58108 KB Output is correct
17 Correct 157 ms 58128 KB Output is correct
18 Correct 159 ms 58116 KB Output is correct
19 Correct 158 ms 58188 KB Output is correct
20 Correct 155 ms 58116 KB Output is correct
21 Correct 681 ms 214172 KB Output is correct
22 Correct 673 ms 215364 KB Output is correct
23 Correct 670 ms 215492 KB Output is correct
24 Correct 690 ms 215380 KB Output is correct
25 Correct 689 ms 215368 KB Output is correct