Submission #1020369

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1020369	2024-07-12T02:21:58 Z	vjudge1	Tree Rotations (POI11_rot)	C++17	100 / 100	388 ms	65536 KB

#include <iostream>
#include <vector>
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4.1,sse4.2,avx,avx2,popcnt,tune=native")
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
int c = 1;
ordered_set s[400005];
long long int dfs(int x) {
    int w;
    cin >> w;
    if (w != 0) {
        s[x].insert(w);
        return 0;
    }
    long long int res = 0, d = 0, h = 1;
    {
        int w = ++c;
        d += dfs(w);
        h *= s[w].size();
        int flag = 0;
        if (s[w].size() > s[x].size()) {
            s[x].swap(s[w]);
            flag = 1;
        }
        for (int v : s[w]) {
            if (flag == 1) res += s[x].order_of_key(v);
            else res += s[x].size() - s[x].order_of_key(v);
        }
        for (int v : s[w]) {
            s[x].insert(v);
        }
        s[w].clear();
    }
    {
        int w = ++c;
        d += dfs(w);
        h *= s[w].size();
        int flag = 0;
        if (s[w].size() > s[x].size()) {
            s[x].swap(s[w]);
            flag = 1;
        }
        for (int v : s[w]) {
            if (flag == 1) res += s[x].order_of_key(v);
            else res += s[x].size() - s[x].order_of_key(v);
        }
        for (int v : s[w]) {
            s[x].insert(v);
        }
        s[w].clear();
    }
    return min(res, h - res) + d;
}
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n;
    cin >> n;
    cout << dfs(1);
}

Subtask #1
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	31580 KB	Output is correct
2	Correct	24 ms	31584 KB	Output is correct
3	Correct	21 ms	31580 KB	Output is correct
4	Correct	21 ms	31580 KB	Output is correct
5	Correct	23 ms	31580 KB	Output is correct

Subtask #2
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	21 ms	31580 KB	Output is correct
2	Correct	20 ms	31580 KB	Output is correct
3	Correct	20 ms	31596 KB	Output is correct
4	Correct	21 ms	31576 KB	Output is correct

Subtask #3
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	27 ms	31568 KB	Output is correct
2	Correct	23 ms	31796 KB	Output is correct
3	Correct	22 ms	31580 KB	Output is correct
4	Correct	22 ms	31836 KB	Output is correct

Subtask #4
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	25 ms	32348 KB	Output is correct
2	Correct	25 ms	32004 KB	Output is correct
3	Correct	24 ms	32600 KB	Output is correct
4	Correct	23 ms	32604 KB	Output is correct

Subtask #5
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	34392 KB	Output is correct
2	Correct	34 ms	32472 KB	Output is correct
3	Correct	67 ms	33692 KB	Output is correct
4	Correct	31 ms	33872 KB	Output is correct

Subtask #6
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	83 ms	34896 KB	Output is correct
2	Correct	59 ms	38740 KB	Output is correct
3	Correct	67 ms	41964 KB	Output is correct
4	Correct	63 ms	41672 KB	Output is correct

Subtask #7
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	80 ms	51664 KB	Output is correct
2	Correct	79 ms	46416 KB	Output is correct
3	Correct	102 ms	39928 KB	Output is correct
4	Correct	76 ms	37456 KB	Output is correct

Subtask #8
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	114 ms	37968 KB	Output is correct
2	Correct	111 ms	41552 KB	Output is correct
3	Correct	100 ms	52008 KB	Output is correct
4	Correct	119 ms	51812 KB	Output is correct

Subtask #9
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	228 ms	50864 KB	Output is correct
2	Correct	162 ms	44116 KB	Output is correct
3	Correct	173 ms	46796 KB	Output is correct
4	Correct	183 ms	44612 KB	Output is correct
5	Correct	310 ms	43140 KB	Output is correct

Subtask #10
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	194 ms	45168 KB	Output is correct
2	Correct	193 ms	62804 KB	Output is correct
3	Correct	225 ms	53072 KB	Output is correct
4	Correct	212 ms	65536 KB	Output is correct
5	Correct	388 ms	45140 KB	Output is correct

Subtask #11
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	229 ms	48208 KB	Output is correct
2	Correct	199 ms	46256 KB	Output is correct
3	Correct	286 ms	42320 KB	Output is correct
4	Correct	244 ms	48276 KB	Output is correct
5	Correct	199 ms	61268 KB	Output is correct
6	Correct	303 ms	45732 KB	Output is correct

Submission #1020369

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