Submission #1020361

# Submission time Handle Problem Language Result Execution time Memory
1020361 2024-07-12T02:05:12 Z adaawf Tree Rotations (POI11_rot) C++17
36 / 100
1000 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, a[400005];
vector<int> g[400005];
ordered_set s[400005];
void trya() {
    int h = c, k;
    cin >> k;
    if (k == 0) {
        c++;
        int k = c, l;
        trya();
        c++;
        l = c;
        trya();
        g[h].push_back(k);
        g[h].push_back(l);
    }
    else a[h] = k;
}
long long int dfs(int x) {
    if (g[x].size() == 0) {
        s[x].insert(a[x]);
        return 0;
    }
    long long int res = 0, c = 0, h = 1;
    for (int w : g[x]) {
        c += dfs(w);
        h *= s[w].size();
        int flag = 0;
        if (s[w].size() > s[x].size()) {
            swap(s[w], s[x]);
            flag = 1;
        }
        for (int v : s[w]) {
            if (flag == 1) {
                res += s[x].order_of_key(v);
                //cout << 123 << " " << x << " " << s[x].order_of_key(v) << " " << res << endl;
            }
            else {
                res += s[x].size() - s[x].order_of_key(v);
                //cout << 123 << " " << x << " " << s[x].order_of_key(v) << " " << res << endl;
            }
        }
        for (int v : s[w]) {
            s[x].insert(v);
        }
    }
    /*cout << x << " " << min(res, h - res) + c << endl;
    for (int w : s[x]) {
        cout << w << " ";
    }
    cout << endl;*/
    return min(res, h - res) + c;
}
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n;
    cin >> n;
    trya();
    cout << dfs(1);
}
# Verdict Execution time Memory Grader output
1 Correct 25 ms 41052 KB Output is correct
2 Correct 25 ms 41052 KB Output is correct
3 Correct 24 ms 41052 KB Output is correct
4 Correct 24 ms 41052 KB Output is correct
5 Correct 24 ms 41052 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 32 ms 41052 KB Output is correct
2 Correct 25 ms 41052 KB Output is correct
3 Correct 25 ms 41052 KB Output is correct
4 Correct 24 ms 41052 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 26 ms 41308 KB Output is correct
2 Correct 27 ms 41308 KB Output is correct
3 Correct 26 ms 41420 KB Output is correct
4 Correct 31 ms 41404 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 290 ms 42364 KB Output is correct
2 Correct 34 ms 42332 KB Output is correct
3 Correct 275 ms 42324 KB Output is correct
4 Correct 368 ms 42592 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 1055 ms 44352 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 216 ms 60756 KB Output is correct
2 Execution timed out 1077 ms 48464 KB Time limit exceeded
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1072 ms 61688 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1037 ms 48212 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 140 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1010 ms 52676 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1033 ms 52272 KB Time limit exceeded
2 Halted 0 ms 0 KB -