oj.uz

답안 #1020362

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1020362 2024-07-12T02:06:19 Z vjudge1 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, w;
    cin >> w;
    if (w == 0) {
        c++;
        int k = c, l;
        trya();
        c++;
        l = c;
        trya();
        g[h].push_back(k);
        g[h].push_back(l);
    }
    else a[h] = w;
}
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);
            else res += s[x].size() - s[x].order_of_key(v);
        }
        for (int v : s[w]) {
            s[x].insert(v);
        }
    }
    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);
}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 41040 KB Output is correct
2 Correct 26 ms 41052 KB Output is correct
3 Correct 23 ms 40988 KB Output is correct
4 Correct 24 ms 41052 KB Output is correct
5 Correct 24 ms 41052 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 41052 KB Output is correct
2 Correct 24 ms 41052 KB Output is correct
3 Correct 24 ms 41076 KB Output is correct
4 Correct 31 ms 41040 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 41308 KB Output is correct
2 Correct 25 ms 41308 KB Output is correct
3 Correct 25 ms 41308 KB Output is correct
4 Correct 32 ms 41308 KB Output is correct

Subtask #4
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 300 ms 42436 KB Output is correct
2 Correct 34 ms 42324 KB Output is correct
3 Correct 292 ms 42308 KB Output is correct
4 Correct 387 ms 42644 KB Output is correct

Subtask #5
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1020 ms 44628 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 204 ms 60752 KB Output is correct
2 Execution timed out 1070 ms 47840 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1068 ms 61936 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1060 ms 48160 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 115 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #10
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1041 ms 52764 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #11
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1016 ms 52044 KB Time limit exceeded
2 Halted 0 ms 0 KB -