rust-katas/main.cpp at main · amrondonp/rust-katas · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
#include<iostream>
#include<vector>

using namespace std;

int table[100000 + 10];
int r_table[100000 + 10];

int main() {
    int n;
    cin >> n;
    vector<int> array(n + 10);
    for(int i = 0 ; i < n ; i++) {
        cin >> array[i];
    }
    int m;
    cin >> m;

    vector<int> queries(m + 10);
    for(int i = 0; i < m ; i++) {
        cin >> queries[i];
    }

    for(int i = 0; i < n + 8; i++) {
        table[i] = -1;
        r_table[i] = -1;
    }

    for(int i = 0; i < n ; i++) {
        if(table[array[i]] == -1) {
            table[array[i]] = i;
        }
    }

    for(int i = n - 1; i >= 0; i--) {
        if(r_table[array[i]] == -1) {
            r_table[array[i]] = n - i - 1;
        }
    }

    long long int vash = 0;
    long long int sash = 0;

    for(int i = 0 ; i < m ; i++ ) {
        // cout << table[queries[i]] << " " << r_table[queries[i]] << endl;
        vash = vash + table[queries[i]] + 1;
        sash = sash + r_table[queries[i]] + 1;
    }

    cout << vash << " " << sash << endl;
}