12503 - Robot Instructions

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define endl '\n'
#define sz(x) int(x.size())
#define all(x) x.begin(), x.end()

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    int test;
    cin >> test;
    while (test--) {
        int n;
        cin >> n;
        int inst[n + 1], p = 0;
        string tmp;
        for (int i = 1; i <= n; i++) {
            cin >> tmp;
            if (tmp == "LEFT") inst[i] = -1;
            if (tmp == "RIGHT") inst[i] = 1;
            if (tmp == "SAME") {
                int x;
                cin >> tmp >> x;
                inst[i] = inst[x];
            }
            p += inst[i];
        }
        cout << p << endl;
    }
}