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// Vector to store the arrays
vector<vector<int>> arrays(n);
// Reading the arrays
for (int i = 0; i < n; i++) {
int k;
cin >> k;
arrays[i].resize(k);
for (int j = 0; j < k; j++) {
cin >> arrays[i][j];
}
}
// Processing the queries
for (int i = 0; i < q; i++) {
int a, b;
cin >> a >> b;
cout << arrays[a][b] << endl;
}
return 0;
}
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Variable Sized Arrays
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include
include
using namespace std;
int main() { int n, q; cin >> n >> q;
}