class FileReader
{
private:
    int numberOfNodes;
    int startingNode;
    int numberOfTerminalNodes;
    int terminalNode[];
    int numberOfTransitions;
    int transitions[];

public:
    FileReader();
    ~FileReader();

};

struct S {
    int size;
    int data[];
};

S *make_s(int size) {
    S *s = (S*)malloc(sizeof(S) + sizeof(int)*size);
    s->size = size;
    return s;
}

int main() {
    S *s = make_s(4);
    for (int i=0;i<s->size;++i)
        s->data[i] = i;
    free(s);
}

FileReader * p = malloc(sizeof(FileReader) + N * sizeof(int));