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int n;
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int *p;
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int RollNum[30][4];
int (*p)[4]=RollNum;
int *q[5];
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int **p1;
// p1 is a pointer  to a pointer  to an int.
int *&p2;
// p2 is a reference to a pointer  to an int.
int &*p3;
// ERROR: Pointer  to a reference is illegal.
int &&p4;
// ERROR: Reference to a reference is illegal.
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const int n=5;
int const m=10;
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