vector<int> ivec(20);
int v1, v2;
string file_name;
string ifile, ofile;
ofstream outfile( "name-of-file" );
ifstream infile( "name of file" );
第2章
int ival = 1024;
int fibon[ 9 ] = { 0, 1, 1, 2, 3, 5, 8, 13, 21 };
int first_elem = fibon[ 1 ];
一位偏移off-by-one錯誤
int ia[ 10 ];
int *pint;
int *pint = new int( 1024 );
delete pint;
int *pia = new int[ 4 ];
delete [] pia;