View Compilation Error

929883_0_0_698.cpp: In function `void merge(int, int)':
929883_0_0_698.cpp:24: error: `random' undeclared (first use this function)
929883_0_0_698.cpp:24: error: (Each undeclared identifier is reported only once for each function it appears in.)
929883_0_0_698.cpp: In function `int main()':
929883_0_0_698.cpp:70: error: `srandom' undeclared (first use this function)