View Compilation Error

154837_0_13608.cpp:3: error: `main' must return `int'
154837_0_13608.cpp: In function `int main(...)':
154837_0_13608.cpp:19: error: `malloc' undeclared (first use this function)
154837_0_13608.cpp:19: error: (Each undeclared identifier is reported only once for each function it appears in.)