View Compilation Error

0_0_6469902_27163.cpp: In function `int main()':
0_0_6469902_27163.cpp:69: error: `ret' undeclared (first use this function)
0_0_6469902_27163.cpp:69: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6469902_27163.cpp:69: error: expected `;' at end of input
0_0_6469902_27163.cpp:69: error: expected `}' at end of input