View Compilation Error

181017_0_18938.cpp: In function `int main()':
181017_0_18938.cpp:50: error: `retur' undeclared (first use this function)
181017_0_18938.cpp:50: error: (Each undeclared identifier is reported only once for each function it appears in.)
181017_0_18938.cpp:50: error: expected `;' at end of input
181017_0_18938.cpp:50: error: expected `}' at end of input