View Compilation Error

0_0_9257541_10269.cpp: In function `int find(int)':
0_0_9257541_10269.cpp:31: error: `ret' undeclared (first use this function)
0_0_9257541_10269.cpp:31: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9257541_10269.cpp:31: error: expected `;' at end of input
0_0_9257541_10269.cpp:31: error: expected `}' at end of input