View Compilation Error

0_0_6161697_30258.cpp: In function `int Find1(int)':
0_0_6161697_30258.cpp:24: error: `Find' undeclared (first use this function)
0_0_6161697_30258.cpp:24: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6161697_30258.cpp: In function `int Find(int)':
0_0_6161697_30258.cpp:30: error: `int Find(int)' used prior to declaration
0_0_6161697_30258.cpp:31: error: `set' undeclared (first use this function)
0_0_6161697_30258.cpp:33: error: `sum' undeclared (first use this function)