View Compilation Error

843609_0_0_21214.cpp: In function `void Search()':
843609_0_0_21214.cpp:34: error: `find' undeclared (first use this function)
843609_0_0_21214.cpp:34: error: (Each undeclared identifier is reported only once for each function it appears in.)
843609_0_0_21214.cpp: In function `int main()':
843609_0_0_21214.cpp:108: error: `find' undeclared (first use this function)