View Compilation Error

186860_0_6660.cpp
186860_0_6660.cpp(2) : error C2871: 'std' : does not exist or is not a namespace
186860_0_6660.cpp(21) : error C2440: '=' : cannot convert from 'int' to 'int [50]'
        There are no conversions to array types, although there are conversions to references or pointers to arrays