View Compilation Error

591100_0_0_10681.cpp: In function `int main()':
591100_0_0_10681.cpp:7: error: size of array `len' is too large
591100_0_0_10681.cpp:15: error: `len' undeclared (first use this function)
591100_0_0_10681.cpp:15: error: (Each undeclared identifier is reported only once for each function it appears in.)