View Compilation Error

73097_0_1623.cpp:9: error: integer constant is too large for "long" type
73097_0_1623.cpp:9: error: overflow in array dimension
73097_0_1623.cpp:9: error: size of array `sign' is too large
73097_0_1623.cpp: In function `int main()':
73097_0_1623.cpp:21: error: `sign' undeclared (first use this function)
73097_0_1623.cpp:21: error: (Each undeclared identifier is reported only once for each function it appears in.)