View Compilation Error

0_0_4693557_12144.cpp:8: error: size of array `c' is too large
0_0_4693557_12144.cpp: In function `void Add(int, int, int, int)':
0_0_4693557_12144.cpp:22: error: `c' undeclared (first use this function)
0_0_4693557_12144.cpp:22: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4693557_12144.cpp: In function `int sum(int, int, int)':
0_0_4693557_12144.cpp:32: error: `c' undeclared (first use this function)
0_0_4693557_12144.cpp: In function `int main()':
0_0_4693557_12144.cpp:40: error: `c' undeclared (first use this function)