Main.cc:13: error: size of array `can' is too large
Main.cc: In function `void prco(int, int, int, int)':
Main.cc:41: error: `can' undeclared (first use this function)
Main.cc:41: error: (Each undeclared identifier is reported only once for each function it appears in.)
Main.cc: In function `int main()':
Main.cc:68: error: `can' undeclared (first use this function)