Compilare: user.cpp: In function ‘void determinare_suma_vector(int*, int&, int&, int&, int)’: user.cpp:7:20: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] int maxim = 0 - 1 << 30, s = 0, start; ^ user.cpp:7:6: warning: unused variable ‘maxim’ [-Wunused-variable] int maxim = 0 - 1 << 30, s = 0, start; ^ user.cpp:7:34: warning: variable ‘start’ set but not used [-Wunused-but-set-variable] int maxim = 0 - 1 << 30, s = 0, start; ^ user.cpp: In function ‘void determinare_suma(int, int, int (*)[501])’: user.cpp:23:56: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] int maxLeft, maxRight, maxUp, maxDown, maxSum = 0 - 1 << 30, Sum, Up, Down; ^ user.cpp:23:6: warning: variable ‘maxLeft’ set but not used [-Wunused-but-set-variable] int maxLeft, maxRight, maxUp, maxDown, maxSum = 0 - 1 << 30, Sum, Up, Down; ^ user.cpp:23:15: warning: variable ‘maxRight’ set but not used [-Wunused-but-set-variable] int maxLeft, maxRight, maxUp, maxDown, maxSum = 0 - 1 << 30, Sum, Up, Down; ^ user.cpp:23:25: warning: variable ‘maxUp’ set but not used [-Wunused-but-set-variable] int maxLeft, maxRight, maxUp, maxDown, maxSum = 0 - 1 << 30, Sum, Up, Down; ^ user.cpp:23:32: warning: variable ‘maxDown’ set but not used [-Wunused-but-set-variable] int maxLeft, maxRight, maxUp, maxDown, maxSum = 0 - 1 << 30, Sum, Up, Down; ^