Compilare: user.cpp: In function ‘void comutal(int (*)[17], int*)’: user.cpp:8:13: warning: unused variable ‘s’ [-Wunused-variable] int i,j,s=0; ^ user.cpp: In function ‘void comutac(int (*)[17], int*)’: user.cpp:16:13: warning: unused variable ‘s’ [-Wunused-variable] int i,j,s=0; ^ user.cpp: In function ‘int main()’: user.cpp:43:27: warning: unused variable ‘s1’ [-Wunused-variable] int i,j,A[17][17],s=0,s1,i1,j1,B[17][17],C[17][17]; ^ user.cpp:43:30: warning: unused variable ‘i1’ [-Wunused-variable] int i,j,A[17][17],s=0,s1,i1,j1,B[17][17],C[17][17]; ^ user.cpp:43:33: warning: unused variable ‘j1’ [-Wunused-variable] int i,j,A[17][17],s=0,s1,i1,j1,B[17][17],C[17][17]; ^ user.cpp:56:20: warning: unused variable ‘b’ [-Wunused-variable] int a[100]={0},b[100]={0}; ^