Compilare: user.cpp: In function ‘void secventamaxima(int, int)’: user.cpp:13:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,x=0,l=0; ^ user.cpp: In function ‘void solveb()’: user.cpp:41:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,x=0,i1,j1; ^ user.cpp:41:13: warning: unused variable ‘x’ [-Wunused-variable] int i,j,x=0,i1,j1; ^ user.cpp: In function ‘int main()’: user.cpp:75:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&c,&n); ^ user.cpp:77:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^