Compilare: user.cpp: In function ‘int main()’: user.cpp:10:21: warning: unused variable ‘maxi’ [-Wunused-variable] int n,k,i,j,t,r,maxi,sol,lin; ^ user.cpp:10:30: warning: unused variable ‘lin’ [-Wunused-variable] int n,k,i,j,t,r,maxi,sol,lin; ^ user.cpp:11:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&n,&k); ^ user.cpp:14:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&b[i][j]); ^