Compilare: user.cpp: In function ‘int main()’: user.cpp:35:31: warning: unused variable ‘i1’ [-Wunused-variable] int t,n,k1,k2,i,j,vc,mini,i1,i2,col,cm,j1,j2,j3,aux; ^ user.cpp:35:34: warning: unused variable ‘i2’ [-Wunused-variable] int t,n,k1,k2,i,j,vc,mini,i1,i2,col,cm,j1,j2,j3,aux; ^ user.cpp:35:37: warning: unused variable ‘col’ [-Wunused-variable] int t,n,k1,k2,i,j,vc,mini,i1,i2,col,cm,j1,j2,j3,aux; ^ user.cpp:36:47: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d%d%d%d",&t,&n,&m,&k1,&k2); ^ user.cpp:39:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&a[j][i]); ^