Compilare: user.cpp: In function ‘int main()’: user.cpp:9:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,m,n,maxim,mij,st,dr,nr,t; ^ user.cpp:9:23: warning: unused variable ‘mij’ [-Wunused-variable] int i,j,m,n,maxim,mij,st,dr,nr,t; ^ user.cpp:9:30: warning: unused variable ‘dr’ [-Wunused-variable] int i,j,m,n,maxim,mij,st,dr,nr,t; ^ user.cpp:12:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:15:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^