Compilare: user.cpp: In function ‘int main()’: user.cpp:10:58: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] int n,m,v[41],nr=0,j=0,i,i1,i2,b,c,d,e,p,a[101][101],x,y,x1,x2,y1,y2,unu,zero; ^ user.cpp:10:60: warning: variable ‘y’ set but not used [-Wunused-but-set-variable] int n,m,v[41],nr=0,j=0,i,i1,i2,b,c,d,e,p,a[101][101],x,y,x1,x2,y1,y2,unu,zero; ^ user.cpp:11:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&m,&n); ^ user.cpp:13:51: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (j=1;j<=n;j++) fscanf(f,"%d",&a[i][j]); ^ user.cpp:15:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&k); ^ user.cpp:18:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d%d%d",&b,&c,&d,&e,&p); ^ user.cpp:10:65: warning: ‘x2’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,m,v[41],nr=0,j=0,i,i1,i2,b,c,d,e,p,a[101][101],x,y,x1,x2,y1,y2,unu,zero; ^ user.cpp:10:62: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,m,v[41],nr=0,j=0,i,i1,i2,b,c,d,e,p,a[101][101],x,y,x1,x2,y1,y2,unu,zero; ^