Compilare: user.cpp: In function ‘int main()’: user.cpp:38:55: warning: variable ‘ir’ set but not used [-Wunused-but-set-variable] {int n,m,mat[100][100],mat2[100][100],xi,yi,xf,yf,i,j,ir,jr,minn,X; ^ user.cpp:38:58: warning: variable ‘jr’ set but not used [-Wunused-but-set-variable] {int n,m,mat[100][100],mat2[100][100],xi,yi,xf,yf,i,j,ir,jr,minn,X; ^ user.cpp:38:66: warning: unused variable ‘X’ [-Wunused-variable] {int n,m,mat[100][100],mat2[100][100],xi,yi,xf,yf,i,j,ir,jr,minn,X; ^ user.cpp:85:14: warning: ‘minn’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<minn; ^ user.cpp:69:24: warning: ‘yf’ may be used uninitialized in this function [-Wmaybe-uninitialized] lee(n,m,mat2,xf,yf); ^ user.cpp:69:24: warning: ‘xf’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:68:23: warning: ‘yi’ may be used uninitialized in this function [-Wmaybe-uninitialized] lee(n,m,mat,xi,yi); ^ user.cpp:68:23: warning: ‘xi’ may be used uninitialized in this function [-Wmaybe-uninitialized]