Compilare: user.cpp: In function ‘void Lee(int, int)’: user.cpp:18:21: warning: unused variable ‘lv’ [-Wunused-variable] int p,u,la,ca,i,lv,cv; ^ user.cpp:18:24: warning: unused variable ‘cv’ [-Wunused-variable] int p,u,la,ca,i,lv,cv; ^ user.cpp: In function ‘int main()’: user.cpp:67:64: warning: large integer implicitly truncated to unsigned type [-Woverflow] for(i=1;i<=n;++i) for(j=1;j<=m;++j) {f>>mat[i][j]; Nr[i][j]=9999999;} ^