Compilare: user.cpp:30:22: warning: multi-character character constant [-Wmultichar] else fout<<'-1'<<'\n'; ^ user.cpp: In function ‘int main()’: user.cpp:25:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(a[mij]<=x) s=mij+1; ^ user.cpp:28:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(a[mij]>x) mij--; ^ user.cpp:29:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(a[mij]==x) fout<<mij<<'\n'; ^ user.cpp:38:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(a[mij]<=x) s=mij+1; ^ user.cpp:42:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(a[mij]>x) fout<<mij-1<<'\n'; ^ user.cpp:51:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(a[mij]<x) s=mij+1; ^ user.cpp:55:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(a[mij]<x) fout<<mij+1<<'\n'; ^ user.cpp:10:15: warning: unused variable ‘j’ [-Wunused-variable] int n,m,i,j,nr,s,d,gasit,mij,tip,x; ^ user.cpp:10:17: warning: unused variable ‘nr’ [-Wunused-variable] int n,m,i,j,nr,s,d,gasit,mij,tip,x; ^ user.cpp:10:24: warning: unused variable ‘gasit’ [-Wunused-variable] int n,m,i,j,nr,s,d,gasit,mij,tip,x; ^ user.cpp:10:30: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,m,i,j,nr,s,d,gasit,mij,tip,x; ^