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) gasit=1; ^ user.cpp:26:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(x>a[mij]) s=mij+1; ^ user.cpp:38:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(a[mij]<=x) gasit=1; ^ user.cpp:49:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(a[mij]>=x) gasit=1; ^ user.cpp:10:17: warning: unused variable ‘nr’ [-Wunused-variable] int n,m,i,j,nr,s,d,gasit,mij,tip,x; ^ user.cpp:29:25: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(gasit==1) {for(j=mij; j<=n; j++) if(a[j]>a[mij]) {fout<<j-1<<'\n'; break;}} ^