Compilare: user.cpp: In function ‘int cautarebinara(int)’: user.cpp:19:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( x == a [md] ) ^ user.cpp:21:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( a[md] <= x ) ^ user.cpp:23:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( a[md] > x ) ^ user.cpp:12:9: warning: unused variable ‘i’ [-Wunused-variable] int i,sol,l,r,md; ^ user.cpp: In function ‘int cautarebinara1(int)’: user.cpp:40:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( x >= a [md] ) ^ user.cpp:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( a[md] <= x ) ^ user.cpp:44:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( a[md] > x ) ^ user.cpp:32:9: warning: unused variable ‘i’ [-Wunused-variable] int i,sol,l,r,md; ^ user.cpp: In function ‘int cautarebinara2(int)’: user.cpp:61:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( x >= a [md] ) ^ user.cpp:63:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( a[md] <= x ) ^ user.cpp:65:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( a[md] > x ) ^ user.cpp:53:9: warning: unused variable ‘i’ [-Wunused-variable] int i,sol,l,r,md; ^ user.cpp: In function ‘int main()’: user.cpp:76:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++) ^ user.cpp:79:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=m;i++) ^