Compilare: user.cpp: In function ‘int bsearch0(int, int, int)’: user.cpp:30:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[right] == value) ^ user.cpp:35:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(value >= v[(right+left) / 2]) ^ user.cpp:41:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(value < v[(right+left) / 2]) ^ user.cpp:48:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(value == v[right]) ^ user.cpp:50:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(value == v[left]) ^ user.cpp: In function ‘int bsearch1(int, int, int)’: user.cpp:66:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(value >= v[(right+left) / 2]) ^ user.cpp:72:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(value < v[(right+left) / 2]) ^ user.cpp:79:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[right] <= value) ^ user.cpp: In function ‘int bsearch2(int, int, int)’: user.cpp:98:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(value > v[(right+left) / 2]) ^ user.cpp:104:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(value <= v[(right+left) / 2]) ^ user.cpp:111:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[left] >= value) ^ user.cpp: In function ‘int bsearch0(int, int, int)’: user.cpp:55:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int bsearch1(int, int, int)’: user.cpp:87:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int bsearch2(int, int, int)’: user.cpp:118:1: warning: control reaches end of non-void function [-Wreturn-type] } ^