Compilare: main.cpp: In function 'int read()': main.cpp:16:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int Search_1(int, int)': main.cpp:19:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[x] == val) { ~~~~~^~~~~~ main.cpp:23:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] } else if(x + y == x && v[x]!=val) { ~~~~^~~~~ main.cpp:26:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(val>v[x]) ~~~^~~~~ main.cpp:28:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (val<v[x]) ~~~^~~~~ main.cpp: In function 'int Search_2(int, int)': main.cpp:34:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[x] <= val) { ~~~~~^~~~~~ main.cpp:39:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(val>v[x]) ~~~^~~~~ main.cpp:41:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (val<v[x]) ~~~^~~~~ main.cpp: In function 'int Search_3(int, int)': main.cpp:47:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[x] >= val) { ~~~~~^~~~~~ main.cpp:52:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(val>v[x]) ~~~^~~~~ main.cpp:54:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (val<v[x]) ~~~^~~~~ main.cpp: In function 'int Search_1(int, int)': main.cpp:31:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int Search_2(int, int)': main.cpp:44:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int Search_3(int, int)': main.cpp:57:1: warning: control reaches end of non-void function [-Wreturn-type] } ^