Compilare: user.cpp: In function ‘int decidtip()’: user.cpp:25:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0;i<s.size();i++ ) ^ user.cpp: In function ‘void findab()’: user.cpp:31:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<s.size();i++){ ^ user.cpp:34:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<s.size();i++){ ^ user.cpp:36:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<s.size();i++){ ^ user.cpp:39:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<s.size();i++){ ^ user.cpp:41:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<s.size();i++){ ^ user.cpp: In function ‘int findp()’: user.cpp:54:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = lasti+1;i<s.size();i++) dd=10*dd+s[i]-'0';} ^ user.cpp:54:60: warning: no return statement in function returning non-void [-Wreturn-type] for (int i = lasti+1;i<s.size();i++) dd=10*dd+s[i]-'0';} ^ user.cpp: In function ‘int main()’: user.cpp:57:18: warning: unused variable ‘tipp’ [-Wunused-variable] int n, T, i, tipp,pp; ^ user.cpp:59:9: warning: unused variable ‘x’ [-Wunused-variable] int x, y,k; ^ user.cpp:59:12: warning: unused variable ‘y’ [-Wunused-variable] int x, y,k; ^ user.cpp:74:19: warning: ‘solutie’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (a[(int)solutie+10000]&&is_int(solutie)&&ok1) ++n1;} ^