Xoractive.cpp: In function 'std::vector<int> getxor(std::vector<int>)':
Xoractive.cpp:11:35: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
11 | #define FOR(i, x, y) for(ll i=x; i<y; i++)
......
21 | FOR(i,0,ans.size()){
| ~~~~~~~~~~~~~~
Xoractive.cpp:21:2: note: in expansion of macro 'FOR'
21 | FOR(i,0,ans.size()){
| ^~~
Xoractive.cpp: In function 'std::vector<int> getnum(std::vector<int>)':
Xoractive.cpp:11:35: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
11 | #define FOR(i, x, y) for(ll i=x; i<y; i++)
......
35 | FOR(i,0,sus2.size()) if (sus2[i] == sus[sus.size()-1]){sus.pop_back(); sus2[i] = -1;break;}
| ~~~~~~~~~~~~~~~
Xoractive.cpp:35:3: note: in expansion of macro 'FOR'
35 | FOR(i,0,sus2.size()) if (sus2[i] == sus[sus.size()-1]){sus.pop_back(); sus2[i] = -1;break;}
| ^~~
Xoractive.cpp: In function 'int intersect(std::vector<std::vector<int> >)':
Xoractive.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type]
54 | }
| ^