longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:4:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
4 | #define f0r(i,n) for(int i = 0;i<n;i++)
......
29 | f0r(i, c1.size())ans.pb(c1[i]);
| ~~~~~~~~~~~~
longesttrip.cpp:29:3: note: in expansion of macro 'f0r'
29 | f0r(i, c1.size())ans.pb(c1[i]);
| ^~~
longesttrip.cpp:4:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
4 | #define f0r(i,n) for(int i = 0;i<n;i++)
......
32 | f0r(i,c1.size())ans.pb(c1[i]);
| ~~~~~~~~~~~
longesttrip.cpp:32:3: note: in expansion of macro 'f0r'
32 | f0r(i,c1.size())ans.pb(c1[i]);
| ^~~
longesttrip.cpp:4:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
4 | #define f0r(i,n) for(int i = 0;i<n;i++)
......
33 | f0r(i, c2.size())ans.pb(c2[i]);
| ~~~~~~~~~~~~
longesttrip.cpp:33:3: note: in expansion of macro 'f0r'
33 | f0r(i, c2.size())ans.pb(c2[i]);
| ^~~