perm.cpp: In function 'std::vector<int> construct_permutation(ll)':
perm.cpp:26:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
26 | for (int i = 1; i < dig.size(); i ++)
| ~~^~~~~~~~~~~~
perm.cpp:40:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
40 | for (int j = 0; j < v.size(); j ++)
| ~~^~~~~~~~~~
perm.cpp:52:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
52 | for (int j = 0; j < v.size(); j ++)
| ~~^~~~~~~~~~
perm.cpp:64:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
64 | for (int j = 0; j < v.size(); j ++)
| ~~^~~~~~~~~~
perm.cpp:80:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
80 | for (int j = 0; j < v.size(); j ++)
| ~~^~~~~~~~~~
perm.cpp:92:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
92 | for (int j = 0; j < v.size(); j ++)
| ~~^~~~~~~~~~