shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:7:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | for(int i=0;i<s.size();i++){
| ~^~~~~~~~~
shoes.cpp:12:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
12 | for(int i=0;i<POS.size();i++){
| ~^~~~~~~~~~~
shoes.cpp:13:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
13 | for(int l=i*2;l<s.size();l++){
| ~^~~~~~~~~
shoes.cpp:21:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
21 | for(int l=i*2+1;l<s.size();l++){
| ~^~~~~~~~~