Compilare: main.cpp: In function 'void init(vi6&, vi6&)': main.cpp:190:14: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int, std::allocator<long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 190 | while (idx < vs.size()) { | ~~~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:256:21: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int, std::allocator<long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 256 | for (i64 i = 0; i < l.size(); i++) { | ~~^~~~~~~~~~ main.cpp:257:23: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int, std::allocator<long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 257 | for (i64 j = 0; j < c.size(); j++) { | ~~^~~~~~~~~~ main.cpp:272:21: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int, std::allocator<long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 272 | for (i64 i = 0; i < l.size(); i++) { | ~~^~~~~~~~~~ main.cpp:280:13: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int, std::allocator<long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 280 | if (j < c.size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp:289:23: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int, std::allocator<long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 289 | for (i64 j = 0; j < c.size(); j++) { | ~~^~~~~~~~~~ main.cpp:291:13: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int, std::allocator<long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 291 | if (i < l.size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp:307:13: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int, std::allocator<long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 307 | if (i < l.size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp:312:13: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int, std::allocator<long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 312 | if (j < c.size() - 1) { | ~~^~~~~~~~~~~~~~