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:250:21: 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] 250 | for (i64 i = 0; i < l.size(); i++) { | ~~^~~~~~~~~~ main.cpp:251:23: 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] 251 | for (i64 j = 0; j < c.size(); j++) { | ~~^~~~~~~~~~ main.cpp:266:21: 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] 266 | for (i64 i = 0; i < l.size(); i++) { | ~~^~~~~~~~~~ main.cpp:274:13: 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] 274 | if (j < c.size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp:283:23: 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] 283 | for (i64 j = 0; j < c.size(); j++) { | ~~^~~~~~~~~~ main.cpp:285:13: 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] 285 | if (i < l.size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp:301:13: 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] 301 | if (i < l.size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp:306:13: 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] 306 | if (j < c.size() - 1) { | ~~^~~~~~~~~~~~~~