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 < v.size()) { | ~~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:249:21: 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] 249 | for (i64 i = 0; i < l.size(); i++) { | ~~^~~~~~~~~~ main.cpp:250:23: 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] 250 | for (i64 j = 0; j < c.size(); j++) { | ~~^~~~~~~~~~ main.cpp:265:21: 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] 265 | for (i64 i = 0; i < l.size(); i++) { | ~~^~~~~~~~~~ main.cpp:273:13: 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] 273 | if (j < c.size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp:282:23: 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] 282 | for (i64 j = 0; j < c.size(); j++) { | ~~^~~~~~~~~~ main.cpp:284:13: 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] 284 | if (i < l.size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp:300:13: 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] 300 | if (i < l.size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp:305:13: 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] 305 | if (j < c.size() - 1) { | ~~^~~~~~~~~~~~~~