Compilare: main.cpp: In function 'int main()': main.cpp:10:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::size_t' {aka 'long unsigned int'} [-Wsign-compare] 10 | for(int ti = 0 ; ti < t; ++ti){ | ~~~^~~ main.cpp:13:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::size_t' {aka 'long unsigned int'} [-Wsign-compare] 13 | for(int i = 0; i < n; ++i){ | ~~^~~