Compilare: main.cpp: In function 'int smallest_anagram(int, int)': main.cpp:63:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for ( i = 0; i < s.size(); i ++ ) { | ~~^~~~~~~~~~ main.cpp:36:12: warning: unused variable 'j' [-Wunused-variable] 36 | int i, j, last = 0; | ^ main.cpp: In function 'int main()': main.cpp:93:13: warning: unused variable 'previous' [-Wunused-variable] 93 | int previous = 0; | ^~~~~~~~