Compilare: main.cpp: In function 'void init(int, int)': main.cpp:15:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(int i=1;i<=s[sid].size();i++) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:41:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int le=1;le+sizb-1<s[0].size();le++) | ~~~~~~~~~^~~~~~~~~~~~ main.cpp:60:16: warning: 'mij' may be used uninitialized [-Wmaybe-uninitialized] 60 | rez[mij]++; | ~~~~~~~^ main.cpp:45:19: note: 'mij' was declared here 45 | int st,dr,mij; | ^~~