Compilare: main.cpp: In function 'int main()': main.cpp:45:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1; i<=S[cnt].size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:64:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=L; j<S[cnt].size(); j++) ~^~~~~~~~~~~~~~ main.cpp:92:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1; i<=T[cnt].size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:109:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=L; j<T[cnt].size(); j++) ~^~~~~~~~~~~~~~