Compilare: In file included from /usr/include/c++/6/cassert:44:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:33, from main.cpp:3: main.cpp: In function 'int main()': main.cpp:29:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] assert(s.size() == n); ~~~~~~~~~^~~~ main.cpp:61:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (before.size() >= startIndex) ~~~~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:70:76: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (s.find(currentCompleteNumber, currentPosition) != currentPosition) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~