Compilare: main.cpp:58:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main() { ^ main.cpp: In function 'int main()': main.cpp:86:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (pos + msk < ceas.size()) { ~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:98:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (pos + msk < trig.size()) { ~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:113:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (pos + msk < ceas.size()) { ~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:124:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (pos + msk < trig.size()) { ~~~~~~~~~~^~~~~~~~~~~~~