Compilare: main.cpp: In function 'bool incearca(int, char)': main.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=poz+1;i<curr.size();i++) ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:41:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<=curr.size();i++) ~^~~~~~~~~~~~~ main.cpp:43:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<=curr.size();i++) ~^~~~~~~~~~~~~ main.cpp:49:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<=curr.size();i++) ~^~~~~~~~~~~~~ main.cpp:53:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i<curr.size())nxt+=curr[i]; ~^~~~~~~~~~~~ main.cpp: In function 'bool incearca(int, char)': main.cpp:34:1: warning: control reaches end of non-void function [-Wreturn-type] } ^