Compilare: main.cpp: In function 'int main()': main.cpp:9:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=h.length()-1;i++) ~^~~~~~~~~~~~~~ main.cpp:11:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ((h[i]=='.')&&(i<h.length()-2)) ~^~~~~~~~~~~~~ main.cpp:13:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=i+1;j<=h.length()-1;j++) ~^~~~~~~~~~~~~~ main.cpp:14:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=j+1;k<=h.length()-1;k++) ~^~~~~~~~~~~~~~