Compilare: main.cpp: In function 'int main()': main.cpp:15:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int z=0; z<b.length()-a.length(); z++){ ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:17:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=z; i<=z+a.length(); i++){ ~^~~~~~~~~~~~~~ main.cpp:18:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(b[i]==a[j]){if(j+1==a.length()){n++; c.pb(z);break;}j++;} ~~~^~~~~~~~~~~~ main.cpp:27:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<c.size(); i++){ ~^~~~~~~~~