Compilare: main.cpp: In function 'int main()': main.cpp:66:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < all.size(); i ++) ~~^~~~~~~~~~~~ main.cpp:70:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j < st.length(); j ++) ~~^~~~~~~~~~~~~ main.cpp:76:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(kmp[j+1] > all[i].length()) ~~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:80:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(kmp[j] == all[i].length()) ~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:83:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < all.size(); i ++) ~~^~~~~~~~~~~~ main.cpp:86:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < v[i].size(); j ++) ~~^~~~~~~~~~~~~