Compilare: main.cpp: In function 'int main()': main.cpp:64:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j < s1.length(); j ++) ~~^~~~~~~~~~~~~ main.cpp:70:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(kmp[j+1] > d[i].length()) ~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:74:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(kmp[j] == d[i].length()) ~~~~~~~^~~~~~~~~~~~~~~~