Compilare: main.cpp: In function 'void zAlgorithmSt()': main.cpp:24:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < sir.size(); i++) ~~^~~~~~~~~~~~ main.cpp:31:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i + stZ[i] - 1 + 1 < sir.size() && sir[i + stZ[i]] == sir[stZ[i]]) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~ main.cpp: In function 'void zAlgorithmDr()': main.cpp:49:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < sir.size(); i++) ~~^~~~~~~~~~~~ main.cpp:56:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i + drZ[i] - 1 + 1 < sir.size() && sir[i + drZ[i]] == sir[drZ[i]]) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:98:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i <= b.size() / 2; i++) ~~^~~~~~~~~~~~~~~