Compilare: main.cpp: In function 'int main()': main.cpp:27:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < pattern.size() ; i++ ) { ~~^~~~~~~~~~~~~~~~ main.cpp:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < pattern.size() ; i++ ) { ~~^~~~~~~~~~~~~~~~ main.cpp:49:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = pattern.size() ; i < s.size() ; i++ ) { ~~^~~~~~~~~~ main.cpp:20:7: warning: unused variable 'n' [-Wunused-variable] int n, i, counter, P, Pattern, nr1, CP, nr2, P2, P1, Pattern1, Pattern2 ; ^ main.cpp:20:22: warning: unused variable 'P' [-Wunused-variable] int n, i, counter, P, Pattern, nr1, CP, nr2, P2, P1, Pattern1, Pattern2 ; ^ main.cpp:20:25: warning: unused variable 'Pattern' [-Wunused-variable] int n, i, counter, P, Pattern, nr1, CP, nr2, P2, P1, Pattern1, Pattern2 ; ^~~~~~~ main.cpp:20:39: warning: unused variable 'CP' [-Wunused-variable] int n, i, counter, P, Pattern, nr1, CP, nr2, P2, P1, Pattern1, Pattern2 ; ^~