Compilare: main.cpp: In function 'int main()': main.cpp:24:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < pattern.size() ; i++ ) { ~~^~~~~~~~~~~~~~~~ main.cpp:35:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < pattern.size() ; i++ ) ~~^~~~~~~~~~~~~~~~ main.cpp:40:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = pattern.size() ; i < s.size() ; i++ ) { ~~^~~~~~~~~~ main.cpp:19:7: warning: unused variable 'n' [-Wunused-variable] int n, i, counter, P, Pattern, nr, CP ; ^ main.cpp:19:13: warning: unused variable 'counter' [-Wunused-variable] int n, i, counter, P, Pattern, nr, CP ; ^~~~~~~ main.cpp:19:38: warning: unused variable 'CP' [-Wunused-variable] int n, i, counter, P, Pattern, nr, CP ; ^~