Compilare: user.cpp: In function ‘int KMP_algorithm(char*, char*, int*, int&)’: user.cpp:38:21: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int q = 0, ok=0; ^ user.cpp:53:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:62:25: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin >> pattern + 1 >> text + 1; ^ user.cpp:62:37: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin >> pattern + 1 >> text + 1; ^