Compilare: user.cpp: In function ‘int main()’: user.cpp:14:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=strlen(s2)-strlen(s1);i++) ^ user.cpp:6:12: warning: unused variable ‘j’ [-Wunused-variable] int i=0,j=0,k=0,find[MAXN],N; ^ user.cpp:7:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in","r",stdin); ^ user.cpp:8:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out","w",stdout); ^ user.cpp:9:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",buffer); ^ user.cpp:11:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",buffer); ^