Compilare: user.cpp: In function ‘int main()’: user.cpp:53:5: warning: ‘char* gets(char*)’ is deprecated [-Wdeprecated-declarations] gets(patt), m = strlen(patt); ^ In file included from /usr/include/c++/5/cstdio:42:0, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/stdc++.h:46, from user.cpp:1: /usr/include/stdio.h:638:14: note: declared here extern char *gets (char *__s) __wur __attribute_deprecated__; ^ user.cpp:53:5: warning: ‘char* gets(char*)’ is deprecated [-Wdeprecated-declarations] gets(patt), m = strlen(patt); ^ In file included from /usr/include/c++/5/cstdio:42:0, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/stdc++.h:46, from user.cpp:1: /usr/include/stdio.h:638:14: note: declared here extern char *gets (char *__s) __wur __attribute_deprecated__; ^ user.cpp:53:14: warning: ‘char* gets(char*)’ is deprecated [-Wdeprecated-declarations] gets(patt), m = strlen(patt); ^ In file included from /usr/include/c++/5/cstdio:42:0, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/stdc++.h:46, from user.cpp:1: /usr/include/stdio.h:638:14: note: declared here extern char *gets (char *__s) __wur __attribute_deprecated__; ^ user.cpp:54:5: warning: ‘char* gets(char*)’ is deprecated [-Wdeprecated-declarations] gets(txt), n = strlen(txt); ^ In file included from /usr/include/c++/5/cstdio:42:0, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/stdc++.h:46, from user.cpp:1: /usr/include/stdio.h:638:14: note: declared here extern char *gets (char *__s) __wur __attribute_deprecated__; ^ user.cpp:54:5: warning: ‘char* gets(char*)’ is deprecated [-Wdeprecated-declarations] gets(txt), n = strlen(txt); ^ In file included from /usr/include/c++/5/cstdio:42:0, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/stdc++.h:46, from user.cpp:1: /usr/include/stdio.h:638:14: note: declared here extern char *gets (char *__s) __wur __attribute_deprecated__; ^ user.cpp:54:13: warning: ‘char* gets(char*)’ is deprecated [-Wdeprecated-declarations] gets(txt), n = strlen(txt); ^ In file included from /usr/include/c++/5/cstdio:42:0,