Compilare: user.cpp: In function ‘void init()’: user.cpp:31: warning: format ‘%s’ expects type ‘char*’, but argument 2 has type ‘char (*)[131072]’ user.cpp:21: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:22: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void read()’: user.cpp:101: warning: format ‘%s’ expects type ‘char*’, but argument 2 has type ‘char (*)[131072]’ user.cpp:91: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:92: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:97: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:101: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:108: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result In file included from /usr/include/string.h:640, from /usr/include/c++/4.4/cstring:45, from user.cpp:2: In function ‘void* memset(void*, int, size_t)’, inlined from ‘void init()’ at user.cpp:24: /usr/include/bits/string3.h:83: warning: call to ‘__warn_memset_zero_len’ declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters In function ‘void* memset(void*, int, size_t)’, inlined from ‘void init()’ at user.cpp:28: /usr/include/bits/string3.h:83: warning: call to ‘__warn_memset_zero_len’ declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters In function ‘void* memset(void*, int, size_t)’, inlined from ‘void read()’ at user.cpp:93: /usr/include/bits/string3.h:83: warning: call to ‘__warn_memset_zero_len’ declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters In function ‘void* memset(void*, int, size_t)’, inlined from ‘void read()’ at user.cpp:98: /usr/include/bits/string3.h:83: warning: call to ‘__warn_memset_zero_len’ declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters /tmp/ccHK2tCV.o: In function `init()': user.cpp:(.text+0x1f8): warning: memset used with constant zero length parameter; this could be due to transposed parameters