Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:22:35: error: ‘strlen’ was not declared in this scope int m = (int) strlen( axl ), len = 0; ^ user.cpp:31:21: error: ‘len’ was not declared in this scope if( len + lst.size() + str.length() <= n ) { ^ user.cpp:19:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( in, "%d\n", &n ); ^