Eroare de compilare: user.cpp: In function ‘void toString(long int)’: user.cpp:39:12: error: ‘rez’ was not declared in this scope strcpy(rez,""); ^ user.cpp: In function ‘int main()’: user.cpp:56:39: warning: format ‘%s’ expects argument of type ‘char*’, but argument 4 has type ‘char (*)[12]’ [-Wformat=] scanf("%d %d %s ",&cr,&n,&criteriu); ^ user.cpp:61:31: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[6]’ [-Wformat=] scanf("%s",&cuv[i].chr); ^ user.cpp:53:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.in","r",stdin); ^ user.cpp:54:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.out","w",stdout); ^ user.cpp:56:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %s ",&cr,&n,&criteriu); ^ user.cpp:61:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&cuv[i].chr); ^