Compilare: user.cpp: In function ‘int main()’: user.cpp:17:26: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[5005]’ [-Wformat=] scanf("%s ",&a[i]); ^ user.cpp:28:62: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=V[j][V[j].size()-1]+1;k<strlen(a[j]);++k) ^ user.cpp:45:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(V[j].size()-1 == numere) ^ user.cpp:50:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(V[j].size() == numere) ^ user.cpp:11:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("search.in","r",stdin); ^ user.cpp:12:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("search.out","w",stdout); ^ user.cpp:13:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ^ user.cpp:17:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s ",&a[i]); ^ user.cpp:21:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c ",&x); ^