Compilare: user.cpp: In function ‘void insert(char*, std::vector<int>&)’: user.cpp:34:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(w);++i) ^ user.cpp: In function ‘int main()’: user.cpp:60:23: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[2005]’ [-Wformat=] scanf("%s", &w); ^ user.cpp:83:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[x].size()<lgmin) lgmin=v[x].size(); ^ user.cpp:96:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<cuv.size();++k) ^ user.cpp:50:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ratina.in","r",stdin); ^ user.cpp:51:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ratina.out","w",stdout); ^ user.cpp:55:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:56:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &m); ^ user.cpp:60:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &w); ^ user.cpp:72:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &nrq); ^ user.cpp:80:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^