Compilare: main.cpp: In function 'void citire()': main.cpp:75:16: warning: division by zero [-Wdiv-by-zero] n/=0; ^ main.cpp: In function 'void dfs(long long int)': main.cpp:85:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(/*loange loange*/ long long i=0;i<v[poz].size();++i) ~^~~~~~~~~~~~~~ main.cpp: In function 'void euler(long long int)': main.cpp:116:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(/*loange loange*/ long long i=0;i<v[poz].size();++i) ~^~~~~~~~~~~~~~ main.cpp: In function 'char getch()': main.cpp:25:32: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,dim,stdin); ^ main.cpp: In function 'int main()': main.cpp:133:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ciclueuler.in","r",stdin); ^ main.cpp:134:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ciclueuler.out","w",stdout); ^