Compilare: main.cpp: In constructor 'sccKosarajuSharir::sccKosarajuSharir()': main.cpp:13:10: warning: 'sccKosarajuSharir::created' will be initialized after [-Wreorder] bool created; ^~~~~~~ main.cpp:11:11: warning: 'unsigned int* sccKosarajuSharir::postOrd' [-Wreorder] uint *postOrd, n, act; ^~~~~~~ main.cpp:35:5: warning: when initialized here [-Wreorder] sccKosarajuSharir(): ^~~~~~~~~~~~~~~~~ main.cpp:12:11: warning: 'sccKosarajuSharir::nodeUsed' will be initialized after [-Wreorder] bool *nodeUsed; ^~~~~~~~ main.cpp:10:24: warning: 'std::vector<unsigned int>* sccKosarajuSharir::graph' [-Wreorder] std::vector<uint> *graph, *transposedGraph; ^~~~~ main.cpp:35:5: warning: when initialized here [-Wreorder] sccKosarajuSharir(): ^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:110:30: warning: format '%u' expects argument of type 'unsigned int', but argument 2 has type 'std::vector<std::vector<unsigned int> >::size_type {aka long unsigned int}' [-Wformat=] printf("%u\n", ans.size()); ^ main.cpp:113:32: warning: format '%u' expects argument of type 'unsigned int', but argument 2 has type 'std::vector<unsigned int>::size_type {aka long unsigned int}' [-Wformat=] printf("%u ", cc.size()); ^ main.cpp:98:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ctc.in","r",stdin); ^ main.cpp:99:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ctc.out","w",stdout); ^ main.cpp:100:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ^ main.cpp:105:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&x,&y); ^