Borderou de evaluare (job #613373)

Compilare: main.cpp: In function 'int32_t main()': main.cpp:70:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 70 | freopen("arbore.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:71:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 71 | freopen("arbore.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:52:6: warning: 'head' may be used uninitialized in this function [-Wmaybe-uninitialized] 52 | dfs1(head); | ~~~~^~~~~~