Borderou de evaluare (job #613369)

Compilare: main.cpp: In function 'int32_t main()': main.cpp:68:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 68 | freopen("arbore.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:69:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 69 | freopen("arbore.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:20:12: warning: 'head' may be used uninitialized in this function [-Wmaybe-uninitialized] 20 | if(arb[cur].size()==0){ | ^ main.cpp:39:6: note: 'head' was declared here 39 | int head; | ^~~~