Borderou de evaluare (job #749884)

Compilare: main.cpp: In function 'std::pair<int, int> bfs()': main.cpp:48:10: warning: unused variable 'ok' [-Wunused-variable] 48 | bool ok=true; | ^~ main.cpp:66:1: warning: control reaches end of non-void function [-Wreturn-type] 66 | } | ^ main.cpp: In function 'int main()': main.cpp:82:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 82 | freopen("goe.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:83:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 83 | freopen("goe.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~