Borderou de evaluare (job #621962)

Compilare: main.cpp: In function 'void bfs()': main.cpp:31:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 31 | for(i = 0;i < g[x].size();i++){ | ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:42:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 42 | freopen("capitala.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:43:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 43 | freopen("capitala.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:45:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 45 | scanf("%d", &n); | ~~~~~^~~~~~~~~~ main.cpp:47:12: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 47 | scanf("%d%d", &a, &b); | ~~~~~^~~~~~~~~~~~~~~~