Compilare: main.cpp: In function 'int bfs(int)': main.cpp:32:26: warning: no return statement in function returning non-void [-Wreturn-type] dp[nod][0]=dp[nod][1]=0;}} ^ main.cpp: In function 'int main()': main.cpp:34:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("network.in","r",stdin); ^ main.cpp:35:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("network.out","w",stdout); ^ main.cpp:38:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ main.cpp:40:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%lf%lf",&x,&y,&a,&b); ^