Compilare: main.cpp: In function 'void pseudoDijkstra(int)': main.cpp:42:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<k.size(); j++) ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:60:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("banuti.in","r",stdin); ^ main.cpp:61:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("banuti.out","w",stdout); ^ main.cpp:64:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&n); ^ main.cpp:68:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&v[i]); ^