Compilare: main.cpp: In function 'void djikstra(int)': main.cpp:29:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0 ; j<v[poz].size() ;j ++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:64:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0 ; j < fort.size(); j++) { ~~^~~~~~~~~~~~~ main.cpp:40:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("catun.in","r",stdin); ^ main.cpp:41:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("catun.out","w",stdout); ^ main.cpp:43:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&n,&m,&k); ^ main.cpp:47:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^ main.cpp:53:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&x,&y,&d); ^