Compilare: main.cpp: In function 'void dijkstra(int, int, int)': main.cpp:35:9: warning: unused variable 'fl2' [-Wunused-variable] int fl2=0; ^~~ main.cpp: In function 'int main()': main.cpp:95:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("lanterna.in","r",stdin); ^ main.cpp:96:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("lanterna.out","w",stdout); ^ main.cpp:97:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ main.cpp:99:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&baze[i]); ^ main.cpp:100:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ main.cpp:103:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&x,&y,&t,&e); ^