Compilare: user.cpp: In function ‘void dijkstra(int)’: user.cpp:58:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[node].size();i++) ^ user.cpp: In function ‘void initNode(int)’: user.cpp:78:15: warning: suggest parentheses around assignment used as truth value [-Wparentheses] vis[i]=dFather[i]=false; ^ user.cpp: In function ‘void scan()’: user.cpp:34:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d",&n,&m,&k); ^ user.cpp:36:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&a); ^ user.cpp:40:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d",&a,&b,&c); ^