Compilare: user.cpp: In function ‘int co(int, int)’: user.cpp:31:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=v[j].size();i++) ^ user.cpp: In function ‘void dijkstra(int)’: user.cpp:42:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nodul].size();i++) ^ user.cpp:52:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<v[nodcur].size();k++) ^ user.cpp:38:13: warning: unused variable ‘coo’ [-Wunused-variable] int i,j,coo,maxi,k,nodcur; ^ user.cpp: In function ‘void citire()’: user.cpp:18:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ user.cpp:21:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&x,&y,&z); ^ user.cpp: In function ‘void dijkstra(int)’: user.cpp:51:25: warning: ‘nodcur’ may be used uninitialized in this function [-Wmaybe-uninitialized] viz[nodcur]=1; ^