Compilare: user.cpp: In function ‘void dijkstra()’: user.cpp:44:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i < v[nod].size();i++){ ^ user.cpp:25:34: 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,&nods); ^ user.cpp:27:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&rez[i]); ^ user.cpp:29:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d",&nod1,&nod2,&l); ^ user.cpp: In function ‘int main()’: user.cpp:73:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&t); ^