Compilare: user.cpp: In function ‘void dijkstra(int)’: user.cpp:59:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<L[pmin].size(); ++j) ^ user.cpp: In function ‘void initializare(int)’: user.cpp:82:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<L[start].size(); ++i) ^ user.cpp: In function ‘void citire()’: user.cpp:37:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d\n", &n, &m); ^ user.cpp:41:58: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d\n", &a, &aux.vf, &aux.cost); ^