Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:49:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<vecini[k].size(); ++i){ ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:27:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ main.cpp:29:51: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &x, &y, &weigthEdge); ^