Compilare: user.cpp: In function ‘int main()’: user.cpp:97:26: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(fout,"%d",sum); ^ user.cpp:72:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d",&n,&x,&l); ^ user.cpp:76:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d",&v[i].dist,&v[i].lana); ^ user.cpp: In function ‘void hrem(int)’: user.cpp:39:13: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false [-Wstrict-overflow] if(heap[nod*2]>heap[nod*2]+1) ^