Compilare: user.cpp: In function ‘void kruskal(muchie*, long int*, long int, long int)’: user.cpp:55:35: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long int’ [-Wformat=] fprintf(fout, "%d\n", newNrMuchii); ^ user.cpp:58:60: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long int’ [-Wformat=] fprintf(fout, "%d %d\n", newArb[i].varf2, newArb[i].varf1); ^ user.cpp:58:60: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has type ‘long int’ [-Wformat=] user.cpp:32:18: warning: unused variable ‘k’ [-Wunused-variable] int set1, set2, k; ^ user.cpp: In function ‘int main()’: user.cpp:77:103: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long int*’ [-Wformat=] while ((fscanf(fp, "%d%d%d", &muchii[nrMuchii].varf1, &muchii[nrMuchii].varf2, &muchii[nrMuchii].cost)) != EOF) ^ user.cpp:77:103: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘long int*’ [-Wformat=] user.cpp:77:103: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘long int*’ [-Wformat=] user.cpp:74:7: warning: unused variable ‘i’ [-Wunused-variable] long i, nrNoduri = 0; ^ user.cpp:76:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fp, "%d%d", &x, &y); ^