Compilare: main.c: In function 'init': main.c:107:56: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 2 has type 'long unsigned int' [-Wformat=] printf("Failed to allocate memory for tree buffer[%llu bytes]\n", sizeof(uint) * st->length); ^ main.c: In function 'main': main.c:66:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%u%*c%u%*c", &n, &m); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:70:4: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%u%*c", &data[i]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:79:4: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%u%*c%u%*c%u%*c", &op, &a, &b); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c: In function 'query': main.c:149:1: warning: control reaches end of non-void function [-Wreturn-type] } ^