Compilare: user.c: In function ‘main’: user.c:150:5: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long int’ [-Wformat=] fprintf(f,"%d",sol); ^ user.c: In function ‘citire’: user.c:48:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%li %hi %hi\n",&N,&A,&B); ^ user.c:52:14: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(s,750000,f); ^