Compilare: main.c: In function 'main': main.c:9:20: warning: unknown conversion type character 0x20 in format [-Wformat=] fscanf(fin, "%l %d ", &k, &p); ^ main.c:9:22: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'long int *' [-Wformat=] fscanf(fin, "%l %d ", &k, &p); ^ main.c:9:17: warning: too many arguments for format [-Wformat-extra-args] fscanf(fin, "%l %d ", &k, &p); ^~~~~~~~ main.c:13:20: warning: unknown conversion type character 0x20 in format [-Wformat=] fscanf(fin, "%l ", &x); ^ main.c:13:17: warning: too many arguments for format [-Wformat-extra-args] fscanf(fin, "%l ", &x); ^~~~~ main.c:17:24: warning: unknown conversion type character 0x20 in format [-Wformat=] fscanf(fin, "%l ", &y); ^ main.c:17:21: warning: too many arguments for format [-Wformat-extra-args] fscanf(fin, "%l ", &y); ^~~~~ main.c:34:21: warning: conversion lacks type at end of format [-Wformat=] fprintf(fout, "%l", sum); ^ main.c:34:19: warning: too many arguments for format [-Wformat-extra-args] fprintf(fout, "%l", sum); ^~~~ main.c:9:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%l %d ", &k, &p); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:13:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%l ", &x); ^~~~~~~~~~~~~~~~~~~~~~ main.c:17:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%l ", &y); ^~~~~~~~~~~~~~~~~~~~~~