Compilare: main.cpp: In function 'int main()': main.cpp:18:26: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[100001]' [-Wformat=] fscanf (fin, "%s", &str); ^ main.cpp:17:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &n, &k); ^ main.cpp:18:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%s", &str); ^