#include #include int main (void) { int l, r; int ret; short unsigned int l_in, r_in, l_last, r_last; short int l_diff, r_diff, l_diff_last, r_diff_last, l_a, r_a; l = r = 0; l_last = r_last = 0; l_diff_last = r_diff_last = 0; do { ret = scanf ("%hd %hd\n", &l_in, &r_in); if (ret == EOF) break; if (ret != 2) { fprintf (stderr, "parse error\n"); return 1; } l_diff = l_in - l_last; r_diff = r_in - r_last; l += l_diff; r += r_diff; l_last = l_in; r_last = r_in; l_a = l_diff - l_diff_last; r_a = r_diff - r_diff_last; l_diff_last = l_diff; r_diff_last = r_diff; printf ("%d %d %d %d %d %d\n", l, r, l_diff, r_diff, l_a, r_a); } while (1); if (ferror (stdin)) { perror ("stdin"); return 1; } return 0; }