#include #define NPERLINE 10 main() { short line[2][NPERLINE]; register int n, i, j; register int curline = 0; int currently_printing = 1; for(i = 0; (n = fread(line[curline], sizeof(short), NPERLINE, stdin)) > 0; i += n, curline = 1-curline) { if(i != 0 && n == NPERLINE && sameline(line[0], line[1])) { if(currently_printing) { printf("*\n"); currently_printing = 0; } continue; } currently_printing = 1; printf("%7d ", i); for(j = 0; j < n; j++) printf("%6d ", line[curline][j]); printf("\n"); } printf("%4d\n", i); } sameline(l1, l2) register short *l1, *l2; { register n = NPERLINE; while(--n >= 0) if(*l1++ != *l2++) return 0; return 1; }