int main(void) { int r = 12345, a = 997, c = 1, m = 65536; double x, sum = 0.0; int i; for (i = 0; i < 100; i++) { r = r*a + c; r = r % m; x = (double)r/m; sum += x; printf("%.4f ", x); if (i % 10 == 9) { putchar('\n'); } } printf("\nmean=%.4f\n", sum / 100.0); return 0; }