1for (int c1 = 0; c1 <= min(1023, M + 1024); c1 += 1) { 2 S1(c1); 3 S3(c1); 4} 5for (int c1 = max(0, M + 1025); c1 <= 1023; c1 += 1) { 6 S2(c1); 7 S3(c1); 8} 9for (int c0 = 0; c0 <= min(1023, M + 1024); c0 += 1) { 10 S4(c0); 11 S6(c0); 12} 13for (int c0 = max(0, M + 1025); c0 <= 1023; c0 += 1) { 14 S5(c0); 15 S6(c0); 16} 17