1{ 2 for (int c0 = a1; c0 <= min(a2 - 1, b1); c0 += 1) 3 for (int c1_0 = c1; c1_0 <= d1; c1_0 += 1) 4 s0(c0, c1_0); 5 if (c2 >= d2 + 1) { 6 for (int c0 = max(a1, a2); c0 <= min(b2, b1); c0 += 1) 7 for (int c1_0 = c1; c1_0 <= d1; c1_0 += 1) 8 s0(c0, c1_0); 9 } else 10 for (int c0 = a2; c0 <= b2; c0 += 1) 11 if (a1 >= c0 + 1) { 12 for (int c1_0 = c2; c1_0 <= d2; c1_0 += 1) 13 s1(c0, c1_0); 14 } else if (c0 >= b1 + 1) { 15 for (int c1_0 = c2; c1_0 <= d2; c1_0 += 1) 16 s1(c0, c1_0); 17 } else { 18 for (int c1_0 = c1; c1_0 <= min(c2 - 1, d1); c1_0 += 1) 19 s0(c0, c1_0); 20 for (int c1_0 = c2; c1_0 <= min(d2, c1 - 1); c1_0 += 1) 21 s1(c0, c1_0); 22 for (int c1_0 = max(c2, c1); c1_0 <= min(d1, d2); c1_0 += 1) { 23 s0(c0, c1_0); 24 s1(c0, c1_0); 25 } 26 for (int c1_0 = max(d2 + 1, c1); c1_0 <= d1; c1_0 += 1) 27 s0(c0, c1_0); 28 for (int c1_0 = max(max(d1 + 1, c1), c2); c1_0 <= d2; c1_0 += 1) 29 s1(c0, c1_0); 30 } 31 for (int c0 = max(max(a1, a2), b2 + 1); c0 <= b1; c0 += 1) 32 for (int c1_0 = c1; c1_0 <= d1; c1_0 += 1) 33 s0(c0, c1_0); 34} 35