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 (c0 >= a1 && b1 >= c0) 12 for (int c1_0 = c1; c1_0 <= min(c2 - 1, d1); c1_0 += 1) 13 s0(c0, c1_0); 14 for (int c1_0 = c2; c1_0 <= d2; c1_0 += 1) { 15 if (c0 >= a1 && b1 >= c0 && c1_0 >= c1 && d1 >= c1_0) 16 s0(c0, c1_0); 17 s1(c0, c1_0); 18 } 19 if (c0 >= a1 && b1 >= c0) 20 for (int c1_0 = max(d2 + 1, c1); c1_0 <= d1; c1_0 += 1) 21 s0(c0, c1_0); 22 } 23 for (int c0 = max(max(a1, a2), b2 + 1); c0 <= b1; c0 += 1) 24 for (int c1_0 = c1; c1_0 <= d1; c1_0 += 1) 25 s0(c0, c1_0); 26} 27