1for (int c0 = 1; c0 <= M; c0 += 1) {2 S1(c0, 1);3 for (int c1 = 2; c1 <= c0; c1 += 1) {4 S1(c0, c1);5 S2(c0, c1);6 }7 for (int c1 = c0 + 1; c1 <= M; c1 += 1)8 S1(c0, c1);9}10
