1 for (int c1
= 2; c1
< 3 * M
; c1
+= 1) {
4 for (int c3
= (c1
+ 1) / 3 + 1; c3
<= min(c1
- 2, M
); c3
+= 1)
5 for (int c5
= -c3
+ (c1
+ c3
+ 1) / 2 + 1; c5
<= min(c1
- c3
, c3
); c5
+= 1)
6 S3(c1
- c3
- c5
+ 1, c3
, c5
);
7 for (int c3
= -c1
+ 2 * ((2 * c1
+ 1) / 3) + 2; c3
<= min(c1
, M
); c3
+= 2)
8 S2((c1
- c3
+ 2) / 2, c3
);