HDU 1455 -- Sticks (stick)
This is similar to HDU1518.
Attach test data ~~
64
40 40 30 35 26 15 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40
40 40 43 42 41 10 4 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40
40 25 39 46 40 10 40 40 37 18 17 16 15 40 40 40 40 40 40 40
46
40 37 32 10 47 4 42 56 61 23 36 27 16 16 26 19 14 29 31 58 51 32 63 28 11 25 12 15 39 42 46 11 19 53 17 39 21 45 44 8 23 51 55
58
57 6 44 4 16 35 54 9 32 23 43 55 46 41 8 41 44 31 59 58 59 29 53 30 3 39 17 32 45 8 40 34 18 20 11 32 33 14 41 31 25 4 42 54 9 29 37 47 29 34 20 47 56 61 5
26
3 64 18 49 4 40 18 61 50 36 17 8 17 62 11 24 8 36 59 34 26 28 7 37 26
12
1 1 2 2 2 3 3 3 3 3 4
27
15 3 2 4 11 1 8 8 8 15 3 2 4 11 1 8 8 15 3 2 4 11 1 8 8
9
15 4 3 1 2 8 11 8
45
15 3 2 11 4 1 8 8 8 15 3 2 11 4 8 8 8 15 3 2 11 4 1 8 8 8 15 3 2 11 4 1 8 8 8
15 3 2 11 4 1 8 8 8
0
Answer:
454
89
89
99
6
20
20
20
# Include
# Include
# Include
# Include
# Define M 100 using namespace std; int n, m, sum, flag, vis [M], a [M]; void dfs (int s, int cur, int d, int p, int q) {if (cur = p | flag) {flag = 1; return;} for (int I = s; I
Q) continue; vis [I] = 1; if (d + a [I] = q) dfs (0, cur + 1, 0, p, q ); else dfs (I + 1, cur, d + a [I], p, q); vis [I] = 0; if (flag) return; if (d = 0) break; // pruning while (a [I + 1] = a [I]) I ++; // if the property is the same, pruning} return;} int main () {// freopen ("input.txt", "r", stdin); // freopen ("output.txt", "w", stdout ); while (scanf ("% d", & n), n) {sum = 0; for (int I = 0; I
(); For (int I = a [0]; I <= sum; ++ I) {if (sum % I) continue; memset (vis, 0, sizeof vis); flag = 0; dfs (0, 0, sum/I, I); if (flag) {cout <