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May 24th, 2018
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  1. #include <iostream>
  2. using namespace std;
  3.  
  4.  
  5.  
  6. int main() {
  7. int n, k, v[101] = { 0 }, i, j;
  8. long long dp[10001] = { 0 };
  9. cin >> n >> k;
  10. for (i = 0; i < n; i++) {
  11. cin >> v[i];
  12. }
  13. dp[0] = 1;
  14. for (i = 0; i < n; i++) {
  15. for (j = 0; j <= k; j++) {
  16. if (v[i] <= j) {
  17. dp[j] += dp[j - v[i]];
  18. }
  19. }
  20. }
  21. cout << dp[k] << '\n';
  22.  
  23.  
  24. return 0;
  25. }
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