diff options
Diffstat (limited to 'max_ice_cream_bars.cpp')
-rw-r--r-- | max_ice_cream_bars.cpp | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/max_ice_cream_bars.cpp b/max_ice_cream_bars.cpp deleted file mode 100644 index e391f87..0000000 --- a/max_ice_cream_bars.cpp +++ /dev/null @@ -1,39 +0,0 @@ -#include "leetcode.h" - -class Solution { -public: - int maxIceCream(vector<int> &costs, int coins) { - int k = costs.size(); - vector<int> dp(k + 1, -1); - sort(costs.begin(), costs.end()); - return dfs(dp, costs, coins, 0, k); - } - -private: - int dfs(vector<int> &dp, vector<int> &nums, int coins, int i, int k) { - if (coins <= 0) - return 0; - if (i == k - 1) { - if (nums[i] <= coins) - return 1; - else - return 0; - } - if (dp[i] != -1) - return dp[i]; - int y = 0, n = 0; - if (nums[i] <= coins) - y = 1 + dfs(dp, nums, coins - nums[i], i + 1, k); - n = dfs(dp, nums, coins, i + 1, k); - return dp[i] = max(y, n); - } -}; - -int main() { - Solution obj; - vector<int> costs1 = {1, 3, 2, 4, 1}, costs2 = {10, 6, 8, 7, 7, 8}, - costs3 = {1, 6, 3, 1, 2, 5}; - cout << obj.maxIceCream(costs1, 7) << endl; // expect: 4 - cout << obj.maxIceCream(costs2, 5) << endl; // expect: 0 - cout << obj.maxIceCream(costs3, 20) << endl; // expect: 6 -} |