diff options
Diffstat (limited to 'largest_int_add_target.cpp')
-rw-r--r-- | largest_int_add_target.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/largest_int_add_target.cpp b/largest_int_add_target.cpp new file mode 100644 index 0000000..91015d0 --- /dev/null +++ b/largest_int_add_target.cpp @@ -0,0 +1,29 @@ +#include "leetcode.h" + +class Solution { +public: + string largestNumber(vector<int> &cost, int target) { + vector<int> dp(target + 1, -10000); + dp[0] = 0; + for (int i = 1; i <= target; ++i) + for (int j = 0; j < 9; ++j) + dp[i] = max(dp[i], i >= cost[j] ? 1 + dp[i - cost[j]] : -10000); + if (dp[target] < 0) + return "0"; + string ans = ""; + for (int i = 8; i >= 0; --i) { + while (target >= cost[i] && dp[target] == dp[target - cost[i]] + 1) { + ans.push_back('1' + i); + target -= cost[i]; + } + } + return ans; + } +}; + +int main() { + Solution obj; + vector<int> cost = {4, 3, 2, 5, 6, 7, 2, 5, 5}; + int target = 9; + cout << obj.largestNumber(cost, target); +} |