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Runtime: 6 ms (Top 41.54%) | Memory: 43.9 MB (Top 66.49%)
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// Runtime: 6 ms (Top 41.54%) | Memory: 43.9 MB (Top 66.49%)
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class Solution {
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public int minimumTotal(List<List<Integer>> triangle) {
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int n = triangle.get( triangle.size() - 1).size();
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int dp[] = new int[n + 1];
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for(int i = triangle.size() - 1; i>=0; i--)
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{
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for(int j = 0; j<triangle.get(i).size(); j++)
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dp[j] = triangle.get(i).get(j) + Math.min(dp[j], dp[j+1]);
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}
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return dp[0];
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}
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}
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}

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