Java | Leetcode Java题解之第554题砖墙
题目：
题解：
class Solution {
public int leastBricks(List<List<Integer>> wall) {
Map<Integer, Integer> cnt = new HashMap<Integer, Integer>();
for (List<Integer> widths : wall) {
int n = widths.size();
int sum = 0;
for (int i = 0; i < n - 1; i++) {
sum += widths.get(i);
cnt.put(sum, cnt.getOrDefault(sum, 0) + 1);
}
}
int maxCnt = 0;
for (Map.Entry<Integer, Integer> entry : cnt.entrySet()) {
maxCnt = Math.max(maxCnt, entry.getValue());
}
return wall.size() - maxCnt;
}
}原文地址：https://blog.csdn.net/m0_57195758/article/details/143654949
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