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1 parent 8061774 commit 4583731Copy full SHA for 4583731
DP-DFS-memo/MaxProduct
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+//最普通的DP?怎么又不会DP了,这么简短的DP和思想,瞬间吓尿了有没有。。这差距。。。
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+
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+// 循环的过程中记录最大值和最小值!!
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+class Solution {
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+public:
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+ int maxProduct(int A[], int n) {
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+ int result = A[0], midMin = A[0],midMax = A[0];
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+ for(int i = 1;i < n;i++)
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+ {
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+ int a = min(midMin * A[i],midMax * A[i]);// 这样的比较保证值为连续的!
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+ int b = max(midMin * A[i],midMax * A[i]);
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+ midMin = min(a,A[i]);// 最小的数也要记录,这样就可以在后面再遇到负数的时候变成最大的。
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+ midMax = max(b,A[i]);
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+ result = max(midMax,result);
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+ }
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+ return result;
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+};
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