uva10559
兩種情況:1.找到相似方塊直接消去
? ? ? ? ? ? ? ? ? 2.將中間方塊枚舉消去,兩邊方塊可以累計平方更大。
#include<iostream> #include<algorithm> #include<math.h> #include<string.h> #include<stdio.h> #include<string> #include<vector> #include<queue> #include<map> #include<sstream> #include<cassert> using namespace std; const int maxn = 200 + 5; int n, A[maxn], d[maxn][maxn][maxn]; int dp(int i, int j, int k) {if (i > j)return 0;int &ans = d[i][j][k];if(ans>0)return ans;int p = j;while (p >= i && A[p] == A[j])p--;p++;ans = dp(i, p - 1, 0) + (j - p + k + 1)*(j - p + k + 1);for (int q = i; q < p; q++) {if (A[q] == A[j] && A[q] != A[q + 1]) {ans = max(ans, dp(q + 1, p - 1, 0) + dp(i, q, j - p + k + 1));}}return ans; }int main() {int T;scanf("%d", &T);for (int kase = 1; kase <= T; kase++) {scanf("%d", &n);for (int i = 0; i < n; i++)scanf("%d", &A[i]);memset(d, -1, sizeof(d));printf("Case %d: %d\n", kase, dp(0, n - 1, 0));}return 0; }?
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