Created
June 4, 2021 11:35
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| int go(int L, int R){ | |
| if(L > R) | |
| return 0; | |
| if(L == R) | |
| return a[L]; | |
| int &ans = dp[L][R]; | |
| if(ans != -1) | |
| return ans; | |
| int c1 = a[L] + go(L+1,R); | |
| int c2 = a[L]*a[L+1] + go(L + 2, R); | |
| int c3 = a[R] + go(L,R-1); | |
| int c4 = a[R]*a[R-1] + go(L, R - 2); | |
| ans = max({c1, c2, c3, c4}); | |
| return ans; | |
| } | |
| // final_ans = go(1, n) |
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