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Language: Game
Description Wintokk likes playing games on convex-hull. One day, Dragon wants to test him. Dragon has drawn But Wintokk is so stupid. Can you help him find the smallest area after removing a single point? Input The input contains several test cases. Each test starts with an integer The next The input ends up with Output Output the smallest area with two digits after the decimal point. Sample Input 4 1 0 0 0 0 1 1 1 0 Sample Output 0.50 Source POJ Monthly--2007.07.08, Wang, Dong |

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