80202206 - 2023补赛_B_banquet
Input
Output
Examples
Input
7 1 0 3 2 3 1 5 / 9 0 0 2 1 4 0 0 3 1 2 3 0 0 0 3 1 2 3 4 1 2 3 3 3 3 5 3 3 6 5 4 7 2 10 4 3 2 5 1 4
Output
0 2 2.5 2 1 3 6
7 1 0 3 2 3 1 5 / 9 0 0 2 1 4 0 0 3 1 2 3 0 0 0 3 1 2 3 4 1 2 3 3 3 3 5 3 3 6 5 4 7 2 10 4 3 2 5 1 4
0 2 2.5 2 1 3 6