input:

6100
19 52
51 98
2 83
40 58
96 99
39 55
72 94
15 17
4 15
48 99
2 99
77 78
35 77
44 62
79 81
30 31
1 48
48 76
68 99
60 66
6 19
44 53
64 92
17 28
67 98
9 99
40 65
16 27
99 100
15 56
4 6
24 97
84 96
47 49
37 38
77 79
13 40
13 92
71 100
47 93
90 91
72 81
15 48
32 71
19 17
95 99
10 23
18 100
90 93
52 92
...

output:

534
19 18 6 11 14 4 10 9 1 2 12 17 13 3 5 16 15 7 8 
215
6 1 2 4 5 3 
402
16 7 6 12 11 14 8 5 13 1 4 10 2 15 9 3 
733
18 7 11 3 6 14 13 19 10 12 5 16 8 17 4 1 15 9 2 
249
11 10 14 5 6 4 2 12 8 3 9 1 15 13 7 
440
12 3 19 1 14 16 15 9 5 8 20 4 13 2 7 6 10 11 18 17 
104
4 1 3 2 
193
1 3 2 8 4 6 7 5 9 1...

result:

wrong answer Participant declares the cost to be 534, but the plan actually costs 550 (test case 1)