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:

524
2 10 8 7 15 16 5 3 13 19 17 12 11 14 6 1 9 18 4
194
5 3 1 6 2 4
397
9 10 4 11 3 7 15 6 2 16 8 14 13 12 5 1
733
2 15 7 3 19 9 14 18 12 11 13 16 5 17 4 6 8 10 1
244
3 10 5 6 2 7 13 15 1 9 11 14 4 12 8
422
17 18 3 16 8 19 15 5 14 20 12 4 9 13 7 10 2 11 6 1
104
3 4 2 1
187
4 3 8 10 9 5 7 6 2 1
117
2...

result:

wrong answer Participant declares the cost to be 524, but the plan actually costs 538 (test case 1)