Hello everyone. As a person that extremely enjoys competitve programming, and thus enjoys Codeforces problems I really want to adress this issue.↵
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Problem link: http://codeforces.net/contest/321/problem/C↵
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My submission (Wrong code and get AC):↵
http://codeforces.net/contest/321/submission/26788450↵
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rng_58 submission (Right Code and get AC too):↵
http://codeforces.net/contest/321/submission/3973635↵
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Input:↵
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60↵
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1 2↵
1 3↵
3 4↵
3 5↵
5 6↵
5 7↵
7 8↵
7 9↵
9 10↵
9 11↵
11 12↵
11 13↵
13 14↵
13 15↵
15 16↵
15 17↵
17 18↵
17 19↵
19 20↵
19 21↵
21 22↵
21 23↵
23 24↵
23 25↵
25 26↵
25 27↵
27 28↵
27 29↵
29 30↵
29 31↵
31 32↵
31 33↵
33 34↵
33 35↵
35 36↵
35 37↵
37 38↵
37 39↵
39 40↵
39 41↵
41 42↵
41 43↵
43 44↵
43 45↵
45 46↵
45 47↵
47 48↵
47 49↵
49 50↵
49 51↵
51 52↵
51 53↵
53 54↵
53 55↵
55 56↵
55 57↵
57 58↵
57 59↵
59 60↵
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OUTPUT: (rng_58) red coder it's the right output↵
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E F D E E F C D E F D E E F B C E F D E C D E F D E E F A B E F D E E F C D E F D E E F B C E F D E E F C D E F D E E F↵
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my OUTPUT:↵
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Impossible!↵
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This picture explain my test case:↵
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/predownloaded/a1/5e/a15e68cc512d9c60ea5f5e42113b76ae06d30407.jpg↵
http://imgur.com/a/l9WBH
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Problem link: http://codeforces.net/contest/321/problem/C↵
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My submission (Wrong code and get AC):↵
http://codeforces.net/contest/321/submission/26788450↵
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rng_58 submission (Right Code and get AC too):↵
http://codeforces.net/contest/321/submission/3973635↵
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Input:↵
↵
60↵
↵
1 2↵
1 3↵
3 4↵
3 5↵
5 6↵
5 7↵
7 8↵
7 9↵
9 10↵
9 11↵
11 12↵
11 13↵
13 14↵
13 15↵
15 16↵
15 17↵
17 18↵
17 19↵
19 20↵
19 21↵
21 22↵
21 23↵
23 24↵
23 25↵
25 26↵
25 27↵
27 28↵
27 29↵
29 30↵
29 31↵
31 32↵
31 33↵
33 34↵
33 35↵
35 36↵
35 37↵
37 38↵
37 39↵
39 40↵
39 41↵
41 42↵
41 43↵
43 44↵
43 45↵
45 46↵
45 47↵
47 48↵
47 49↵
49 50↵
49 51↵
51 52↵
51 53↵
53 54↵
53 55↵
55 56↵
55 57↵
57 58↵
57 59↵
59 60↵
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OUTPUT: (rng_58) red coder it's the right output↵
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E F D E E F C D E F D E E F B C E F D E C D E F D E E F A B E F D E E F C D E F D E E F B C E F D E E F C D E F D E E F↵
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my OUTPUT:↵
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Impossible!↵
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This picture explain my test case:↵
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