ICPC(2025) Selection Contest - 2

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ICPC(2025) Selection Contest - 2

contest.view.end : 1758808200000

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(contest.frozen)

contest.view.remaining :

#		Origin	Title
A	1	Gym 102694B	A
B	2	Toph where-is-the-ghost	B
C	1	Gym 106045B	C
D	2	Gym 106045G	D
E	1	Gym 106045K	E
F	1	Gym 106045J	F
G	3	CSES 1740	G

Status

My Status

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ID	status.list.username	status.list.prob	status.list.result	status.list.time (ms)	status.list.mem (MB)	status.list.length	status.list.lang	status.list.submit_time

{"id":749417,"title":"ICPC(2025) Selection Contest - 2","type":1,"openness":1,"authStatus":1,"begin":1758799200000,"end":1758808200000,"freezeTime":1758808200000,"unfreezeTime":1758808200000,"enableFreeze":false,"createTime":1758331792000,"version":"a8b","started":true,"ended":true,"managerId":611086,"managerName":"kiMg","groupShortName":"icpc_ku","groupName":"ICPC_KU","fav":false,"description":{"format":"MD","content":""},"announcement":"Sample interactive problem solution :\n\n```cpp#include \u003ccstdio\u003e\n#include \u003ccstring\u003e\n\nusing namespace std;\n\nint main() {\n    int l \u003d 1, r \u003d 1000000;\n    while (l !\u003d r) {\n        int mid \u003d (l + r + 1) / 2;\n        printf(\"%d\\n\", mid);\n        fflush(stdout);\n\n        char response[3];\n        scanf(\"%s\", response);\n        if (strcmp(response, \"\u003c\") \u003d\u003d 0)\n            r \u003d mid - 1;\n        else\n            l \u003d mid;\n    }\n\n    printf(\"! %d\\n\", l);\n    fflush(stdout);\n}```","problems":[{"pid":3644711,"title":"A","oj":"Gym","probNum":"102694B","num":"A","enabledDescKeys":[3011098510965539],"descBriefs":[{"key":3011098510965539,"updateDate":"2026-04-03","version":1775215441000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"3000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"os","content":"Windows","spoiler":false},{"title":"source","content":"\u003ca href\u003d\u0027https://codeforces.com/gym/102694\u0027 target\u003d\u0027_blank\u0027\u003eAlgorithmsThread Tree Basics Contest\u003c/a\u003e","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/81527\" title\u003d\"Algorithms Thread 8: Tree Basics (+ Gym Contest)\" target\u003d\"_blank\"\u003eAnnouncement \u003cspan 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