Educational Codeforces Round 103 (Rated for Div. 2)

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Phase
Frozen
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Relative Time
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1476 Educational Codeforces Round 103 (Rated for Div. 2) FINISHED False 7200 125421911 Jan. 29, 2021, 2:35 p.m.

Problems

Solved$
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Name
Type
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Community Tag
Rating
( 8731 ) D Journey PROGRAMMING dfs and similar dp ds implementation two pointers

B'There are n + 1 cities, numbered from 0 to n . n roads connect these cities, the i -th road connects cities i - 1 and i ( i in [1, n] ). Each road has a direction. The directions are given by a string of n characters such that each character is either L or R. If the i -th character is L, it means that the i -th road initially goes from the city i to the city i - 1 ; otherwise it goes from the city i - 1 to the city i . A traveler would like to visit as many cities of this country as possible. Initially, they will choose some city to start their journey from. Each day, the traveler must go from the city where they currently are to a neighboring city using one of the roads, and they can go along a road only if it is directed in the same direction they are going; i. xe2 x80 x89e., if a road is directed from city i to the city i + 1 , it is possible to travel from i to i + 1 , but not from i + 1 to i . After the traveler moves to a neighboring city, all roads change their directions to the opposite ones. If the traveler cannot go from their current city to a neighboring city, their journey ends; it is also possible to end the journey whenever the traveler wants to. The goal of the traveler is to visit as many different cities as possible (they can visit a city multiple times, but only the first visit is counted). For each city i , calculate the maximum number of different cities the traveler can visit during exactly one journey if they start in the city i . The first line contains one integer t ( 1 <= t <= 10^4 ) -- the number of test cases. Each test case consists of two lines. The first line contains one integer n ( 1 <= n <= 3 cdot 10^5 ). The second line contains the string s consisting of exactly n characters, each character is either L or R. It is guaranteed that the sum of n over all test cases'...

Tutorials

87356

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
105943518 NewbieFly D Jan. 29, 2021, 5 p.m. OK GNU C++11 TESTS 15 61 2764800
105970079 comld D Jan. 30, 2021, 12:56 a.m. OK GNU C++11 TESTS 15 61 13004800
105942034 lszxj D Jan. 29, 2021, 4:51 p.m. OK GNU C++11 TESTS 15 62 1536000
105934785 wrxi D Jan. 29, 2021, 4:28 p.m. OK GNU C++11 TESTS 15 62 1536000
105974065 HHHEN D Jan. 30, 2021, 2:56 a.m. OK GNU C++11 TESTS 15 62 2662400
105959345 Yoitsu_Holo D Jan. 29, 2021, 7:48 p.m. OK GNU C++11 TESTS 15 62 2662400
105943716 NewbieFly D Jan. 29, 2021, 5:01 p.m. OK GNU C++11 TESTS 15 62 2662400
105971667 zhl D Jan. 30, 2021, 1:51 a.m. OK GNU C++11 TESTS 15 62 2764800
105943354 foreverxr D Jan. 29, 2021, 4:59 p.m. OK GNU C++11 TESTS 15 62 2764800
105973835 do_while_true D Jan. 30, 2021, 2:50 a.m. OK GNU C++11 TESTS 15 62 3584000

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