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Problems
Let (n) be a positive integer. Mario has a binary string(^{\text{∗}}) (s) of length (n). In one move, he can choose any position (i) ((2 \leq i \leq n-1)) such that it's between two 1 's, i.e., (s_{i-1} = s_{i+1} = 1), and then set (s_i) to either 0 or 1 . Mario can perform this operation as many times as he wants (possibly zero). What's the minimum and maximum number of 1 's that can be in the resulting string? (^{\text{∗}})A binary string is a string whose characters are either 0 or 1 . Each test contains multiple test cases. The first line contains the number of test cases (t) ((1 \le t \le 500)). The description of the test cases follows. The first line of each test case contains an integer (n) ((3 \leq n \leq 100)) — the length of the string. The second line of each test case contains a string (s) of length (n) consisting of characters 0 or 1 . For each test case, output two integers — the minimum and maximum number of 1 's in the resulting string after some number of moves. In the first test case, the minimum number of 1 's that can be in the resulting string is (2). This is done by transforming the string as follows: ()\mathtt{1}\underline{\mathtt{1}}\mathtt{1} \to \mathtt{101}.() The maximum number of 1 's that can be in the resulting string is (3), by doing nothing. In the second test case, the minimum number of 1 's that can be in the resulting string is (3). This is done by transforming the string as follows: ()\mathtt{011}\underline{\mathtt{0}}\mathtt{11} \to \mathtt{01}\underline{\mathtt{1}}\mathtt{111} \to \mathtt{0101}\underline{\mathtt{1}}\mathtt{1} \to \mathtt{010101}.() The maximum number of 1 's that can be in the resulting string is (5). This is done by transforming the string as follows: ()\mathtt{011}\underline{\mathtt{0}}\mathtt{11} \to \mathtt{011111}.() |
Tutorials
Submissions
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|
365920227 |
Mostafafied |
A |
March 8, 2026, 9:26 p.m. |
OK |
C# 10 |
TESTS |
4 |
46 |
409600 |
|
|
|
365919653 |
Mostafafied |
A |
March 8, 2026, 9:15 p.m. |
OK |
C# 10 |
TESTS |
4 |
46 |
512000 |
|
|
|
365881197 |
Ashborn24 |
A |
March 8, 2026, 3:43 p.m. |
OK |
C# 13 |
TESTS |
4 |
78 |
1433600 |
|
|
|
365943386 |
okbhargab |
A |
March 9, 2026, 6:03 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
4 |
15 |
0 |
|
|
|
365943167 |
Zzz_yu |
A |
March 9, 2026, 6 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
4 |
15 |
0 |
|
|
|
365940568 |
zengxuanran |
A |
March 9, 2026, 5:24 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
4 |
15 |
0 |
|
|
|
365938603 |
kazialim12 |
A |
March 9, 2026, 4:51 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
4 |
15 |
0 |
|
|
|
365937414 |
kirti123x |
A |
March 9, 2026, 4:27 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
4 |
15 |
0 |
|
|
|
365936344 |
Adiiiiiii |
A |
March 9, 2026, 4:07 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
4 |
15 |
0 |
|
|
|
365936301 |
hanoi10khanh_pn |
A |
March 9, 2026, 4:06 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
4 |
15 |
0 |
|
|
|
365936124 |
Aura-Reflected |
A |
March 9, 2026, 4:02 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
4 |
15 |
0 |
|
|
|
365934784 |
Decimator069 |
A |
March 9, 2026, 3:34 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
4 |
15 |
0 |
|
|
|
365933971 |
billy22 |
A |
March 9, 2026, 3:18 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
4 |
15 |
0 |
|
|
|
365910950 |
Tran_Doan_Xuan_Thanh |
A |
March 8, 2026, 7:21 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
4 |
0 |
0 |
|
|
|
365940798 |
zhaojunkai |
A |
March 9, 2026, 5:28 a.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
4 |
15 |
0 |
|
|
|
365932121 |
shreyansh123h |
A |
March 9, 2026, 2:35 a.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
4 |
15 |
0 |
|
|
|
365929440 |
14kxr |
A |
March 9, 2026, 1:16 a.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
4 |
15 |
0 |
|
|
|
365928035 |
KartikMalik_1729 |
A |
March 9, 2026, 12:32 a.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
4 |
15 |
0 |
|
|
|
365923616 |
Aurora05 |
A |
March 8, 2026, 10:33 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
4 |
15 |
0 |
|
|
|
365920439 |
untouchable |
A |
March 8, 2026, 9:29 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
4 |
15 |
0 |
|
|
|
365919453 |
CrJayden07 |
A |
March 8, 2026, 9:12 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
4 |
15 |
0 |
|
|
|
365915303 |
vaibhav_jpd |
A |
March 8, 2026, 8:15 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
4 |
15 |
0 |
|
|
|
365911979 |
Yash_op489 |
A |
March 8, 2026, 7:34 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
4 |
15 |
0 |
|
|
|
365942556 |
hosizora |
A |
March 9, 2026, 5:53 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
4 |
15 |
0 |
|
|
|
365941818 |
Nahin.M |
A |
March 9, 2026, 5:42 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
4 |
15 |
0 |
|
|
|
365941648 |
MANTHANN |
A |
March 9, 2026, 5:40 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
4 |
15 |
0 |
|
|
|
365941516 |
rahul6311 |
A |
March 9, 2026, 5:38 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
4 |
15 |
0 |
|
|
|
365940814 |
PersonalFortune |
A |
March 9, 2026, 5:28 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
4 |
15 |
0 |
|
|
|
365940268 |
WoW_BBQ |
A |
March 9, 2026, 5:20 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
4 |
15 |
0 |
|
|
|
365939959 |
limx |
A |
March 9, 2026, 5:15 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
4 |
15 |
0 |
|
|
|
365939870 |
Bongu_Karthik |
A |
March 9, 2026, 5:14 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
4 |
15 |
0 |
|
|
|
365938426 |
Sputnik_1 |
A |
March 9, 2026, 4:47 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
4 |
15 |
0 |
|
|
|
365936486 |
Deagon |
A |
March 9, 2026, 4:10 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
4 |
15 |
0 |
|
|
|
365878626 |
sairoshinimacharla |
A |
March 8, 2026, 3:31 p.m. |
OK |
GNU C11 |
TESTS |
4 |
0 |
204800 |
|
|
|
365920255 |
SAZID_X_MMA |
A |
March 8, 2026, 9:26 p.m. |
OK |
GNU C11 |
TESTS |
4 |
15 |
0 |
|
|
|
365892107 |
AaronPe |
A |
March 8, 2026, 4:38 p.m. |
OK |
GNU C11 |
TESTS |
4 |
15 |
0 |
|
|
|
365890396 |
santhosh_kumar_05 |
A |
March 8, 2026, 4:29 p.m. |
OK |
GNU C11 |
TESTS |
4 |
15 |
0 |
|
|
|
365888943 |
coder_seasoned |
A |
March 8, 2026, 4:21 p.m. |
OK |
GNU C11 |
TESTS |
4 |
15 |
0 |
|
|
|
365887773 |
Anshu_Negi17 |
A |
March 8, 2026, 4:15 p.m. |
OK |
GNU C11 |
TESTS |
4 |
15 |
0 |
|
|
|
365885163 |
DaeSu |
A |
March 8, 2026, 4:02 p.m. |
OK |
GNU C11 |
TESTS |
4 |
15 |
0 |
|
|
|
365882593 |
llx666 |
A |
March 8, 2026, 3:50 p.m. |
OK |
GNU C11 |
TESTS |
4 |
15 |
0 |
|
|
|
365881443 |
devg.14052007 |
A |
March 8, 2026, 3:44 p.m. |
OK |
GNU C11 |
TESTS |
4 |
15 |
0 |
|
|
|
365881294 |
rayhan_65 |
A |
March 8, 2026, 3:43 p.m. |
OK |
GNU C11 |
TESTS |
4 |
15 |
0 |
|
|
|
365899726 |
theeleven |
A |
March 8, 2026, 5:22 p.m. |
OK |
Java 21 |
TESTS |
4 |
171 |
716800 |
|
|
|
365937148 |
Avi1921 |
A |
March 9, 2026, 4:22 a.m. |
OK |
Java 21 |
TESTS |
4 |
171 |
1024000 |
|
|
|
365934283 |
Sanat0412 |
A |
March 9, 2026, 3:24 a.m. |
OK |
Java 21 |
TESTS |
4 |
187 |
0 |
|
|
|
365899720 |
manmohan0singh0 |
A |
March 8, 2026, 5:22 p.m. |
OK |
Java 21 |
TESTS |
4 |
187 |
102400 |
|
|
|
365931171 |
Ningzhuo |
A |
March 9, 2026, 2:10 a.m. |
OK |
Java 21 |
TESTS |
4 |
187 |
512000 |
|
|
|
365905269 |
sarachoudhary |
A |
March 8, 2026, 6:12 p.m. |
OK |
Java 21 |
TESTS |
4 |
187 |
716800 |
|
|
|
365905531 |
keshav_.agg |
A |
March 8, 2026, 6:14 p.m. |
OK |
Java 21 |
TESTS |
4 |
187 |
819200 |
|
|
|
365904838 |
Ayush_Chauhan025 |
A |
March 8, 2026, 6:07 p.m. |
OK |
Java 21 |
TESTS |
4 |
187 |
819200 |
|
|
|
365915706 |
YAEL345YOL |
A |
March 8, 2026, 8:20 p.m. |
OK |
Java 21 |
TESTS |
4 |
187 |
1228800 |
|
|
|
365879533 |
rg7633023155 |
A |
March 8, 2026, 3:35 p.m. |
OK |
Java 21 |
TESTS |
4 |
187 |
1945600 |
|
|
|
365916286 |
BINAYAK_HAZRA |
A |
March 8, 2026, 8:28 p.m. |
OK |
Java 8 |
TESTS |
4 |
78 |
0 |
|
|
|
365915530 |
CodeLover2007 |
A |
March 8, 2026, 8:18 p.m. |
OK |
Java 8 |
TESTS |
4 |
78 |
0 |
|
|
|
365939419 |
abhishek1445 |
A |
March 9, 2026, 5:05 a.m. |
OK |
Java 8 |
TESTS |
4 |
125 |
0 |
|
|
|
365917999 |
boyayun |
A |
March 8, 2026, 8:50 p.m. |
OK |
Java 8 |
TESTS |
4 |
125 |
0 |
|
|
|
365890990 |
AyushmanYadav |
A |
March 8, 2026, 4:32 p.m. |
OK |
Java 8 |
TESTS |
4 |
140 |
0 |
|
|
|
365884188 |
k_manisha25 |
A |
March 8, 2026, 3:57 p.m. |
OK |
Java 8 |
TESTS |
4 |
140 |
0 |
|
|
|
365879723 |
malchalamniki |
A |
March 8, 2026, 3:36 p.m. |
OK |
Java 8 |
TESTS |
4 |
140 |
0 |
|
|
|
365889378 |
SavriJoshi |
A |
March 8, 2026, 4:23 p.m. |
OK |
Java 8 |
TESTS |
4 |
156 |
0 |
|
|
|
365882285 |
A.Zainhom |
A |
March 8, 2026, 3:48 p.m. |
OK |
Java 8 |
TESTS |
4 |
156 |
0 |
|
|
|
365880921 |
Rithika_Ceekonda |
A |
March 8, 2026, 3:42 p.m. |
OK |
Java 8 |
TESTS |
4 |
171 |
0 |
|
|
|
365926171 |
yuisgame |
A |
March 8, 2026, 11:39 p.m. |
OK |
Kotlin 1.9 |
TESTS |
4 |
93 |
0 |
|
|
|
365882562 |
nullbrain_ |
A |
March 8, 2026, 3:49 p.m. |
OK |
Kotlin 2.2 |
TESTS |
4 |
109 |
23756800 |
|
|
|
365894664 |
wamachine_ |
A |
March 8, 2026, 4:53 p.m. |
OK |
PHP |
TESTS |
4 |
46 |
102400 |
|
|
|
365905472 |
PalizU |
A |
March 8, 2026, 6:13 p.m. |
OK |
PyPy 3 |
TESTS |
4 |
93 |
2355200 |
|
|
|
365879225 |
Yegorbear |
A |
March 8, 2026, 3:34 p.m. |
OK |
PyPy 3 |
TESTS |
4 |
125 |
5427200 |
|
|
|
365884578 |
vladmed2 |
A |
March 8, 2026, 3:59 p.m. |
OK |
PyPy 3 |
TESTS |
4 |
140 |
4915200 |
|
|
|
365927836 |
surajchip2 |
A |
March 9, 2026, 12:26 a.m. |
OK |
PyPy 3 |
TESTS |
4 |
140 |
5734400 |
|
|
|
365910451 |
rabeysin |
A |
March 8, 2026, 7:15 p.m. |
OK |
PyPy 3 |
TESTS |
4 |
171 |
5120000 |
|
|
|
365896959 |
Jyotier |
A |
March 8, 2026, 5:06 p.m. |
OK |
PyPy 3 |
TESTS |
4 |
218 |
6348800 |
|
|
|
365937215 |
skuru |
A |
March 9, 2026, 4:23 a.m. |
OK |
PyPy 3-64 |
TESTS |
4 |
46 |
1740800 |
|
|
|
365884046 |
yrtillw |
A |
March 8, 2026, 3:57 p.m. |
OK |
PyPy 3-64 |
TESTS |
4 |
46 |
2150400 |
|
|
|
365940496 |
Pilgrim1043 |
A |
March 9, 2026, 5:23 a.m. |
OK |
PyPy 3-64 |
TESTS |
4 |
62 |
2252800 |
|
|
|
365899028 |
narendar_92 |
A |
March 8, 2026, 5:18 p.m. |
OK |
PyPy 3-64 |
TESTS |
4 |
62 |
2252800 |
|
|
|
365879111 |
Nkotanyi |
A |
March 8, 2026, 3:33 p.m. |
OK |
PyPy 3-64 |
TESTS |
4 |
62 |
2252800 |
|
|
|
365930657 |
kamio-misuzu |
A |
March 9, 2026, 1:54 a.m. |
OK |
PyPy 3-64 |
TESTS |
4 |
62 |
2355200 |
|
|
|
365895213 |
PseudoSol |
A |
March 8, 2026, 4:56 p.m. |
OK |
PyPy 3-64 |
TESTS |
4 |
62 |
2355200 |
|
|
|
365883167 |
chunjaemin |
A |
March 8, 2026, 3:52 p.m. |
OK |
PyPy 3-64 |
TESTS |
4 |
62 |
2457600 |
|
|
|
365938625 |
wybpku |
A |
March 9, 2026, 4:51 a.m. |
OK |
PyPy 3-64 |
TESTS |
4 |
78 |
2150400 |
|
|
|
365895405 |
humza_choudry |
A |
March 8, 2026, 4:57 p.m. |
OK |
PyPy 3-64 |
TESTS |
4 |
78 |
2150400 |
|
|
|
365884767 |
Monish2000 |
A |
March 8, 2026, 4 p.m. |
OK |
Python 3 |
TESTS |
4 |
31 |
0 |
|
|
|
365880703 |
alok_chandra01 |
A |
March 8, 2026, 3:41 p.m. |
OK |
Python 3 |
TESTS |
4 |
31 |
307200 |
|
|
|
365908056 |
Toka_Nani |
A |
March 8, 2026, 6:43 p.m. |
OK |
Python 3 |
TESTS |
4 |
46 |
0 |
|
|
|
365900494 |
gomunkul |
A |
March 8, 2026, 5:26 p.m. |
OK |
Python 3 |
TESTS |
4 |
46 |
0 |
|
|
|
365889337 |
vishruthalwandi |
A |
March 8, 2026, 4:23 p.m. |
OK |
Python 3 |
TESTS |
4 |
46 |
0 |
|
|
|
365887776 |
ng169_ |
A |
March 8, 2026, 4:15 p.m. |
OK |
Python 3 |
TESTS |
4 |
46 |
0 |
|
|
|
365883797 |
qweoqweo |
A |
March 8, 2026, 3:55 p.m. |
OK |
Python 3 |
TESTS |
4 |
46 |
0 |
|
|
|
365881764 |
professor17 |
A |
March 8, 2026, 3:46 p.m. |
OK |
Python 3 |
TESTS |
4 |
46 |
0 |
|
|
|
365880969 |
DDD12643 |
A |
March 8, 2026, 3:42 p.m. |
OK |
Python 3 |
TESTS |
4 |
46 |
0 |
|
|
|
365941058 |
Thecoolgrape |
A |
March 9, 2026, 5:31 a.m. |
OK |
Python 3 |
TESTS |
4 |
46 |
102400 |
|
|
|
365884331 |
hachiko2026 |
A |
March 8, 2026, 3:58 p.m. |
OK |
Ruby 3 |
TESTS |
4 |
171 |
409600 |
|
|
|
365883420 |
Darknef |
A |
March 8, 2026, 3:54 p.m. |
OK |
Rust 2024 |
TESTS |
4 |
31 |
0 |
|
|
|
365882912 |
CoHHa9_MyXa |
A |
March 8, 2026, 3:51 p.m. |
OK |
Rust 2024 |
TESTS |
4 |
31 |
0 |
|
|
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