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Commitad7d027

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committed
update
1 parent18fbd56 commitad7d027

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2 files changed

+24
-1
lines changed

2 files changed

+24
-1
lines changed

‎src/decode_ways.rs

Lines changed: 23 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,23 @@
1+
use std::collections::HashMap;
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pubstructSolution{}
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implSolution{
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pubfnnum_decodings(s:String) ->i32{
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let s:Vec<char> = s.chars().collect();
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let(mut d1,mut d2,mut d3) =(0,1,0);
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for iin(0..s.len()asi32 -1).rev(){
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if s[iasusize] !='0'{
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d1 += d2;
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}
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if iasusize +1 < s.len()
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&&(s[iasusize] =='1'
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|| s[iasusize] =='2' && s[iasusize +1].to_digit(10).unwrap() <=6)
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{
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d2 += d3;
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}
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d3 = d2;
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d2 = d1;
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d1 =0;
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}
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d2
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}
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}

‎src/main.rs

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,2 +1,2 @@
1-
modpalindromic_substrings;
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moddecode_ways;
22
fnmain(){}

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