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updated at 2023. 1. 21. 오후 2:50:54

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rl544
2023-01-21 14:50:54 +09:00
parent ff8ca6a710
commit 4e363b0999
1 changed files with 2 additions and 3 deletions
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programmers/2 x n 타일링/solution.java
+2 -3
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@@ -5,9 +5,8 @@ class Solution {
int[] ans = new int[n+1]; int[] ans = new int[n+1];
for(int a = 0; a <= n; a++){ for(int a = 0; a <= n; a++){
int tmp = 0; int tmp = 0;
if(a == 0) tmp = 1; if(a <= 1) tmp = 1;
if(a >= 1) tmp += ans[a-1]; if(a >= 2) tmp += ans[a-2]+ans[a-1];
if(a >= 2) tmp += ans[a-2];
ans[a] = tmp%1000000007; ans[a] = tmp%1000000007;
} }
return ans[n]; return ans[n];