Commit 1fb33f2

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guangsheng.li01

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Solved 0779

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Lines changed: 34 additions & 0 deletions

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`@@ -0,0 +1,34 @@`
	`1`	`+/*`
	`2`	`+ * [0779] k-th-symbol-in-grammar`
	`3`	`+ */`
	`4`	`+`
	`5`	`+struct Solution;`
	`6`	`+`
	`7`	`+impl Solution {`
	`8`	`+ pub fn kth_grammar(n: i32, k: i32) -> i32 {`
	`9`	`+ let mut k = k;`
	`10`	`+ let mut n = n - 1;`
	`11`	`+ let mut p = false;`
	`12`	`+ while n > 0 {`
	`13`	`+ n -= 1;`
	`14`	`+ if k % 2 == 0 {`
	`15`	`+ p = !p;`
	`16`	`+ }`
	`17`	`+ k = (k - 1) / 2 + 1;`
	`18`	`+ }`
	`19`	`+ p as i32`
	`20`	`+ }`
	`21`	`+}`
	`22`	`+`
	`23`	`+#[cfg(test)]`
	`24`	`+mod tests {`
	`25`	`+ use super::*;`
	`26`	`+`
	`27`	`+ #[test]`
	`28`	`+ fn test_case0() {`
	`29`	`+ assert_eq!(Solution::kth_grammar(1, 1), 0);`
	`30`	`+ assert_eq!(Solution::kth_grammar(2, 1), 0);`
	`31`	`+ assert_eq!(Solution::kth_grammar(2, 2), 1);`
	`32`	`+ assert_eq!(Solution::kth_grammar(4, 5), 1);`
	`33`	`+ }`
	`34`	`+}`

Lines changed: 1 addition & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -36,6 +36,7 @@ mod a0654_maximum_binary_tree;`
`36`	`36`	`mod a0701_insert_into_a_binary_search_tree;`
`37`	`37`	`mod a0726_number_of_atoms;`
`38`	`38`	`mod a0761_special_binary_string;`
	`39`	`+mod a0779_k_th_symbol_in_grammar;`
`39`	`40`	`mod a0783_minimum_distance_between_bst_nodes;`
`40`	`41`	`mod a0867_transpose_matrix;`
`41`	`42`	`mod a0883_projection_area_of_3d_shapes;`

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