aboutsummaryrefslogtreecommitdiff
path: root/other/valid_stack_seq.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'other/valid_stack_seq.cpp')
-rw-r--r--other/valid_stack_seq.cpp32
1 files changed, 0 insertions, 32 deletions
diff --git a/other/valid_stack_seq.cpp b/other/valid_stack_seq.cpp
deleted file mode 100644
index 62250db..0000000
--- a/other/valid_stack_seq.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-// 946. Validate Stack Sequences
-#include "leetcode.h"
-
-/*
- * given two integer arrays 'pushed' & 'popped' each with distinct
- * values, return true if this could have been the result of a sequence
- * of push and pop operations on an initially empty stack, or false otherwise
- */
-
-class Solution {
-public:
- bool validateStackSequences(vector<int> &pushed, vector<int> &popped) {
- stack<int> s;
- int i = 0;
- for (int x : pushed) {
- s.push(x);
- while (s.size() && s.top() == popped[i]) {
- s.pop();
- i++;
- }
- }
- return !s.size();
- }
-};
-
-int main() {
- Solution obj;
- vector<int> pushed = {1, 2, 3, 4, 5};
- vector<int> p1 = {4, 5, 3, 2, 1}, p2 = {4, 3, 5, 1, 2};
- printf("%d\n", obj.validateStackSequences(pushed, p1)); // expect: 1
- printf("%d\n", obj.validateStackSequences(pushed, p2)); // expect: 0
-}