LeetCode 3172: Second Day Verification Solution
Master LeetCode problem 3172 (Second Day Verification), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.
3172. Second Day Verification
Problem Explanation
Explanation:
To solve this problem, we can use a simple approach by iterating through the given list of integers and checking if the current number is greater than its previous number. If it is, we increment a counter. The counter keeps track of the number of days where the stock price increased compared to the previous day. Finally, we return the counter value as the result.
Algorithmic Idea:
- Initialize a counter variable to 0.
- Iterate through the list of stock prices.
- For each stock price, check if it is greater than the previous stock price.
- If it is, increment the counter.
- Return the counter value as the result.
Time Complexity:
The time complexity of this solution is O(n), where n is the number of elements in the given list of stock prices.
Space Complexity:
The space complexity of this solution is O(1) as we are using only a constant amount of extra space.
: :
Solution Code
public int secondDayVerification(int[] prices) {
int days = 0;
for (int i = 1; i < prices.length; i++) {
if (prices[i] > prices[i - 1]) {
days++;
}
}
return days;
}Try It Yourself
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