problem933

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933. Number of Recent Calls (Easy)

Write a class RecentCounter to count recent requests.

It has only one method: ping(int t), where t represents some time in milliseconds.

Return the number of pings that have been made from 3000 milliseconds ago until now.

Any ping with time in [t - 3000, t] will count, including the current ping.

It is guaranteed that every call to ping uses a strictly larger value of t than before.

 

Example 1:

Input: inputs = ["RecentCounter","ping","ping","ping","ping"], inputs = [[],[1],[100],[3001],[3002]]
Output: [null,1,2,3,3]

 

Note:

1. Each test case will have at most 10000 calls to ping.
2. Each test case will call ping with strictly increasing values of t.
3. Each call to ping will have 1 <= t <= 10^9.

 

Related Topics

[Queue]

Documentation

Index

• type RecentCounter
  • func Constructor() RecentCounter
  • func (this *RecentCounter) Ping(t int) int

Types

type RecentCounter

type RecentCounter struct {
	// contains filtered or unexported fields
}

func Constructor

func Constructor() RecentCounter

func (*RecentCounter) Ping

func (this *RecentCounter) Ping(t int) int