Commite24c5a6

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Added Finding the Users Active Minutes.java

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Lines changed: 24 additions & 0 deletions

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	`1`	`+classSolution {`
	`2`	`+publicint[]findingUsersActiveMinutes(int[][]logs,intk) {`
	`3`	`+Map<Integer,Set<Integer>>map =newHashMap<>();`
	`4`	`+List<Set<Integer>>setList =newArrayList<>();`
	`5`	`+for (inti =0;i <k;i++) {`
	`6`	`+setList.add(newHashSet<>());`
	`7`	`+ }`
	`8`	`+for (int[]log :logs) {`
	`9`	`+map.computeIfAbsent(log[0],j ->newHashSet<>()).add(log[1]);`
	`10`	`+intcurrActiveTime =map.get(log[0]).size();`
	`11`	`+if (currActiveTime <=k) {`
	`12`	`+setList.get(currActiveTime -1).add(log[0]);`
	`13`	`+if (currActiveTime !=1) {`
	`14`	`+setList.get(currActiveTime -2).remove(log[0]);`
	`15`	`+ }`
	`16`	`+ }`
	`17`	`+ }`
	`18`	`+int[]ans =newint[k];`
	`19`	`+for (inti =0;i <k;i++) {`
	`20`	`+ans[i] =setList.get(i).size();`
	`21`	`+ }`
	`22`	`+returnans;`
	`23`	`+ }`
	`24`	`+}`

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