Commit 2072492

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이예진: [PG] 42884 단속카메라_241115

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	`1`	`+import java.util.Arrays;`
	`2`	`+import java.util.Comparator;`
	`3`	`+`
	`4`	`+public class YJ_42884 {`
	`5`	`+ public int solution(int[][] routes) {`
	`6`	`+ Arrays.sort(routes, Comparator.comparingInt(o -> o[0]));`
	`7`	`+`
	`8`	`+ int current = routes[0][1];`
	`9`	`+ int answer = 1;`
	`10`	`+ for(int i=1; i<routes.length; i++){`
	`11`	`+ if(current < routes[i][0]){`
	`12`	`+ answer++;`
	`13`	`+ current = routes[i][1];`
	`14`	`+ }else{ //current >= routes[i][0]`
	`15`	`+ current = Math.min(current, routes[i][1]);`
	`16`	`+ }`
	`17`	`+ }`
	`18`	`+`
	`19`	`+ return answer;`
	`20`	`+ }`
	`21`	`+}`

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