최고다최코딩

public int solution(int n) {

int answer = 1;

int count = 1;

do{

if((answer+"").contains("3")||answer%3==0){

answer= answer+ 1;//하고 나서도 다시 체크

count--;

}else{

if(count==n)break;

answer = answer+1;

}

count++;

}while(count<=n);

return answer;

}

public int solution2(int n) {

int answer = 0;

for(int i=0; i<n; i++) {

answer++;

if((answer+"").contains("3")||answer%3==0)i--;

}

return answer;

}

public int solution(String A, String B) {

int answer = 0;

int len = A.length();

A=A+A;

for (int i = 0; i < len; i++) {

String t =A.substring(len-i,2*len-i);

if(t.equals(B))return i;

}

return -1;

}

public int solution2(String A, String B) {

return (B+B).indexOf(A);

}

public String solution(String polynomial) {

String answer = "";

String[] a = polynomial.split(" ");

int x = 0;

int y = 0;

for (int i = 0; i < a.length; i+=2) {

if(a[i].contains("x")) {

x+=Integer.parseInt((a[i].substring(0,a[i].length()-1).equals(""))?"1":a[i].substring(0,a[i].length()-1));

}

else y+=Integer.parseInt(a[i]);

}

return x == 0 ? y==0 ? "0" : y+"" : x==1 ? y==0 ? "x" : "x + "+y : y==0 ? x+"x" : x+"x + "+y;

}

public String[] solution(String[] quiz) {

String[] answer = new String[quiz.length];

for (int i = 0; i < quiz.length; i++) {

String[] a =quiz[i].split(" ");

if(a[1].equals("+")) {

if(Integer.parseInt(a[0])+Integer.parseInt(a[2])==Integer.parseInt(a[4])) {

answer[i]="O";

}else answer[i]="X";

}else {

if(Integer.parseInt(a[0])-Integer.parseInt(a[2])==Integer.parseInt(a[4])) {

answer[i]="O";

}else answer[i]="X";

}

}

return answer;

}

public String[] solution2(String[] quiz) {

String[] answer = new String[quiz.length];

for (int i = 0; i < quiz.length; i++) {

String[] a = quiz[i].split(" ");

answer[i]=(Integer.parseInt(a[0]) + Integer.parseInt(a[2])*((a[1].equals("+"))?1:-1) == Integer.parseInt(a[4]))? "O":"X";

}

return answer;

}