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lines changed Original file line number Diff line number Diff line change 1+ function solution ( my_string ) {
2+ let arr = my_string . split ( ' ' ) ;
3+ let result = Number ( arr [ 0 ] ) ;
4+
5+ for ( let i = 1 ; i < arr . length ; i += 2 ) {
6+ const sign = arr [ i ] ;
7+ const num = Number ( arr [ i + 1 ] ) ;
8+
9+ if ( sign === '+' ) {
10+ result += num ;
11+ }
12+ if ( sign === '-' ) {
13+ result -= num ;
14+ }
15+ }
16+
17+ return result ;
18+ }
Original file line number Diff line number Diff line change 1+ function solution ( board , moves ) {
2+ let answer = 0 ;
3+ let stack = [ ] ;
4+
5+ for ( let move of moves ) {
6+ // moves 배열의 값을 인덱스로 사용하기 위해 1을 빼줍니다
7+ let col = move - 1 ;
8+
9+ // 해당 열에서 가장 위에 있는 인형을 찾습니다
10+ for ( let row = 0 ; row < board . length ; row ++ ) {
11+ if ( board [ row ] [ col ] !== 0 ) {
12+ let doll = board [ row ] [ col ] ;
13+
14+ // 인형을 집었으니 해당 위치를 0으로 변경
15+ board [ row ] [ col ] = 0 ;
16+
17+ // 스택의 최상단 인형과 같다면 두 인형을 터뜨립니다
18+ if ( stack [ stack . length - 1 ] === doll ) {
19+ stack . pop ( ) ;
20+ answer += 2 ;
21+ } else {
22+ stack . push ( doll ) ;
23+ }
24+ break ;
25+ }
26+ }
27+ }
28+
29+ return answer ;
30+ }
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