<음양더하기>
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | class Solution { public int solution(int[] absolutes, boolean[] signs) { int answer = 0; for(int i = 0; i < signs.length; i++){ if(signs[i]){ answer += absolutes[i]; } else { answer -= absolutes[i]; } } return answer; } } | cs |
<내적>
1 2 3 4 5 6 7 8 9 | class Solution { public int solution(int[] a, int[] b) { int sum = 0; for(int i=0;i<a.length;i++){ sum+= a[i]*b[i]; } return sum; } } | cs |
<예산>
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | import java.util.Arrays; class Solution { public int solution(int[] d, int budget) { int answer = 0; Arrays.sort(d); for(int n : d){ if(budget-n <0) break; budget -=n; answer++; } return answer; } } | cs |
