문자열 곱하기function solution(my_string, k) { let result = ""; for (let i = 0; i 신고 결과 받기function solution(id_list, report, k) { var answer = []; let reportInfo = {}; let reportCount = {}; let mailCount = {}; //유저 정보 저장하기 for (let i = 0; i = k) { for (let reporter in reportInfo) { if (reportInfo[reporter][reportedUser]) { mailCount[reporter]++; } } } } f..