115A codeforces-115A-Party A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. Employee A is the immediate manager of empl... 데이터 구조나무.codeforces115A
codeforces-115A-Party A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. Employee A is the immediate manager of empl... 데이터 구조나무.codeforces115A