제출 #636863

#제출 시각아이디문제언어결과실행 시간메모리
636863beaconmc이상한 기계 (APIO19_strange_device)Pypy 3
0 / 100
63 ms20164 KiB
from math import * n,a,b = map(int, input().split()) ranges = [] for i in range(n): ranges.append(list(map(int, input().split()))) k = (lcm(a,b+1)//(b+1)) * b new = [] ans = 0 flag = False for i in ranges: if i[1]-i[0]+1 >= k: flag = True if i[0]%k > i[1]%k: new.append([i[0]%k,k-1]) new.append([0,i[1]%k]) else: new.append([i[0]%k, i[1]%k]) new.sort() realnew = [] if flag: print(k) else: cur = k for i in range(len(new)): if not realnew: realnew.append(new[i]) continue if realnew[-1][1] >= new[i][0]: realnew[-1][1] = max(realnew[-1][1],new[i][1]) else: realnew.append(new[i]) for i in realnew: ans += i[1]-i[0]+1 print(ans)
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