stationofldyc @ 2017-07-25 21:36:28
200000^3 * 10^6>>2^63
by M_seа @ 2017-08-25 22:07:23
似乎并没有
by dyxx @ 2017-08-27 11:36:56
为啥是200000^3*10^6?
n <= 200000, m <= 200000, w[i] <= 10^6
j <= n设t =∑ w[j] <= 2 * 10^11
j = 1ans = mt <= 2*10^5*2*10^11=4*10^16 < 2^17-1 = 9.223372036854885817*10^17