QOJ.ac
QOJ
Top Rated Accepted
#200: ucup-team3862
Accepted: : 211
#200: Wu_Ren
Accepted: : 211
#203: xlwang
Accepted: : 209
#204: ucup-team123
Accepted: : 207
#204: yyyyxh
Accepted: : 207
What is OI (O_o)?
#206: do_while_true
Accepted: : 204
#206: JiZhuan
Accepted: : 204
#206: ucup-team1565
Accepted: : 204
#209: new_dawn_2
Accepted: : 203
#209: ucup-team3634
Accepted: : 203
#211: ucup-team3953
Accepted: : 202
#212: Farmer_D
Accepted: : 201
#212: ucup-team1055
Accepted: : 201
#214: ucup-team1617
Accepted: : 200
#215: houzhiyuan
Accepted: : 199
#215: ucup-team1126
Accepted: : 199
#215: ucup-team3099
Accepted: : 199
#218: Nova_NightWind0311
Accepted: : 198
#218: ucup-team1002
Accepted: : 198
#218: ucup-team3188
Accepted: : 198
#221: dxbt
Accepted: : 197
#221: HuTao
Accepted: : 197
#223: qwq
Accepted: : 196
$\displaystyle \sum_{i=1}^n [i,i+1,\cdots, i+k] \pmod{10^9+7}$
#223: ucup-team029
Accepted: : 196
#223: ucup-team3966
Accepted: : 196
$$\underline{洹}我\underline{达}美\underline{乐}$$
#226: repoman
Accepted: : 195
$$\prod_{i=0}^{n-1} (1+q^iz) = \sum_{i=0}^n q^{i(i-1)/2}\binom ni_q z^i$$
#227: ucup-team1191
Accepted: : 193
#227: ucup-team5071
Accepted: : 193
#229: _map_
Accepted: : 192
map<problem_statement,vector<pair<oj,problem_id>>>
#230: nhuang685
Accepted: : 191
#230: ucup-team635
Accepted: : 191
#232: ucup-team4767
Accepted: : 190
#233: myee
Accepted: : 189
与其诺诺以顺，不若谔谔以昌
#234: ucup-team026
Accepted: : 187
#234: ucup-team1766
Accepted: : 187
#234: ucup-team2819
Accepted: : 187
#237: DitaMirika
Accepted: : 186
Face the fear,make the future.
#237: ucup-team1001
Accepted: : 186
utopian
#239: feecle6418
Accepted: : 181
gyh ak ioi
#239: wsc2008
Accepted: : 181
#241: mendicillin2
Accepted: : 180
#241: monstersqwq
Accepted: : 180
#241: ucup-team3583
Accepted: : 180
#241: ucup-team5101
Accepted: : 180
#245: arnold518
Accepted: : 177
#245: ucup-team2262
Accepted: : 177
#247: Flamire
Accepted: : 176
#247: shinonome_ena
Accepted: : 176
#247: ucup-team1376
Accepted: : 176
CJOIers?
#247: ucup-team2454
Accepted: : 176
#247: ucup-team3474
Accepted: : 176
#252: zhangboju
Accepted: : 175
短暂登上首页并即将掉下来
#253: masterhuang
Accepted: : 174
菜
#253: ucup-team5243
Accepted: : 174
#255: A_programmer
Accepted: : 173
#255: JWRuixi
Accepted: : 173
#255: ucup-team5015
Accepted: : 173
#258: C1942huangjiaxu
Accepted: : 172
#259: eyiigjkn
Accepted: : 171
#259: ucup-team1400
Accepted: : 171
#261: ucup-team5885
Accepted: : 170
#262: caijianhong
Accepted: : 169
#262: makrav
Accepted: : 169
#262: ucup-team3774
Accepted: : 169
#265: willow
Accepted: : 167
#265: yuanruiqi
Accepted: : 167
#267: ucup-team3627
Accepted: : 165
#267: ucup-team3670
Accepted: : 165
#267: wcyQwQ
Accepted: : 165
#267: Wuyanru
Accepted: : 165
Celeste 好玩
#271: Appleblue17
Accepted: : 164
#271: gg_gong
Accepted: : 164
Who am I? Why am I here?
#271: ucup-team118
Accepted: : 164
#274: QBF
Accepted: : 163
#274: ucup-team1332
Accepted: : 163
#274: wdnmdwrnmmp
Accepted: : 163
#277: gyydp123_LIM
Accepted: : 162
And in that light I find deliverance
#277: pengpeng_fudan
Accepted: : 162
#277: ucup-team1137
Accepted: : 162
#280: huaxiamengjin
Accepted: : 161
#280: NKheyuxiang
Accepted: : 161
#280: ucup-team3734
Accepted: : 161
#280: ucup-team456
Accepted: : 161
#280: ucup-team660
Accepted: : 161
#280: xyj
Accepted: : 161
#286: cooluo
Accepted: : 160
π⁴+π⁵≈e⁶ | Per Aspera Ad Astra
#286: real_sigma_team
Accepted: : 160
#286: Yarema
Accepted: : 160
#286: zlxFTH
Accepted: : 160
#290: lgvc
Accepted: : 159
#290: Sa3tElSefr
Accepted: : 159
leh
#292: lonelywolf
Accepted: : 158
#292: ucup-team3584
Accepted: : 158
#294: jiangzhihui
Accepted: : 157
#294: Misuki
Accepted: : 157
$E[X] = \sum\limits_{k \ge 0} Pr[X > k]$
#294: tzl_Dedicatus545
Accepted: : 157
忙碌着 无为着 继续
#294: ucup-team017
Accepted: : 157
#298: ucup-team3746
Accepted: : 156
#299: liuhengxi
Accepted: : 155
#299: Purslane
Accepted: : 155
梦的边陲 风吹不灭 从不感疲惫