2019ICPC-Nanchang

09-20

2014ICPC-Anshan

09-20

2019ICPC-Shenyang

09-19

CF-1215E

09-18

2019ICPC-Shanghai

09-16

2018ICPC-Ningxia

09-13

CF-1152

08-27

CF-1203F

08-15

HDU-6635

08-08

HDU-6592

08-07