File list (Check if you may need any files):
PKU_code
........\1000-1999
........\.........\1000-1099
........\.........\.........\PKU1000.cpp
........\.........\.........\PKU1001.java
........\.........\.........\PKU1002.java
........\.........\.........\PKU1003.cpp
........\.........\.........\PKU1004.cpp
........\.........\.........\PKU1005.java
........\.........\.........\PKU1006.cpp
........\.........\.........\PKU1007.java
........\.........\.........\PKU1008.cpp
........\.........\.........\PKU1011.cpp
........\.........\.........\PKU1012.cpp
........\.........\.........\PKU1013.cpp
........\.........\.........\PKU1014.cpp
........\.........\.........\PKU1017.java
........\.........\.........\PKU1018.cpp
........\.........\.........\PKU1019.java
........\.........\.........\PKU1028.cpp
........\.........\.........\PKU1029.cpp
........\.........\.........\PKU1032.java
........\.........\.........\PKU1035.cpp
........\.........\.........\PKU1042.cpp
........\.........\.........\PKU1045.cpp
........\.........\.........\PKU1046.cpp
........\.........\.........\PKU1047.java
........\.........\.........\PKU1050.cpp
........\.........\.........\PKU1056.cpp
........\.........\.........\PKU1059.cpp
........\.........\.........\PKU1060.cpp
........\.........\.........\PKU1061.cpp
........\.........\.........\PKU1062.cpp
........\.........\.........\PKU1063.cpp
........\.........\.........\PKU1064.cpp
........\.........\.........\PKU1065.cpp
........\.........\.........\PKU1067.cpp
........\.........\.........\PKU1068.cpp
........\.........\.........\PKU1079.cpp
........\.........\.........\PKU1080.cpp
........\.........\.........\PKU1083.cpp
........\.........\.........\PKU1087.cpp
........\.........\.........\PKU1088.cpp
........\.........\.........\PKU1089.cpp
........\.........\.........\PKU1090.cpp
........\.........\.........\PKU1094.cpp
........\.........\1100-1199
........\.........\.........\PKU1106.cpp
........\.........\.........\PKU1111.cpp
........\.........\.........\PKU1113.cpp
........\.........\.........\PKU1118.cpp
........\.........\.........\PKU1125.cpp
........\.........\.........\PKU1131.java
........\.........\.........\PKU1132.cpp
........\.........\.........\PKU1142.cpp
........\.........\.........\PKU1146.cpp
........\.........\.........\PKU1147.cpp
........\.........\.........\PKU1152.cpp
........\.........\.........\PKU1154.cpp
........\.........\.........\PKU1157.cpp
........\.........\.........\PKU1159.cpp
........\.........\.........\PKU1163.java
........\.........\.........\PKU1164.cpp
........\.........\.........\PKU1166.cpp
........\.........\.........\PKU1178.cpp
........\.........\.........\PKU1182.cpp
........\.........\.........\PKU1183.cpp
........\.........\.........\PKU1188.cpp
........\.........\.........\PKU1190.cpp
........\.........\1200-1299
........\.........\.........\PKU1200.cpp
........\.........\.........\PKU1201.cpp
........\.........\.........\PKU1207.java
........\.........\.........\PKU1217.cpp
........\.........\.........\PKU1218.cpp
........\.........\.........\PKU1220.cpp
........\.........\.........\PKU1221.cpp
........\.........\.........\PKU1222.cpp
........\.........\.........\PKU1228.cpp
........\.........\.........\PKU1241.cpp
........\.........\.........\PKU1243.java
........\.........\.........\PKU1247.java
........\.........\.........\PKU1248.cpp
........\.........\.........\PKU1250.cpp
........\.........\.........\PKU1251.cpp
........\.........\.........\PKU1252.cpp
........\.........\.........\PKU1254.cpp
........\.........\.........\PKU1256.cpp
........\.........\.........\PKU1258.cpp
........\.........\.........\PKU1260.cpp
........\.........\.........\PKU1265.cpp
........\.........\.........\PKU1273.cpp
........\.........\.........\PKU1274.cpp
........\.........\.........\PKU1277.cpp
........\.........\.........\PKU1283.cpp
........\.........\.........\PKU1287.cpp
........\.........\.........\PKU1298.java
........\.........\.........\PKU1299.java
........\.........\1300-1399
........\.........\.........\PKU1304.cpp