codeforces1199C
codeforces1198B
codeforces1197A
codeforces1197B
codeforces1197C
codeforces1197D
codeforces1198C
codeforces1201A
codeforces1201B
codeforces1201C
codeforces1189A
codeforces1189B
codeforces1189C
codeforces1189D1
codeforces1189E
codeforces1187A
codeforces1202A
codeforces1202B
codeforces1186A
codeforces1202D
codeforces1186C
codeforces1186D
codeforces1186F
codeforces1203A
codeforces1203C
codeforces1203B
codeforces1203D1
codeforces1206A
codeforces1206B
codeforces1206C
codeforces1204B
codeforces1204A
codeforces1204C
codeforces1207A
codeforces1207B
codeforces1207C
codeforces1207D
羅区P3379
羅区P3383
羅区P1583
羅区P3369
羅区P3809
羅区P3835
HDU6183
HDU2586
POJ1470
POJ1330
HDU4547
HDU1506
HDU6601
Gym102219A
UVA213
UVA11809
UVA220
UVA253
UVA1590
UVA815
UVA10474
UVA101
UVA10815
UVA156
UVA12096
UVA540
UVA136
UVA400
UVA1592