Graph Connectivity

Problem Number: 
459
Type of Problem: 
Problem code: 
Problem Category: 
Input: 
Random Input
Critical Input
0
Critical Input: 
1 E AB CE DB EC
Random Input: 
7 E AB CE DB EC G AB CE DB EC EF GG Z AC AD AE AI AL AM AN AO AQ AS AV AW AX AY BF BH BJ BK BL BM BN BO BP BQ BR BU BV BW BY CE CG CI CJ CM CP CT CU CV CY DF DG DJ DK DL DM DN DO DQ DV DX EF EH EK EL EM EN EO ER ES ET EU EY EZ FG FH FI FJ FM FN FO FP FR FU FW FY FZ GH GL GM GP GQ GR GS GZ HI HJ HK HL HQ HR HS HV HW HY IK IM IO IP IR IU IV IX IY IZ JK JL JM JN JR JW KM KO KP KR KS KX KY KZ LO LP LQ LR LY MN MO MP MR MT MU MV MX MZ NP NR NT NV NY OQ OV OW OX PR PS PT PV PW PX PY PZ QR QT QV QY RT RU RW RY RZ ST SV SZ TX TY TZ UW UY UZ VW WZ XY XZ E AE EC CB BD F AB BC CA DE EF FD Z C AB
Flag: 
0
Restrict Problem Hints: 
0
Restrict Problem Inputs: 
0
Problem Id: 
459