push strings into vectors .
v . push_back ( s1 ) ; v . push_back ( s2 ) ; v . push_back ( s3 ) ; v . push_back ( s4 ) ; v . push_back ( s5 ) ; int m = v [ 0 ] . size ( ) ; cout << MaxLength ( v , 0 , m ) + 1 << endl ; return 0 ; }