View Compilation Error

0_0_18158905_6865.cpp: In function 'long long int prime()':
0_0_18158905_6865.cpp:44:22: error: expected primary-expression before ']' token
             if((!vis[]u)&&way[v][u]<mincost[u]){
                      ^
0_0_18158905_6865.cpp:44:23: error: expected ')' before 'u'
             if((!vis[]u)&&way[v][u]<mincost[u]){
                       ^
0_0_18158905_6865.cpp:48:9: error: expected ')' before '}' token
         }
         ^
0_0_18158905_6865.cpp:48:9: error: expected primary-expression before '}' token