View Compilation Error

0_0_32040830_25198.cpp: In function 'int line(int)':
0_0_32040830_25198.cpp:23:34: error: expected primary-expression before '%' token
         if(edge[u][v] && !vis[v])%7
                                  ^
0_0_32040830_25198.cpp:23:35: error: expected '}' at end of input
         if(edge[u][v] && !vis[v])%7
                                   ^
0_0_32040830_25198.cpp:23:35: error: expected '}' at end of input