View Compilation Error

0_0_16444652_19398.cpp: In function 'double dfs(int, double)':
0_0_16444652_19398.cpp:59:27: error: expected primary-expression before '%' token
     if(--gap[dis[u]]==0)  %0
                           ^
0_0_16444652_19398.cpp:59:28: error: expected '}' at end of input
     if(--gap[dis[u]]==0)  %0
                            ^