View Compilation Error

0_0_18233698_15896.cpp: In function 'int main()':
0_0_18233698_15896.cpp:65:27: error: expected initializer before '%' token
   int ans = sam.root, pos %3
                           ^
0_0_18233698_15896.cpp:65:28: error: expected '}' at end of input
   int ans = sam.root, pos %3
                            ^
0_0_18233698_15896.cpp:65:28: error: expected '}' at end of input