View Compilation Error

0_0_21813094_28221.cpp:31:24: error: expected ',' or '...' before '%' token
 void Link(int &u, int l%
                        ^
0_0_21813094_28221.cpp:31:24: error: expected ')' at end of input
0_0_21813094_28221.cpp:31:24: error: expected initializer at end of input