View Compilation Error

0_0_21207919_31438.cpp: In function 'bool Gauss()':
0_0_21207919_31438.cpp:440:31: error: expected primary-expression before '%' token
  for (k=c=0;k<n&&c<n;k++,c++){%
                               ^
0_0_21207919_31438.cpp:440:31: error: expected primary-expression at end of input
0_0_21207919_31438.cpp:440:31: error: expected '}' at end of input
0_0_21207919_31438.cpp:440:31: error: expected '}' at end of input