View Compilation Error

976844_0_0_2137.cpp: In function `int main()':
976844_0_0_2137.cpp:6: error: expected primary-expression before '%' token
976844_0_0_2137.cpp:6: error: `c' undeclared (first use this function)
976844_0_0_2137.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)