View Compilation Error

0_0_14610834_20553.cpp: In function 'int solve()':
0_0_14610834_20553.cpp:22:3: error: expected primary-expression before '%' token
   %0
   ^
0_0_14610834_20553.cpp:22:4: error: expected '}' at end of input
   %0
    ^
0_0_14610834_20553.cpp:22:4: error: expected '}' at end of input
0_0_14610834_20553.cpp:22:4: error: expected '}' at end of input