View Compilation Error

0_0_17837616_15139.cpp: In function 'int main()':
0_0_17837616_15139.cpp:86:16: error: expected ']' at end of input
   up(ans,a[x-4%5
                ^
0_0_17837616_15139.cpp:86:16: error: expected ')' at end of input
0_0_17837616_15139.cpp:86:16: error: expected '}' at end of input
0_0_17837616_15139.cpp:86:16: error: expected '}' at end of input