View Compilation Error

0_0_35527025_22204.cpp: In function 'int main()':
0_0_35527025_22204.cpp:10:1: error: 'c' was not declared in this scope
 c[i]=a[i]+b[i];
 ^
0_0_35527025_22204.cpp:14:7: error: 'c' was not declared in this scope
 cout<<c[i];
       ^