View Compilation Error

0_0_32377056_10476.c: In function 'main':
0_0_32377056_10476.c:24:13: error: 'k' undeclared (first use in this function)
      temp=a[k];
             ^
0_0_32377056_10476.c:24:13: note: each undeclared identifier is reported only once for each function it appears in