View Compilation Error

0_0_37832456_11822.cpp: In function 'int main()':
0_0_37832456_11822.cpp:126:5: error: 'else' without a previous 'if'
     else ans[i]=A[num[l]-i]*inv[i]%P*inv[num[l]-2*i]%P,ans[i]=(ans[i]+A[num[l]-i-1]*inv[i-1]%P*inv[num[l]-2*i])%P;
     ^