View Compilation Error

0_0_38913112_19827.cpp: In function 'int main()':
0_0_38913112_19827.cpp:33:33: error: 'tmp' was not declared in this scope; did you mean 'tmo'?
   33 |                                 tmp=1+rnd()%n,sum1+=ff[tmp]*w1[tmp],sum2+=ff[tmp]*v1[tmp],ff[tmp]=-ff[tmp];
      |                                 ^~~
      |                                 tmo