View Compilation Error

0_0_30112531_13240.cpp: In function 'int main()':
0_0_30112531_13240.cpp:45:5: error: 'tmp' was not declared in this scope
     tmp = p[(i + 1 + j) % n];
     ^
0_0_30112531_13240.cpp:46:5: error: 'pat' was not declared in this scope
     pat = p[(i - j + n) % n];
     ^