View Compilation Error

0_0_18035877_16979.cpp: In function 'int main()':
0_0_18035877_16979.cpp:50:39: error: 'oir' was not declared in this scope
         dp[i + 1][(k - l + 10) % 10][(oir[i + 3] - m + 10) % 10] = min(dp[i + 1][(k - l + 10) % 10][(ori[i + 3] - m + 10) % 10], dp[i][j][k] + yy);
                                       ^