View Compilation Error

0_0_26578017_2579.cpp: In function 'int main()':
0_0_26578017_2579.cpp:172:30: error: 'cur' was not declared in this scope
     printf("%lld\n", K / A + cur);
                              ^
0_0_26578017_2579.cpp:175:21: error: 'cur' was not declared in this scope
     long long ans = cur;
                     ^