View Compilation Error

0_0_30380897_23774.cpp: In function 'int main()':
0_0_30380897_23774.cpp:60:13: error: 'ans' was not declared in this scope
             ans=min(now,ans);
             ^
0_0_30380897_23774.cpp:63:25: error: 'ans' was not declared in this scope
         printf("%lld\n",ans);
                         ^