foo.cc: In function 'int main()':
foo.cc:68:28: error: 'minn' was not declared in this scope
   68 |                         if(minn==a[i]){
      |                            ^~~~
foo.cc:41:13: warning: unused variable 'ans' [-Wunused-variable]
   41 |         int ans=0;
      |             ^~~

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