/in/foo.cc:3:30: error: 'INT_MIN' was not declared in this scope
 int n,m,a[2005],b[2005],maxn=INT_MIN,ans;
                              ^~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:13:23: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   if(b[i]=0||b[i]>maxn){
                       ^
/in/foo.cc:14:3: error: 'ans' was not declared in this scope
   ans+=1; 
   ^~~
/in/foo.cc:17:8: error: 'ans' was not declared in this scope
  cout<<ans;
        ^~~