0_0_31343939_25103.cpp: In function 'int main()':
0_0_31343939_25103.cpp:25:40: error: 'upper_bound' was not declared in this scope
{it=upper_bound(q.begin(),q.end(),x);q.insert(it,x);}
^
0_0_31343939_25103.cpp:40:40: error: 'upper_bound' was not declared in this scope
it=upper_bound(q.begin(),q.end(),x);
^
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