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- #include <iostream>
- #include <fstream>
- using namespace std;
- int main()
- {
- int n,m,x[1001],a[501],b[501],j,db=0;
- bool f=1;
- ifstream fin("BAC.DAT");
- fin>>n>>m;
- for(int i=0;i<n;i++)
- fin>>x[i];
- for(int i=0;i<m;i++)
- {
- fin>>a[i]>>b[i];
- if(a[i]>b[i])
- {
- a[i]=a[i]+b[i];
- b[i]=a[i]-b[i];
- a[i]=a[i]-b[i];
- }
- }
- fin.close();
- for(int i=0;i<m;i++)
- {
- j=0;
- f=1;
- while(j<n&&f)
- {
- if(x[j]>=a[i] && x[j]<=b[i])
- j++;
- else
- f=0;
- }
- if(f)
- db++;
- }
- cout<<db;
- return 0;
- }
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