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- #include<bits/stdc++.h>
- using namespace std;
- int main()
- {
- int s,n,i,j,k,c,a[100000],b[100000];
- cin>>s>>n;
- for(i=0; i<n; i++)
- {
- cin>>a[i]>>b[i];
- }
- sort(a,a+n);
- c=0;
- if(n==1)
- {
- if(a[0]<s)
- c++;
- }
- else if(a[0]<s)
- {
- for(i=0; i<n; i++)
- {
- if(a[i]<s)
- {
- s=s+b[i];
- c++;
- cout<<"s1"<<s<<"C"<<c<<endl;
- }
- }
- }
- else
- {
- for(i=n; i>0; i--)
- {
- if(a[i]<s)
- {
- cout<<a[i]<<endl;
- s=s+b[i];
- c++;
- cout<<"s2"<<s<<"C"<<c<<endl;
- }
- }
- }
- if(c>0)
- {
- cout<<"YES"<<endl;
- }
- else
- {
- cout<<"NO"<<endl;
- }
- return 0;
- }
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