普排会超
```cpp
#include<bits/stdc++.h>
using namespace std;
struct sb{
int xi,yi;
}a[10001];
int cmp(sb a,sb b){
return a.yi<b.yi;
}
int main()
{
//freopen(".in","r",stdin);
//freopen(".out","w",stdout);
int n,s,c,b,i,ans=0;
cin>>n>>s>>c>>b;
for(i=1;i<=n;i++)
cin>>a[i].xi>>a[i].yi;
sort(a+1,a+1+n,cmp);
for(i=1;i<=n;i++){
if(c+b>=a[i].xi&&s>=a[i].yi){
ans++;
s-=a[i].yi;
}
}
cout<<ans;
return 0;
}
```
by 我爱罗 @ 2017-11-27 22:22:11
@[我很帅](/space/show?uid=56283)
给你个吻
by Far_Cry @ 2017-11-28 12:23:14