求大佬帮助

BookofDeath @ 2019-03-03 22:29:42

#include<iostream>
#include<algorithm>
using namespace std;
int n,s,a,b,x[10010],y[10010],ans,sum;
int main()
{
    cin>>n>>s>>a>>b;
    for(int i=1;i<=n;i++)
    cin>>x[i]>>y[i];
    int t=a+b;
    for(int i=1;i<=n;i++)
    {
        if(x[i]>t)
        y[i]=s+1;
    }
    sort(y+1,y+n+1);
    for(int i=1;i<=n;i++)
    {
        int m;
        m=s;
        if(m>=y[i])
        {
            ans++;
            m-=y[i];
        }
    }
    cout<<ans<<endl;
    return 0;
}

by 时间重洗 @ 2019-03-03 22:35:23

@BookofDeath

#include<iostream>
#include<algorithm>
using namespace std;
int n,s,a,b,x[10010],y[10010],ans,sum;
int main()
{
    cin>>n>>s>>a>>b;
    for(int i=1;i<=n;i++)
    cin>>x[i]>>y[i];
    int t=a+b;
    for(int i=1;i<=n;i++)
    {
        if(x[i]>t)
        y[i]=s+1;
    }
    sort(y+1,y+n+1);
    for(int i=1;i<=n;i++)
    {
        if(s>=y[i])
        {
            ans++;
            s-=y[i];
        }
        else break;
    }
    cout<<ans<<endl;
    return 0;
}

by BookofDeath @ 2019-03-03 22:37:25

多谢