Submission #1110244

#	Time	Username	Problem	Language	Result	Execution time	Memory
1110244		vjudge1	Ski 2 (JOI24_ski2)	C++98	0 / 100	1 ms	336 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int n;
pair<long long,long long> a[305];
int b[305];
long long k;

bool cmp(pair<long long,long long> a,pair<long long,long long>b)
{
    if(a.first>b.first) return false;
    if(a.first<b.first) return true;
    return a.second>b.second;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> k;
    for(int i=0;i<n;i++)
    {
        cin >> a[i].first >> a[i].second;
        b[i]=1;
    }
    sort(a,a+n);
    long long res=0;
    for(int i=1;i<n;i++)
    {
        if(a[i].first==a[0].first)
        {
            res+=k;
            a[i].first++;
        }
        else break;
    }
    sort(a,a+n,cmp);
    int mn=0;
    for(int i=1;i<n;i++)
    {
        if(b[mn]==0)
        {
            res+=a[mn].second;
        }
        else b[mn]--;
        if(a[i].first!=a[i+1].first)
        {
            if(a[mn].second>a[i].second) mn=i;
        }
    }
    cout << res;
    return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 12
• Subtask 3: 0 / 9
• Subtask 4: 0 / 33
• Subtask 5: 0 / 27
• Subtask 6: 0 / 14