Submission #1237228

#	Time	Username	Problem	Language	Result	Execution time	Memory
1237228		denislav	Sails (IOI07_sails)	C++20	30 / 100	1095 ms	1256 KiB

sails

# include <iostream>
# include <algorithm>
using namespace std;

const int MAX=1e5+11;

int n;
pair<int,int> a[MAX];
int c[MAX];
bool ban[MAX];

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);

    cin>>n;
    for(int i=1;i<=n;i++) cin>>a[i].first>>a[i].second;
    sort(a+1,a+n+1);

    long long ans=0;
    for(int t=1;t<=n;t++)
    {
        for(int i=a[t].first;i>=1;i--) ban[i]=0;
        while(a[t].second--)
        {
            int pos=-1;
            for(int i=1;i<=a[t].first;i++)
            {
                if(ban[i]) continue;
                if(pos==-1 or c[i]<c[pos]) pos=i;
            }
            ans+=c[pos];
            c[pos]++;
            ban[pos]=1;
        }
    }

    cout<<ans<<"\n";

    return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10
• Subtask 11: 0 / 10