Submission #3588825

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Source Code Expand

using System;
using System.Linq;

namespace ABC061_C
{
    class Program
    {
        static void Main(string[] args)
        {
            var NK = Console.ReadLine().Split().Select(int.Parse).ToArray();
            var N = NK[0];
            var K = NK[1];

            var m = new Model[N];
            var s = new long[N];
            for (int i = 0; i < N; i++)
            {
                m[i] = new Model();
                var ab = Console.ReadLine().Split().Select(int.Parse).ToArray();
                m[i].A = ab[0];
                m[i].B = ab[1];
            }

            m = m.OrderBy(x => x.A).ToArray();

            var ans = 0;
            for (int i = 0; i < N; i++)
            {
                s[i] = (i >= 1 ? s[i - 1] : 0) + m[i].B;
                if (s[i] >= K)
                {
                    ans = m[i].A;
                    break;
                }
            }

            Console.WriteLine(ans);
        }

        public class Model
        {
            public int A { get; set; }
            public int B { get; set; }
        }
    }
}

Submission Info

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