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24 lines
383 B
C#
24 lines
383 B
C#
using System;
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namespace _116A
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{
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class Program
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{
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static void Main(string[] args)
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{
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int n = int.Parse(Console.ReadLine());
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int max = 0, cur = 0;
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for (int i = 0; i < n; i++)
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{
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int[] a = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
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cur = cur - a[0] + a[1];
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if (cur > max)
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{
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max = cur;
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}
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}
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Console.WriteLine(max);
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}
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}
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}
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