public static void Main()
for(int o = 1;o <= 10;o++)
Console.WriteLine("{0}番点数は?:",o);
int x = Convert.ToInt32(Console.ReadLine());
else if(n2 == 0 && n1 > 0)
else if(n3 == 0 && n2 > 0)
else if(n4 == 0 && n3 > 0)
else if(n5 == 0 && n4 > 0)
Console.WriteLine("エラー:点数を入力してください");
else if(x >= 70 && x < 90)
else if(x >= 90 && x <= 100)
Console.WriteLine("全員の点と評価");
Console.WriteLine("1番:{0},{1}",n1,s1);
Console.WriteLine("2番:{0},{1}",n2,s2);
Console.WriteLine("3番:{0},{1}",n3,s3);
Console.WriteLine("4番:{0},{1}",n4,s4);
Console.WriteLine("5番:{0},{1}",n5,s5);
Console.WriteLine("6番:{0},{1}",n1,s6);
Console.WriteLine("7番:{0},{1}",n1,s7);
Console.WriteLine("8番:{0},{1}",n1,s8);
Console.WriteLine("9番:{0},{1}",n1,s9);
Console.WriteLine("10番:{0},{1}",n1,s10);