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 发表于 2014-9-18 11:29:29
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| /***************** 求解n+(n+1)+(n+2)+...+(n+10)的和
 ********************/
 
 #include <stdio.h>
 
 void main()
 
 {
 int n;
 int i;
 int sum=0;
 printf ("请输入一个正整数\n");
 scanf("%d",&n);
 if (n<0||n>10)
 {
 printf ("请重新输入!\n");
 }
 else
 {
 for (i=0;i<=10;i++)
 {
 sum+=n+i;
 }
 }
 printf ("当n=%d时,结果为%d",n,sum);
 
 }
 
 
 
 
 /******************
 求解n+(n+1)+(N+2)+...+10
 ********************/
 #include <stdio.h>
 
 void main ()
 
 {
 int n;
 int i;
 int sum=0;
 printf ("请输入一个正整数:\n");
 scanf ("%d",&n);
 for (i=0;i<=10-n;i++)
 {
 sum +=n+i;
 }
 
 printf ("%d\n",sum );
 
 
 }
 
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