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    Re:這倆個都能運行為啥第一個能ac,第二個不能ac

    Posted by youshumin at 2017-12-28 11:04:46 on Problem 1001
    (2496)  


    #include <stdio.h> 
    int main()
    {
    	int i,n;
    	int sum;
    	while(scanf("%d",&n)!=EOF)
    	{
    		sum=0;
    		for(i=0;i<=n;i++)
    		sum+=i;
    		printf("%d\n\n",sum);
    	}
    	return 0;
    }


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