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如此的精简......

Posted by zjp at 2009-08-22 08:58:33 on Problem 1844
In Reply To:Re:好题啊， 赞一个 Posted by:zjp at 2009-08-22 08:48:33 
#include <stdio.h >
     int main ()
    {  
		int i=1;int s,sum=0;
        scanf("%d",&s); 
        while (sum<s||(sum-s)%2!=0)
			sum=sum+i++;
      printf("%d\n",i-1);
    
    }
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