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明白了,k=1是REIn Reply To:那我就实在不知道为什么RE了? Posted by:jackie_wyx at 2006-12-11 13:25:06 > #include <stdio.h>
>
> main()
> {
> __int64 a[100010];
> __int64 i,n,k,t,sum,tb,te;
>
> while((scanf("%I64d",&n))!=EOF)
> {
> tb=1;
> te=0;
> for(i=1;i<=n;i++)
> {
> scanf("%I64d",&a[i]);
> if(a[i]>te) te=a[i];
> }
> scanf("%I64d",&k);
> while(tb!=te)
> {
> sum=0;
> t=(tb+te)/2;
> for(i=1;i<=n;i++)
> {
> if(a[i]>t) sum+=((a[i]-t-1)/(k-1))+1;
> }
> if(sum>t) tb=t+1;
> else te=t;
> }
> printf("%I64d\n",te);
> }
>
> return(0);
> }
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