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少了那句会WA的吧……In Reply To:再次感觉到Optimize的力量…… Posted by:Renegade at 2006-03-27 16:59:52 > #include<iostream> > #include<algorithm> > using namespace std; > int i,j,n,l,item[100005],bc,sp; > bool opt; > bool cmp(const int a,const int b) > { > return a>b; > } > int main() > { > scanf("%d%d",&n,&l); > for(i=0;i<n;i++)scanf("%d",item+i); > sort(item,item+n,cmp); > bc=n-1; > sp=0; > do{ > opt=false; > for(i=sp;i<bc;i++){ > if(item[i]+item[bc]<=l){ > opt=true; > bc--; > sp=i+1; //有胆的去掉这一句试试看,呵呵 > break; > } > } > }while(opt==true); > printf("%d\n",bc+1); > } Followed by:
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