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您的sum定义的__int64,输出的时候是%d....In Reply To:感觉很清晰了,可是为什么一直wa?帮忙看看 Posted by:yxysdcl at 2008-03-05 08:32:59 > #include <stdio.h>
> #include <memory.h>
> #define MAX 5010
> int price[MAX],dp[MAX];
> int count[MAX];
> bool on[65536];
>
>
> void DPLIS(int n)
> {
> int i,j,max=0;
> __int64 sum;
> for(i=1;i<n;i++)
> {
> for(j=i-1;j>=0;j--)
> {
> if(price[i]<price[j]&&dp[i]<dp[j]+1)
> dp[i]=dp[j]+1;
> if(max<dp[i])max=dp[i];
> }
> }
> for(i=0;i<n;i++)
> {
> if(dp[i]==1)
> count[i]=1;
> else{
> memset(on,false,sizeof(on));
> for(j=i-1;j>=0;j--)
> {
> if((dp[i]==dp[j]+1)&&on[price[j]]==false&&price[i]<price[j])
> {
> count[i]+=count[j];
> on[price[j]]=true;
> }
> }
> }
> }
> memset(on,false,sizeof(on));
> sum=0;
> for(i=n-1;i>=0;i--)
> {
> if(dp[i]==max&&on[price[i]]==false)
> {
> sum+=count[i];
> on[price[i]]=true;
> }
> }
> printf("%d %d\n",max,sum);
> }
>
> int main()
> {
> int i,n;
> //freopen("in.txt","r",stdin);
> scanf("%d",&n);
> for(i=0;i<n;i++)
> {
> scanf("%d",&price[i]);
> count[i]=0;
> dp[i]=1;
> }
> DPLIS(n);
> }
>
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