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关于题目某些数据的范围客户要求的邮票总值范围是<=62的,每张邮票的面值<=3,本人二分测的,测试程序如下,如有任何疑问,请保留···
#include<cstdio>
#include<algorithm>
#include<string>
#include<iostream>
#include<cmath>
#include<vector>
#include<fstream>
#include<map>
#include<queue>
using namespace std;
int ans[63][8],p[25],a[4],n;
char h[4];
void orz(int sum,int index,int pre,int cnt,int dcnt)
{
if(index>=n) return;
orz(sum,index+1,pre,cnt,dcnt);
if(index!=pre) {dcnt++; pre=index;}
a[cnt]=p[index];
cnt++;
sum+=p[index];
if(dcnt==ans[sum][0]&&cnt==ans[sum][1]&&p[index]==ans[sum][2]) ans[sum][3]=1;
else if(dcnt>ans[sum][0]||dcnt==ans[sum][0]&&cnt<ans[sum][1]||dcnt==ans[sum][0]&&cnt==ans[sum][1]&&p[index]>ans[sum][2])
{
ans[sum][0]=dcnt; ans[sum][1]=cnt; ans[sum][2]=p[index]; ans[sum][3]=0;
for(int i=4;i<4+cnt;i++) ans[sum][i]=a[i-4];
}
if(cnt!=4) orz(sum,index,pre,cnt,dcnt);
}
int main()
{
int tmp;
while(scanf("%d",&tmp)!=EOF)
{
n=0;
memset(h,0,sizeof(h));
for(int i=0;i<63;i++) ans[i][0]=-1;
do
{
if(tmp==0) break;
if(h[tmp]<5) {p[n++]=tmp; h[tmp]++;}
}while(scanf("%d",&tmp)!=EOF);
sort(p,p+n);
orz(0,0,-1,0,0);
while(scanf("%d",&tmp)&&tmp)
{
if(ans[tmp][0]==-1) printf("%d ---- none\n",tmp);
else if(ans[tmp][3]) printf("%d (%d): tie\n",tmp,ans[tmp][0]);
else
{
printf("%d (%d):",tmp,ans[tmp][0]);
for(int i=0;i<ans[tmp][1];i++) printf(" %d",ans[tmp][4+i]);
putchar('\n');
}
}
}
};
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