From 8983f81bfee0f5e9b2f79c9941f0fe95c4cac266 Mon Sep 17 00:00:00 2001
From: Kirito <1362050620@qq.com>
Date: Sun, 22 May 2016 16:20:35 +0800
Subject: [PATCH] Create 1276_funCfans.cpp

From http://poj.org/showmessage?message_id=346125
---
 POJ/1276_funCfans.cpp | 58 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 POJ/1276_funCfans.cpp

diff --git a/POJ/1276_funCfans.cpp b/POJ/1276_funCfans.cpp
new file mode 100644
index 0000000..985b577
--- /dev/null
+++ b/POJ/1276_funCfans.cpp
@@ -0,0 +1,58 @@
+#include<stdio.h>
+#include<string.h>
+#include<stdlib.h>
+struct q
+{
+	int a,p;
+};
+int cmp(const void *a,const void *b)
+{
+	return (*(q*)a).p-(*(q*)b).p;
+}
+int main()
+{
+	q qs[11];
+	int cash,n,i,j,con[100001];
+	char dp[100001];
+	while(scanf("%d%d",&cash,&n)==2)
+	{
+		if(!n)
+		{
+			putchar('0');putchar('\n');
+			continue;
+		}
+		for(i=0;i<n;i++)
+		{
+			scanf("%d%d",&(qs[i].a),&(qs[i].p));//a[i]是钞票数，p[i]是钞票面值
+		}
+		qs[n].a=0;
+		if(!cash)
+		{
+			putchar('0');putchar('\n');
+			continue;
+		}
+		qsort(qs,n,sizeof(q),cmp);//先规划小面额的dp末尾不会出现错误
+		memset(dp,0,sizeof(dp));
+		memset(con,0,sizeof(con));
+		dp[cash]=1;
+		con[cash]=qs[0].a;
+		for(i=0;i<n;i++)
+		{
+			for(j=cash;j>=qs[i].p;j--)
+			{
+				if(dp[j])
+				{
+					if(con[j] && !dp[j-qs[i].p])
+					{
+						con[j-qs[i].p]=con[j]-1;
+						dp[j-qs[i].p]=1;
+					}
+					con[j]=qs[i+1].a;
+				}
+			}
+		}
+		for(i=0;!dp[i];i++);
+		printf("%d\n",cash-i);
+	}
+	return 0;
+}