delete pics to save space

history_source/信息学奥赛一本通/2.9.2.2.cpp

@@ -0,0 +1,30 @@
+#include<cstdio>
+int dp[25][1005],a[25];
+int n,t;
+int main()
+{
+	scanf("%d%d",&n,&t);
+	for(int i=0;i<n;i++) scanf("%d",a+i);
+	dp[0][0]=1;
+	dp[0][a[0]]=1;
+//	printf(" 0: ");
+//	for(int j=0;j<=t;j++) printf("%5d",dp[0][j]);
+//	printf("\n");
+	for(int i=1;i<n;i++)
+	{
+//		printf("%2d: ",i);
+		for(int j=0;j<=t;j++)
+		{
+			if(j<a[i]) dp[i][j]=dp[i-1][j];
+			else dp[i][j]=dp[i-1][j]+dp[i-1][j-a[i]];
+//			printf("%5d",dp[i][j]);
+		}
+//		printf("\n");
+	}
+	printf("%d\n",dp[n-1][t]);
+	return 0;
+}
+/*
+5 5
+1 2 3 4 5
+*/