delete pics to save space

history_source/挑战程序设计竞赛/2.3.2.2.cpp

@@ -0,0 +1,32 @@
+#include<cstdio>
+#include<algorithm>
+using namespace std;
+const int MAXN=100,MAXV=100;
+int n,W;
+int w[MAXN+1],v[MAXN+1];
+int dp[MAXN+1][MAXN*MAXV+1];
+inline int max(int a,int b){return a>b?a:b;}
+void solve()
+{
+	fill(dp[0],dp[0]+MAXN*MAXV+1,1<<30);
+	dp[0][0]=0;
+	for(int i=0;i<n;i++)
+		for(int j=0;j<=MAXN*MAXV;j++)
+		if(j<v[i]) dp[i+1][j]=dp[i][j];
+		else dp[i+1][j]=min(dp[i][j],dp[i][j-v[i]]+w[i]);
+	int res=0;
+	for(int i=0;i<=MAXN*MAXV;i++) if(dp[n][i]<=W) res=i;
+	printf("%d\n",res);
+}
+void init()
+{
+	scanf("%d",&n);
+	for(int i=0;i<n;i++) scanf("%d%d",w+i,v+i);
+	scanf("%d",&W);
+}
+int main()
+{
+	init();
+	solve();
+	return 0;
+}