delete pics to save space

history_source/挑战程序设计竞赛/2.3.2.4.cpp

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+#include<cstdio>
+#include<algorithm>
+#define INF ((int)1<<31-1)
+using namespace std;
+int n,a[1005],dp[1005];
+void solve()
+{
+	fill(dp,dp+n,INF);
+	for(int i=1;i<n;i++)
+		*lower_bound(dp,dp+n,a[i])=a[i];
+	printf("%d\n",lower_bound(dp,dp+n,INF)-dp);
+}
+void init()
+{
+	scanf("%d",&n);
+	for(int i=0;i<n;i++) scanf("%d",a+i);
+}
+int main()
+{
+	init();
+	solve();
+	return 0;
+}
+/*
+5
+4 2 3 1 5
+*/