delete pics to save space

1.2285.cpp

@@ -0,0 +1,31 @@
+#include<cstdio>
+#include<algorithm>
+using namespace std;
+const int maxm=10005;
+int n,m,t[maxm],x[maxm],y[maxm],f[maxm],res;
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	scanf("%d%d",&n,&m);
+	for(int i=1;i<=m;i++) scanf("%d%d%d",&t[i],&x[i],&y[i]);
+	for(int i=1;i<=m;i++)
+	{
+		f[i]=1;
+		for(int j=1;j<i;j++)
+			if(t[i]-t[j]>=abs(x[i]-x[j])+abs(y[i]-y[j]))
+				f[i]=max(f[i],f[j]+1);
+		res=max(res,f[i]);
+	}
+	printf("%d\n",res);
+	return 0;
+}
+{0,1,0,0,0,0,0,1},
+{1,0,1,0,0,0,0,0},
+{0,1,0 1,0,0,0,0},
+{0,0,1 0,0,0,0,0},
+{0,0,0 1,0,1,0,0},
+{0,0,0 0,0,0,1,0},
+{0,0,0 0,0,1,0,1},
+{1,0,0 0,0,0,1,0}