delete pics to save space

7.2828.cpp

@@ -0,0 +1,47 @@
+#include<cstdio>
+#include<cstring>
+#include<algorithm>
+using namespace std;
+const int maxn=200005;
+int n,pos[maxn],val[maxn],res[maxn],a[maxn];
+inline void add(int p,int v)
+{
+	for(;p<=n;p+=(p&-p)) a[p]+=v;
+}
+inline int sum(int p)
+{
+	int res=0;
+	for(;p;p-=(p&-p)) res+=a[p];
+	return res;
+}
+inline int query(int p)
+{
+	int L=1,R=n,M,res=R;
+	while(L<=R)
+	{
+		M=(L+R)>>1;
+		if(sum(M)>=p) R=M-1,res=M;
+		else L=M+1;
+	}
+	return res;
+}
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	while(scanf("%d",&n)==1)
+	{
+		for(int i=1;i<=n;i++) { scanf("%d%d",&pos[i],&val[i]); pos[i]++; }
+		memset(a,0,sizeof(a));
+		for(int i=1;i<=n;i++) add(i,1);
+		for(int i=n;i>=1;i--)
+		{
+			int p=query(pos[i]);
+			res[p]=val[i];
+			add(p,-1);
+		}
+		for(int i=1;i<=n;i++) printf("%d ",res[i]); puts("");
+	}
+	return 0;
+}