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| #include<stdio.h>
#include<algorithm>
#define N 100000+100
#define M 21 // log(N)
typedef long long LL;
using namespace std;
struct Input {
int sta,s,t,k;
} q[N+N+N];
struct Node {
int val,id;
} a[N];
int n,m,tr[M][N],C[N],b[N];
int cmp(Node aa, Node bb) {
if(aa.val < bb.val || (aa.val == bb.val && aa.id < bb.id)) return 1;
return 0;
}
int lowbit(int x) {
return x&(-x);
}
void change(int x, int y) {
while(x <= n) {
C[x] += y; x += lowbit(x);
}
}
int cal(int x) {
int t=0;
while(x > 0) {
t += C[x]; x -= lowbit(x);
}
return t;
}
void build_tree(int dep, int s, int t)
{
if(s >= t) return;
int i,j,k,mid = (s+t)/2;
j = s; k = mid+1;
for(i=s;i<=t;i++)
{
if(tr[dep][i] <= mid)
tr[dep+1][j++] = tr[dep][i];
else
tr[dep+1][k++] = tr[dep][i];
tr[dep][i] = j-1;
}
build_tree(dep+1, s, mid);
build_tree(dep+1, mid+1, t);
}
int find_tree(int dep, int s, int t, int i, int j, int k)
{
if(s == t) return s;
int ci, mid = (s+t)/2;
int v = tr[dep][j]-(s-1);
if(i > s) v = tr[dep][j] - tr[dep][i-1];
if(v >= k)
{
ci = s; if(i > s) ci = tr[dep][i-1]+1;
return find_tree(dep+1, s, mid, ci, tr[dep][j], k);
}
else
{
ci = mid+1; if(i > s) ci = mid+1 + (i-1)-tr[dep][i-1];
return find_tree(dep+1, mid+1, t, ci, mid+j-tr[dep][j], k-v);
}
return 0;
}
int main()
{
int i,k,T,low,up,mid,cas=0;
LL ans[5];
char ch[33];
while(scanf("%d",&T) != EOF)
{
n = 0; m = 0;
for(i=1;i<=T;i++)
{
scanf("%s", ch);
if(ch[0] == 'I')
{
q[i].sta = 0;
n++; scanf("%d", &a[n].val); a[n].id = n;
}
else
{
q[i].sta = ch[6] - 48;
if(ch[6] == '1') scanf("%d %d %d",&q[i].s,&q[i].t,&q[i].k);
else
scanf("%d",&q[i].k);
}
}
sort(a+1, a+1+n, cmp);
for(i=1;i<=n;i++)
{
b[a[i].id] = tr[0][a[i].id] = i;
C[i] = 0;
}
C[0] = 0;
build_tree(0, 1, n);
ans[1] = ans[2] = ans[3] = 0;
m = 0;
for(i=1;i<=T;i++)
{
if(q[i].sta == 0)
{
m++;
change(b[m], 1);
}
else
if(q[i].sta == 1)
{
k = find_tree(0, 1, n, q[i].s, q[i].t, q[i].k);
ans[1] += a[k].val;
}
else
if(q[i].sta == 2)
{
low = 1; up = n;
while(low < up) {
mid = (low + up)/2;
if(a[mid].val < q[i].k) low = mid+1; else up = mid;
}
mid = (low + up)/2;
ans[2] += cal(mid);
}
else
if(q[i].sta == 3)
{
low = 1; up = n;
while(low < up) {
mid = (low + up)/2;
if(cal(mid) < q[i].k) low = mid+1; else up = mid;
}
mid = (low + up)/2;
ans[3] += a[mid].val;
}
}
cas++;
printf("Case %d:\n%lld\n%lld\n%lld\n",cas,ans[1],ans[2],ans[3]);
}
return 0;
}
|