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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#185015 | #7108. Couleur | ucup-team1359 | AC ✓ | 4040ms | 46280kb | C++14 | 2.7kb | 2023-09-21 15:50:44 | 2023-09-21 15:50:45 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
namespace sgt {
int sgt[2050000][3],sgtcnt;
int newnode() {
sgtcnt++;
sgt[sgtcnt][0]=sgt[sgtcnt][1]=sgt[sgtcnt][2]=0;
return sgtcnt;
}
void update(int p,int q,int s,int t,int x,int y) {
sgt[q][0]=sgt[p][0];sgt[q][1]=sgt[p][1];sgt[q][2]=sgt[p][2]+y;
if (s==t) return;
int mid=(s+t)/2;
if (x<=mid) {
sgt[q][0]=newnode();
update(sgt[p][0],sgt[q][0],s,mid,x,y);
}
else {
sgt[q][1]=newnode();
update(sgt[p][1],sgt[q][1],mid+1,t,x,y);
}
}
int getsum(int p,int s,int t,int l,int r) {
if (l>r) return 0;
if ((l<=s)&&(t<=r)) return sgt[p][2];
int mid=(s+t)/2;
if (r<=mid) return getsum(sgt[p][0],s,mid,l,r);
if (l>mid) return getsum(sgt[p][1],mid+1,t,l,r);
return getsum(sgt[p][0],s,mid,l,r)+getsum(sgt[p][1],mid+1,t,l,r);
}
}
int T,n,a[105000],rt[105000];
map<int,long long> mp;
multiset<long long,greater<long long> > ms;
set<int> st_getlarger;
set<int,greater<int> > st_getsmaller;
void split(int l,int r,int x) {
long long tmp=mp[l-1];ms.erase(ms.find(tmp));
long long ansx=sgt::getsum(rt[r],1,n,1,a[x]-1)-sgt::getsum(rt[x],1,n,1,a[x]-1)
+sgt::getsum(rt[x-1],1,n,a[x]+1,n)-sgt::getsum(rt[l-1],1,n,a[x]+1,n);
if (x-l<r-x) {
long long newans=0,midans=ansx;
for (int i=l;i<x;i++) {
newans+=sgt::getsum(rt[i-1],1,n,a[i]+1,n)-sgt::getsum(rt[l-1],1,n,a[i]+1,n);
midans+=sgt::getsum(rt[r],1,n,1,a[i]-1)-sgt::getsum(rt[x],1,n,1,a[i]-1);
}
mp[l-1]=newans;ms.insert(newans);
mp[x]=tmp-newans-midans;ms.insert(tmp-newans-midans);
} else {
long long newans=0,midans=ansx;
for (int i=x+1;i<=r;i++) {
newans+=sgt::getsum(rt[r],1,n,1,a[i]-1)-sgt::getsum(rt[i],1,n,1,a[i]-1);
midans+=sgt::getsum(rt[x-1],1,n,a[i]+1,n)-sgt::getsum(rt[l-1],1,n,a[i]+1,n);
}
mp[x]=newans;ms.insert(newans);
mp[l-1]=tmp-newans-midans;ms.insert(tmp-newans-midans);
}
}
int main() {
scanf("%d",&T);
while (T--) {
scanf("%d",&n);
sgt::sgtcnt=0;
long long cur=0;
for (int i=1;i<=n;i++) {
scanf("%d",&a[i]);
cur+=sgt::getsum(rt[i-1],1,n,a[i]+1,n);
rt[i]=sgt::newnode();
sgt::update(rt[i-1],rt[i],1,n,a[i],1);
}
mp.clear();ms.clear();st_getsmaller.clear();st_getlarger.clear();
mp[0]=cur;ms.insert(cur);
mp[n+1]=0;ms.insert(0);
st_getsmaller.insert(0);st_getsmaller.insert(n+1);
st_getlarger.insert(0);st_getlarger.insert(n+1);
for (int i=1;i<=n;i++) {
cur=*ms.begin();
printf("%lld",cur);
if (i<n) printf(" ");
else printf("\n");
long long x=0;
scanf("%lld",&x);
int y=(int)(x^cur);
int l=*st_getsmaller.lower_bound(y),r=*st_getlarger.lower_bound(y);
split(l+1,r-1,y);
st_getsmaller.insert(y);st_getlarger.insert(y);
}
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3876kb
input:
3 5 4 3 1 1 1 5 4 5 3 1 10 9 7 1 4 7 8 5 7 4 8 21 8 15 5 9 2 4 5 10 6 15 4 8 8 1 12 1 10 14 7 14 2 9 13 10 3 37 19 23 15 7 2 10 15 2 13 4 5 8 7 10
output:
7 0 0 0 0 20 11 7 2 0 0 0 0 0 0 42 31 21 14 14 4 1 1 1 0 0 0 0 0 0
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 4040ms
memory: 46280kb
input:
11116 10 10 5 10 3 6 4 8 5 9 8 31 27 24 11 12 3 0 2 3 1 10 8 2 7 2 8 10 1 10 9 10 6 5 2 13 2 1 0 1 3 1 10 7 10 7 6 1 3 10 6 7 9 21 18 10 1 6 5 4 8 9 10 10 2 10 4 8 8 5 7 2 6 7 20 10 9 1 15 0 4 2 9 7 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 10 1 2 3 4 5 6 7 8 9 10 6 3 5 2 7 10 9 1 4 8 10 1 10 1 3...
output:
21 18 16 12 10 6 4 1 1 0 12 12 10 10 4 4 4 2 1 0 20 16 9 5 3 3 3 0 0 0 22 14 8 8 5 5 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19 12 7 4 4 2 2 1 0 0 20 18 8 3 1 1 0 0 0 0 45 21 21 10 3 3 3 0 0 0 17 11 8 2 1 1 1 0 0 0 13 4 1 0 0 0 0 0 0 0 29 27 22 15 9 7 4 3 1 0 26 16 9 2 1 1 1 1 1 0 0 0 0 0 0 ...
result:
ok 11116 lines
Extra Test:
score: 0
Extra Test Passed