QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#474111 | #6533. Traveling in Cells | zzisjtu | RE | 1610ms | 6968kb | C++23 | 3.5kb | 2024-07-12 16:10:27 | 2024-07-12 16:10:28 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
#define all(x) x.begin(), x.end()
#define lowbit(i) ((i)&(-i))
#define pii pair<int,int>
#define endl '\n'
#define mk(x,y) make_pair(x,y)
#define popcount(x) __builtin_popcount(x)
#define LF(x) fixed<<setprecision(x)
const double pi=3.14159265358979323846;
const double eps=1e-9;
const int inf=1e9;
const long long INF=4e18;
const int mod=1e9+7;
using namespace std;
const int N=1e5+10;
struct Seg
{
int l,r;
int val;
}seg[N*4];
int root[N];
int n,q,tot;
ll a[N],col[N];
int S[N];
void init(){
for(int i=1;i<=n;i++){
root[i]=0;
}
for(int i=1;i<=tot;i++){
seg[i].l=seg[i].r=seg[i].val=0;
}
tot=0;
}
struct Tree_array
{
int n;
vector<ll>tr;
Tree_array(int n_){
n=n_;
tr.assign(n+1,0);
}
//a为原数组 add(i,a[i]);
void add(int x,int k){
for(int i=x;i<=n;i+=lowbit(i)){
tr[i]+=k;
}
}
ll sum(int x){// 1-x的前缀和
ll ans=0;
for(int i=x;i;i-=lowbit(i)){
ans+=tr[i];
}
return ans;
}
ll range_sum(int l,int r){
return sum(r)-sum(l-1);
}
};
void update(int p){
seg[p].val=seg[seg[p].l].val+seg[seg[p].r].val;
}
//change(root[col[i]],1,n,x,val);//注意:单点加
void change(int &p,int l,int r,int x,int val){
if(!p)p=++tot;
if(l==r){
seg[p].val+=val;
return;
}
int mid=(l+r)/2;
if(x<=mid)change(seg[p].l,l,mid,x,val);
else change(seg[p].r,mid+1,r,x,val);
update(p);
}
//query(root[x],1,n,l,r);
auto query(int p,int l,int r,int L,int R){
if(!p)return 0;
if(L<=l&&R>=r)return seg[p].val;
int mid=(l+r)/2;
int res=0;
if(L<=mid)res+=query(seg[p].l,l,mid,L,R);
if(R>mid)res+=query(seg[p].r,mid+1,r,L,R);
return res;
}
void solve()
{
cin>>n>>q;
Tree_array t(n);
for(int i=1;i<=n;i++){
cin>>col[i];
change(root[col[i]],1,n,i,1);
}
for(int i=1;i<=n;i++){
cin>>a[i];
t.add(i,a[i]);
}
auto check=[&](int l,int r,int k){
int cnt=0;
for(int i=1;i<=k;i++){
cnt+=query(root[S[i]],1,n,l,r);
}
return cnt==r-l+1;
};
// cout<<1<<endl;
while(q--){
int op;cin>>op;
if(op==1){
int x,val;
cin>>x>>val;
// for(int i=1;i<=n;i++){
// cout<<col[i]<<" \n"[i==n];
// }
change(root[col[x]],1,n,x,-1);
change(root[val],1,n,x,1);
col[x]=val;
// cout<<"change\n";
// for(int i=1;i<=n;i++){
// cout<<col[i]<<" \n"[i==n];
// }
// cout<<endl;
}
else if(op==2){
int x,val;
cin>>x>>val;
// for(int i=1;i<=n;i++){
// cout<<a[i]<<" \n"[i==n];
// }
t.add(x,val-a[x]);
a[x]=val;
// cout<<"change\n";
// for(int i=1;i<=n;i++){
// cout<<a[i]<<" \n"[i==n];
// }
// cout<<endl;
}
else if(op==3){
int x,k;
cin>>x>>k;
for(int i=1;i<=k;i++){
cin>>S[i];
}
//find_left
int l=0,r=x;
while(l<r){
int mid=(l+r)/2;
if(check(mid,x-1,k))r=mid;
else l=mid+1;
}
ll ans=t.range_sum(r,x);
//find_right
l=x,r=n;
while(l<r){
int mid=(l+r+1)/2;
if(check(x+1,mid,k))l=mid;
else r=mid-1;
}
ans+=t.range_sum(x+1,l);
cout<<ans<<endl;
}
}
init();
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int T=1;
cin>>T;
while(T--){
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 5648kb
input:
2 5 10 1 2 3 1 2 1 10 100 1000 10000 3 3 1 3 3 3 2 2 3 2 5 20000 2 3 200 3 3 2 1 3 3 3 3 1 2 3 1 3 4 2 1 100000 1 2 2 3 1 2 1 2 4 1 1 2 3 4 1000000 1000000 1000000 1000000 3 4 4 1 2 3 4
output:
100 110 1200 21211 100010 4000000
result:
ok 6 numbers
Test #2:
score: 0
Accepted
time: 201ms
memory: 5840kb
input:
20000 15 15 1 1 3 3 2 3 3 3 3 3 2 3 2 3 3 634593973 158136379 707704004 998369647 831633445 263092797 937841412 451774682 552617416 483763379 50360475 794662797 74247465 537217773 901809831 3 6 4 1 3 5 10 3 5 7 1 2 3 4 5 9 10 3 4 3 3 8 9 2 13 608033129 3 15 2 3 5 1 9 3 3 8 4 1 3 7 10 2 6 727472865 3...
output:
2689089686 8377825475 1706073651 1439027604 2689089686 792730352 8904867081 8904867081 8270273108 831633445 692051585 2782432626 697783016 883944422 184057757 287523250 184057757 696388752 184057757 1675459344 2667693025 2614711258 4006992373 1767091974 5348541057 5348541057 390631780 2290216252 942...
result:
ok 200062 numbers
Test #3:
score: 0
Accepted
time: 477ms
memory: 5684kb
input:
2000 150 150 8 3 8 8 8 6 8 4 2 7 6 8 8 5 8 7 7 8 5 6 8 8 6 8 8 8 8 7 8 6 6 8 8 8 6 2 3 4 8 8 7 8 5 8 2 6 8 7 8 8 6 8 6 8 3 8 8 8 8 4 7 8 7 3 7 6 7 5 5 8 6 8 8 6 3 8 6 7 6 8 8 7 4 8 6 7 8 7 7 7 7 8 8 8 8 2 5 2 8 8 6 7 6 3 8 8 7 8 8 8 6 6 8 6 6 7 5 8 8 8 7 8 7 7 6 8 8 8 8 8 8 6 5 7 5 5 8 7 8 7 7 7 6 5...
output:
4449391171 3290849667 852793841 5178673994 995994209 11431868919 4327723427 5071541023 3032743466 962345334 2997656427 4534278452 3851900075 3611231417 5071541023 1477584218 1299005818 1299005818 2145605244 854143763 886347565 2081234124 2333808475 2455955801 4179722063 2328504333 1473735464 4107685...
result:
ok 199987 numbers
Test #4:
score: 0
Accepted
time: 1610ms
memory: 6968kb
input:
10 30000 30000 3 4 2 4 4 4 4 3 4 3 4 3 4 3 4 4 2 4 4 4 4 4 3 3 3 4 3 4 3 4 3 3 4 2 4 3 3 3 3 4 3 4 4 4 4 2 3 3 4 2 3 4 4 4 4 1 4 4 4 4 4 4 4 4 3 3 3 4 4 4 4 4 2 3 4 4 4 4 3 4 4 3 3 3 4 4 3 4 4 2 3 4 4 4 4 3 2 4 3 4 3 2 4 4 3 4 2 2 4 4 4 4 2 4 3 2 4 4 3 4 4 4 2 4 4 3 2 3 2 3 3 3 4 2 4 3 4 1 4 3 4 4 4...
output:
6959437173 934970676 72461245502 8365928740 8384151048 984567228 12482909122 1904927816 15134139942 3759040688 92670874909 332468911 5936663371 3562978848 1300592004 10314009201 5581540905 131246926443 15087184135864 4077066271 1124704817 1520626740 4388174158 744377942 2770411457 6231852240 1508724...
result:
ok 200135 numbers
Test #5:
score: -100
Runtime Error
input:
3 100000 100000 6 6 2 6 5 3 6 5 4 6 4 6 6 6 6 5 2 5 2 6 6 6 1 6 5 6 4 5 6 6 5 4 5 4 3 4 5 5 6 6 5 6 6 5 2 5 6 5 4 2 5 6 6 6 5 2 5 6 6 4 5 6 3 3 6 5 6 5 5 5 5 4 4 4 4 3 6 5 4 5 6 5 6 6 6 6 3 6 5 6 5 4 3 5 6 4 5 3 6 5 3 5 6 4 6 5 4 5 5 5 2 5 4 6 6 3 5 5 5 5 5 4 5 5 6 5 5 6 6 6 5 5 4 6 5 4 4 2 6 6 6 5 ...
output:
753014823 938372065 5655899645 168297301 14372254310 1066586326 3520855082 2591792266 2321844837 64378192092 250581310 1845085639 1402247975 198007248 2157074263 2743531397 3433471688 10332600792 1085086491 4845484125 50019185900042 4036199358 154762798 50019185900042 1221387905 11240790307 10537215...