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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#847062 | #9971. 新本格魔法少女りすか | binbin | 0 | 11744ms | 18692kb | C++14 | 3.9kb | 2025-01-07 17:05:01 | 2025-01-07 17:05:01 |
Judging History
answer
#pragma GCC optimize(2,3)
#include<bits/stdc++.h>
using namespace std;
const int maxB=6e3+5,maxn=5e5+5;
#define ll long long
#define pii pair<int,int>
#define fi first
#define se second
int n,m,B,cnt;
int M[maxn],a[maxn],ressum[maxn];
ll ans[maxn],sum[maxn];
pii qry[maxn];
bool vis[maxn];
inline int read()
{
char c=getchar();int fx=1,sum=0;
while(c!='-'&&(c<'0'||c>'9')) c=getchar();
if(c=='-') c=getchar(),fx=-1;
while('0'<=c&&c<='9') sum=(sum<<1)+(sum<<3)+c-'0',c=getchar();
return sum*fx;
}
struct fknode1{int l,r;}fk[maxB];
class treearray
{
private:
#define lowbit(x) (x&(-x))
public:
int ts[maxn];
unsigned long long bt[maxn];
inline void updata(int x,int y){bt[x>>6]|=1ull<<(x&63),x>>=6,x++;for(;x<=(n>>6)&&x;x+=lowbit(x)) ts[x]+=y;}
inline int getsum(int x){int sum=__builtin_popcountll(bt[x>>6]&(((x&63)==63?0:(1ull<<((x&63)+1)))-1));for(;x;x-=lowbit(x)) sum+=ts[x];return sum;}
inline void clr(int x){x>>=6;bt[x]=0;for(;x<=(n>>6)&&x&&ts[x];x+=lowbit(x)) ts[x]=0;}
}Ts;
inline ll add(int l,int r){ll sum=0;for(int i=l;i<=r;i++) sum+=Ts.getsum(a[i]-1);return sum;}
inline void upd(int l,int r){for(int i=l;i<=r;i++) Ts.updata(a[i],1),vis[a[i]]=1;}
inline void clr(int l,int r){for(int i=l;i<=r;i++) if(vis[a[i]]) Ts.clr(a[i]),vis[a[i]]=0;}
int main()
{
// int st=clock();
// freopen("data.in","r",stdin);
// freopen("data.out","w",stdout);
n=read(),m=read();
B=300;
for(int i=1;i<=(n-1)/B+1;i++){fk[i].l=fk[i-1].r+1,fk[i].r=min(fk[i].l+B-1,n);}
for(int i=1;i<=n;i++) a[i]=read();
for(int i=1;i<=m;i++)
{
int t=read();M[i]=cnt+1;
for(int j=0,l,r;j<t;j++)
{
l=read(),r=read(),qry[++cnt]={l,r};
int numl=(l-1)/B+1,numr=(r-1)/B+1;
if(numl==numr) {if(r<fk[numl].r||l>fk[numl].l) ans[i]+=add(l,r),upd(l,r);}
else
{
if(l>fk[numl].l) ans[i]+=add(l,fk[numl].r);
if(r<fk[numr].r) ans[i]+=add(fk[numr].l,r);
if(l>fk[numl].l) upd(l,fk[numl].r);
if(r<fk[numr].r) upd(fk[numr].l,r);
}
}
for(int j=M[i];j<=cnt;j++)
{
pii v=qry[j];
int l=v.fi,r=v.se;
int numl=(l-1)/B+1,numr=(r-1)/B+1;
if(numl==numr) {if(r<fk[numl].r||l>fk[numl].l) clr(l,r);}
else
{
if(l>fk[numl].l) clr(l,fk[numl].r);
if(r<fk[numr].r) clr(fk[numr].l,r);
}
}
}
M[m+1]=cnt+1;
for(int i=1;i<=(n-1)/B+1;i++)
{
for(int j=fk[i].l;j<=fk[i].r;j++) ressum[a[j]]++;
for(int j=1;j<=n;j++) ressum[j]+=ressum[j-1];
int det=fk[i].r-fk[i].l+1;
for(int j=1;j<fk[i].l;j++) sum[j]=sum[j-1]+(det-ressum[a[j]]);
for(int j=fk[i].l;j<=fk[i].r;j++) sum[j]=sum[j-1];
for(int j=fk[i].r+1;j<=n;j++) sum[j]=sum[j-1]+ressum[a[j]-1];
for(int j=1;j<=n;j++) ressum[j]=0;
for(int j=1;j<=m;j++)
{
int flg=0;ll res=0;
for(int k=M[j];k<M[j+1];k++)
{
pii v=qry[k];
if(v.fi<=fk[i].l&&fk[i].r<=v.se) {flg=1;continue;}
if(v.se<=fk[i].l) res+=sum[v.se]-sum[v.fi-1];
else
{
int l=v.fi,r=v.se,numl=(l-1)/B+1,numr=(r-1)/B+1;
if(numl==numr) {if(r<fk[numl].r||l>fk[numl].l) res+=sum[r]-sum[l-1];}
else
{
if(l>fk[numl].l) res+=sum[fk[numl].r]-sum[l-1];
if(r<fk[numr].r) res+=sum[r]-sum[fk[numr].l-1];
}
}
}
ans[j]+=res*flg;
}
}
for(int i=1;i<=m;i++) printf("%lld\n",ans[i]);
// cerr<<clock()-st;
}
Details
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Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 11744ms
memory: 18692kb
input:
500000 50174 453952 363686 491616 32825 57465 422945 471561 73291 421205 416554 23295 133266 242225 330448 25039 340064 28713 465664 162059 323880 28978 273728 101338 161413 294941 214275 63951 267981 294251 202822 253124 272510 3268 37918 139343 385983 111577 311901 487665 482827 347449 416029 3065...
output:
37138296838 34638037493 43966825938 34159959534 43987684871 29265132058 42054120184 29271810709 34468412383 31055156144 45080083740 42631389847 24963746706 47947045506 39931830382 31944394564 32200775966 31920566924 44734814090 46170947395 35014241968 31450515401 33992738972 30524617286 43411095922 ...
result:
wrong answer 1st numbers differ - expected: '37140482224', found: '37138296838'
Subtask #2:
score: 0
Wrong Answer
Test #6:
score: 0
Wrong Answer
time: 4044ms
memory: 16232kb
input:
500000 5 157360 289139 98034 293691 150262 268366 36782 147093 365410 444658 343224 375392 278298 357620 389673 167019 7747 119244 102126 83512 3649 459230 197365 245259 38071 249539 34617 213697 292553 389625 395778 280152 280038 239519 301475 232272 145919 370004 422791 271143 488283 185166 351026...
output:
861597053 865325284 865397633 868495731 868206809
result:
wrong answer 1st numbers differ - expected: '50666226791', found: '861597053'
Subtask #3:
score: 0
Skipped
Dependency #1:
0%