QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#845813 | #9971. 新本格魔法少女りすか | pwx2009 | 0 | 5296ms | 19216kb | C++14 | 2.2kb | 2025-01-06 19:25:03 | 2025-01-06 19:25:05 |
Judging History
answer
#include<cstdio>
#define ll long long
#define lowbit(x) (x&(-x))
static const int BUF = 1<<20;
inline char gc() {
static char buf[BUF],*p1=buf,*p2=buf;
return p1==p2&&(p2=(p1=buf)+fread(buf,1,BUF,stdin),p1==p2)?-1:*p1++;
}
inline int read(){
int num=0;
char ch;ch=gc();
while(ch<48||ch>57)ch=gc();
while(ch>47&&ch<58){
num=(num<<1)+(num<<3)+(ch^48);
ch=gc();
}return num;
}
const int N=5e5+15;
const int B=400;
int n,m,K;
int pos[N],l[N],r[N];
int a[N];
int ql[N],qr[N],qid[N];
int s[N],S[N],ss[N];
inline void put(register int x){
while(x<=n){
++s[x];
x+=lowbit(x);
}
}
inline int ask(register int x){
int val=0;
while(x){
val+=s[x];
x-=lowbit(x);
}return val;
}
inline void clr(register int x){
while(x<=n){
if(!s[x])return;
s[x]=0;
x+=lowbit(x);
}
}
ll ans[N],sum;
int main(){
n=read(),m=read();
for(register int i=1;i<=n;++i){
a[i]=read();
if(i>B)pos[i]=pos[i-B]+1;
if(!l[pos[i]])l[pos[i]]=i;
r[pos[i]]=i;
}
if(n+1>B)pos[n+1]=pos[n+1-B]+1;
if(!l[pos[n+1]])l[pos[n+1]]=n+1;
r[pos[n+1]]=n+1;
for(register int i=1,p;i<=m;++i){
p=read();
while(p--)ql[++K]=read(),qr[K]=read(),qid[K]=i;
}
for(register int L=1,R=B;L<=n;L+=B,R+=B){
if(R>n)R=n;
for(register int i=L;i<=R;++i)++s[a[i]];
for(register int i=1;i<=n;++i)ss[i]=s[i]+ss[i-1];
for(register int i=1;i<=n;++i){
S[i]=S[i-1];
if(i<L)S[i]+=R-L+1-ss[a[i]];
else if(i>R)S[i]+=ss[a[i]];
else --s[a[i]];
}
for(register int i=1,j=1;i<=K;i=j){
register int flag=sum=0;
while(j<=K&&qid[j]==qid[i]){
if(ql[j]<=L&&qr[j]>=R)flag=1;
else{
if(ql[j]>R&&l[pos[qr[j]+1]]>r[pos[ql[j]-1]])sum-=S[l[pos[qr[j]+1]]-1]-S[r[pos[ql[j]-1]]];
sum+=S[qr[j]]-S[ql[j]-1];
}j++;
}if(flag)ans[qid[i]]+=sum;
}
}
for(register int i=1;i<=m;++i)printf("%lld\n",ans[i]);
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 5296ms
memory: 19216kb
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:
37136777195 34636463415 43965401419 34158731247 43986159521 29263076254 42053503866 29270675067 34466302330 31052708071 45078994919 42629801531 24962338684 47945224314 39929747062 31943783974 32197008533 31918408759 44732047376 46168278689 35012284451 31449001562 33990457438 30519408307 43410438732 ...
result:
wrong answer 1st numbers differ - expected: '37140482224', found: '37136777195'
Subtask #2:
score: 0
Wrong Answer
Test #6:
score: 0
Wrong Answer
time: 2895ms
memory: 18340kb
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:
0 0 0 0 0
result:
wrong answer 1st numbers differ - expected: '50666226791', found: '0'
Subtask #3:
score: 0
Skipped
Dependency #1:
0%