QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#774553 | #5459. Goose, goose, DUCK? | Yurily# | WA | 4ms | 13884kb | C++20 | 2.1kb | 2024-11-23 13:26:02 | 2024-11-23 13:26:02 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int MAX=1e6+6;
int n,k;
int mins[MAX*4],tag[MAX*4],a[MAX],d[MAX][2],nxt[MAX],cnt[MAX*4];
vector<int> g[MAX];
long long ans;
void add(int k,int l,int r,int v){
tag[k]+=v;
mins[k]+=v;
}
void pushdown(int k,int l,int r){
if(!tag[k])
return;
int mid=l+r>>1;
add(k<<1,l,mid,tag[k]);
add(k<<1|1,mid+1,r,tag[k]);
tag[k]=0;
}
void modify(int k,int l,int r,int x,int y,int v){
if(l>=x&&r<=y){
return add(k,l,r,v);
}
pushdown(k,l,r);
int mid=l+r>>1;
if(x<=mid){
modify(k<<1,l,mid,x,y,v);
}
if(mid<y){
modify(k<<1|1,mid+1,r,x,y,v);
}
mins[k]=min(mins[k<<1],mins[k<<1|1]);
cnt[k]=0;
if(mins[k<<1]==mins[k])
cnt[k]+=cnt[k<<1];
if(mins[k<<1|1]==mins[k])
cnt[k]+=cnt[k<<1|1];
}
void build(int k,int l,int r){
if(l==r){
cnt[k]=1;
return;
}
int mid=l+r>>1;
build(k<<1,l,mid);
build(k<<1|1,mid+1,r);
cnt[k]=cnt[k<<1]+cnt[k<<1|1];
}
int main(){
// freopen("in.txt","r",stdin);
// freopen("out.txt","w",stdout);
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
cin>>n>>k;
for(int i=1;i<=n;++i){
cin>>a[i];
g[a[i]].push_back(i);
}
build(1,1,n);
for(int i=1;i<=(int)1e6;++i){
for(int j=0;j<(int)g[i].size()-k+1;++j){
d[g[i][j]][0]=g[i][j+k-1];
if(j!=(int)g[i].size()-1-k+1){
nxt[g[i][j]]=g[i][j+1];
d[g[i][j]][1]=g[i][j+k];
}
else{
d[g[i][j]][1]=n;
}
if(j==0){
modify(1,1,n,d[g[i][j]][0],d[g[i][j]][1],1);
}
}
}
for(int i=1;i<=n;++i){
if(mins[1]==0){
ans+=n-cnt[1];
}
else{
ans+=n;
}
if(d[i][0]){
modify(1,1,n,d[i][0],d[i][1],-1);
}
if(nxt[i]){
modify(1,1,n,d[nxt[i]][0],d[nxt[i]][1],1);
}
}
cout<<1LL*n*(n+1)/2-ans;
}
Details
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Test #1:
score: 100
Accepted
time: 4ms
memory: 11904kb
input:
6 2 1 2 2 1 3 3
output:
10
result:
ok 1 number(s): "10"
Test #2:
score: 0
Accepted
time: 0ms
memory: 13884kb
input:
6 1 1 2 3 4 5 6
output:
0
result:
ok 1 number(s): "0"
Test #3:
score: -100
Wrong Answer
time: 3ms
memory: 11788kb
input:
100 10 142826 764475 142826 986320 764475 142826 142826 986320 764475 986320 764475 764475 764475 142826 142826 986320 764475 986320 764475 764475 142826 764475 142826 764475 986320 986320 764475 142826 764475 764475 142826 764475 764475 986320 142826 142826 142826 142826 764475 986320 986320 764475...
output:
4152
result:
wrong answer 1st numbers differ - expected: '4309', found: '4152'