#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int MX=100010, inf=2e9;
int k, n, q;
struct st{
uint8_t tree[1<<21];
bool Arr[(1<<20)+1];
int cnt[22];
int len[22];
void init(){
cnt[k]=1;
for(int i=k; i>=0; i--) len[i]=len[i+1]+cnt[i]*(1<<i);
}
ll upt(int v, int s, int e, int pos, int X[], int d=k){
if(pos<s || e<pos) return 0LL;
if(s==e){
Arr[pos]=!Arr[pos];
tree[v]=Arr[pos];
return 0LL;
}
ll res=0;
if(tree[v]!=3){
res+=X[d]/(1<<d) * 4;
cnt[d]--; cnt[d-1]+=2;
tree[v]=3;
}
res+=upt(v*2,s,(s+e)/2,pos,X,d-1);
res+=upt(v*2+1,(s+e)/2+1,e,pos,X,d-1);
if(tree[v*2]==tree[v*2+1] && tree[v*2]!=3){
res-=X[d]/(1<<d) * 4;
cnt[d]++; cnt[d-1]-=2;
tree[v]=tree[v*2];
}
return res;
}
ll upt(int pos, int S[]){
ll ans=upt(1,1,n,pos,S);
for(int i=k; i>=0; i--) len[i]=len[i+1]+(1<<i)*cnt[i];
return ans;
}
} X, Y;
int main(){
ios::sync_with_stdio(0); cin.tie(0);
cin>>k>>q; n=(1<<k);
X.init(); Y.init();
ll ans=1;
for(int i=1; i<=q; i++){
int t, x; cin>>t>>x;
st &A=(t==0 ? X : Y), &B=(t==1 ? X : Y);
ans+=A.upt(x, B.len);
cout<<ans<<'\n';
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
468 KB |
Output is correct |
3 |
Correct |
3 ms |
544 KB |
Output is correct |
4 |
Correct |
2 ms |
676 KB |
Output is correct |
5 |
Correct |
2 ms |
676 KB |
Output is correct |
6 |
Correct |
3 ms |
676 KB |
Output is correct |
7 |
Correct |
3 ms |
676 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
676 KB |
Output is correct |
2 |
Correct |
5 ms |
676 KB |
Output is correct |
3 |
Correct |
5 ms |
676 KB |
Output is correct |
4 |
Correct |
5 ms |
820 KB |
Output is correct |
5 |
Correct |
4 ms |
820 KB |
Output is correct |
6 |
Correct |
3 ms |
920 KB |
Output is correct |
7 |
Correct |
5 ms |
920 KB |
Output is correct |
8 |
Correct |
5 ms |
920 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2354 ms |
33688 KB |
Output is correct |
2 |
Correct |
2001 ms |
51308 KB |
Output is correct |
3 |
Correct |
1938 ms |
63100 KB |
Output is correct |
4 |
Correct |
2289 ms |
85748 KB |
Output is correct |
5 |
Correct |
2324 ms |
102684 KB |
Output is correct |
6 |
Correct |
2297 ms |
119224 KB |
Output is correct |
7 |
Correct |
2559 ms |
137924 KB |
Output is correct |
8 |
Correct |
2602 ms |
155464 KB |
Output is correct |
9 |
Correct |
2195 ms |
165696 KB |
Output is correct |
10 |
Correct |
2372 ms |
184564 KB |
Output is correct |
11 |
Correct |
2625 ms |
205056 KB |
Output is correct |
12 |
Correct |
2345 ms |
222092 KB |
Output is correct |
13 |
Correct |
2228 ms |
236164 KB |
Output is correct |