This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()
ll n,q,k;
struct segtree{
vector<ll>d;
void init(ll n){
d.resize(4*n);
build(1,1,n);
}
void build(ll v,ll l,ll r){
if(l==r){
d[v]=0;
return;
}
ll m=(l+r)>>1;
build(v*2,l,m);
build(v*2+1,m+1,r);
d[v]=d[v*2]+d[v*2+1];
}
ll query(ll v,ll l,ll r,ll L,ll R){
if(L>R||l>R||L>r) return 0ll;
if(L<=l&&r<=R){
return d[v];
}
ll m=(l+r)>>1;
return query(v*2,l,m,L,R)+query(v*2+1,m+1,r,L,R);
}
void update(ll v,ll l,ll r,ll pos,ll val){
if(pos<l||r<pos) return;
if(l==r){
d[v]=val;
return;
}
ll m=(l+r)>>1;
update(v*2,l,m,pos,val);
update(v*2+1,m+1,r,pos,val);
d[v]=d[v*2]+d[v*2+1];
}
void update2(ll v,ll l,ll r,ll pos){
if(pos<l||r<pos) return;
if(l==r){
d[v]/=k;
return;
}
ll m=(l+r)>>1;
update2(v*2,l,m,pos);
update2(v*2+1,m+1,r,pos);
d[v]=d[v*2]+d[v*2+1];
}
};
int main(){
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin>>n>>q>>k;
segtree sg;
sg.init(n);
ll c[n+5];
set<ll>st;
for(ll i=1;i<=n;i++){
cin>>c[i];
sg.update(1,1,n,i,c[i]);
if(c[i]>0){
st.insert(i);
}
}
if(k==1){
for(ll j=1;j<=q;j++){
ll s,t,u;
cin>>s>>t>>u;
if(s==1){
sg.update(1,1,n,t,u);
}
if(s==3){
cout<<sg.query(1,1,n,t,u)<<"\n";
}
}
return 0;
}
for(ll j=1;j<=q;j++){
ll s,t,u;
cin>>s>>t>>u;
if(s==1){
sg.update(1,1,n,t,u);
if(u>0){
st.insert(t);
}
}
if(s==2){
ll cur=t,i;
while(!st.empty()){
auto it=st.lower_bound(cur);
if(it==st.end()||*it>u) break;
ll i=*it;
sg.update2(1,1,n,i);
if(sg.query(1,1,n,i,i)==0){
st.erase(i);
}
cur=*it+1;
}
}
if(s==3){
cout<<sg.query(1,1,n,t,u)<<"\n";
}
}
}
Compilation message (stderr)
sterilizing.cpp: In function 'int main()':
sterilizing.cpp:99:22: warning: unused variable 'i' [-Wunused-variable]
99 | ll cur=t,i;
| ^
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |