oj.uz

Submission #31835

# Submission time Handle Problem Language Result Execution time Memory
31835 2017-09-11T03:43:28 Z Dat160601 Sterilizing Spray (JOI15_sterilizing) C++14
80 / 100
 5000 ms 12332 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
int n,q,k,x,y;
long long a[100007],it[400007],mx[400007],lazy[400007];
void init(int p,int l,int r){
    if(l==r){
        it[p]=a[l];
        mx[p]=a[l];
        return;
    }
    int mid=(l+r)/2;
    init(p*2,l,mid);
    init(p*2+1,mid+1,r);
    it[p]=it[p*2]+it[p*2+1];
    mx[p]=max(mx[p*2],mx[p*2+1]);
}
void dolazy(int p,int l,int r){
    if(lazy[p]==0) return;
    it[p]=0;
    mx[p]=0;
    if(l!=r){
        lazy[p*2]=1;
        lazy[p*2+1]=1;
    }
    lazy[p]=0;
}
void upd(int p,int l,int r,int pos,int val){
    dolazy(p,l,r);
    if(l>pos || r<pos) return;
    if(l==pos && l==r){
        it[p]=val;
        mx[p]=val;
        return;
    }
    int mid=(l+r)/2;
    upd(p*2,l,mid,pos,val);
    upd(p*2+1,mid+1,r,pos,val);
    it[p]=it[p*2]+it[p*2+1];
    mx[p]=max(mx[p*2],mx[p*2+1]);
}
void div(int p,int l,int r,int L,int R){
    dolazy(p,l,r);
    if(l>R || r<L || l>r) return;
    if(l>=L && r<=R && mx[p]<k){
        if(mx[p]==0 || (mx[p]<=1 && k==1)) return;
        it[p]=0;
        mx[p]=0;
        if(l!=r){
            lazy[p*2]=1;
            lazy[p*2+1]=1;
        }
        return;
    }
    if(l==r){
        it[p]=it[p]/k;
        mx[p]=mx[p]/k;
        return;
    }
    int mid=(l+r)/2;
    div(p*2,l,mid,L,R);
    div(p*2+1,mid+1,r,L,R);
    it[p]=it[p*2]+it[p*2+1];
    mx[p]=max(mx[p*2],mx[p*2+1]);
}
long long get(int p,int l,int r,int L,int R){
    dolazy(p,l,r);
    if(l>R || r<L || l>r) return 0;
    if(l>=L && r<=R){
        //cout<<l<<" "<<r<<" "<<it[p]<<endl;
        return it[p];
    }
    int mid=(l+r)/2;
    return (get(p*2,l,mid,L,R)+get(p*2+1,mid+1,r,L,R));
}
signed main(){
    ios_base::sync_with_stdio(0);
    cin>>n>>q>>k;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    init(1,1,n);
    int type;
    for(int i=1;i<=q;i++){
        cin>>type>>x>>y;
        if(type==1){
            upd(1,1,n,x,y);
        }
        else if(type==2){
            div(1,1,n,x,y);
        }
        else{
            cout<<get(1,1,n,x,y)<<"\n";
        }
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 12332 KB Output is correct
2 Correct 6 ms 12332 KB Output is correct
3 Correct 0 ms 12332 KB Output is correct
4 Correct 16 ms 12332 KB Output is correct
5 Correct 0 ms 12332 KB Output is correct
6 Correct 6 ms 12332 KB Output is correct
7 Correct 0 ms 12332 KB Output is correct
8 Correct 6 ms 12332 KB Output is correct
9 Correct 9 ms 12332 KB Output is correct
10 Correct 6 ms 12332 KB Output is correct
11 Correct 9 ms 12332 KB Output is correct
12 Correct 3 ms 12332 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5000 ms 12332 KB Execution timed out
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 146 ms 12332 KB Output is correct
2 Correct 23 ms 12332 KB Output is correct
3 Correct 89 ms 12332 KB Output is correct
4 Correct 259 ms 12332 KB Output is correct
5 Correct 173 ms 12332 KB Output is correct
6 Correct 263 ms 12332 KB Output is correct
7 Execution timed out 5000 ms 12332 KB Execution timed out
8 Halted 0 ms 0 KB -

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 346 ms 12332 KB Output is correct
2 Correct 226 ms 12332 KB Output is correct
3 Correct 319 ms 12332 KB Output is correct
4 Correct 369 ms 12332 KB Output is correct
5 Correct 329 ms 12332 KB Output is correct
6 Correct 556 ms 12332 KB Output is correct
7 Correct 393 ms 12332 KB Output is correct
8 Correct 613 ms 12332 KB Output is correct
9 Correct 486 ms 12332 KB Output is correct
10 Correct 599 ms 12332 KB Output is correct
11 Correct 406 ms 12332 KB Output is correct
12 Correct 776 ms 12332 KB Output is correct