oj.uz

Submission #329087

# Submission time Handle Problem Language Result Execution time Memory
329087 2020-11-19T00:49:21 Z iliccmarko Sterilizing Spray (JOI15_sterilizing) C++14
10 / 100
 833 ms 67068 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl "\n"
#define INF 1000000000
#define LINF 1000000000000000LL
#define pb push_back
#define all(x) x.begin(), x.end()
#define len(s) (int)s.size()
#define test_case { int t; cin>>t; while(t--)solve(); }
#define input(n, v) {for(int i = 0;i<n;i++) cin>>v[i];}
#define output(n, v) {for(int i = 0;i<n;i++) cout<<v[i]<<" "; cout<<endl;}
#define single_case solve();
#define line cout<<"------------"<<endl;
#define ios { ios_base::sync_with_stdio(false); cin.tie(NULL); }
using namespace std;
int n, q, k;
const int N = 1e5 + 5;
set<int> seg[4*N];
int sum[4*N];
vector<int> a(N);

int get_sum(int node, int l, int r, int i, int j)
{
    if(i>r||j<l) return 0;
    if(i>=l&&j<=r) return sum[node];
    int mid = (i+j)/2;
    return get_sum(node*2+1, l, r, i, mid) + get_sum(node*2+2, l, r, mid+1, j);
}

void update(int node, int l, int r, int pos, int x)
{
    if(l==r)
    {
        sum[node] = x;
        return;
    }
    int mid = (l+r)/2;
    if(pos>mid)
        update(node*2+2, mid+1, r, pos, x);
    else
        update(node*2+1, l, mid, pos, x);
    sum[node] = sum[node*2+1] + sum[node*2+2];
}

void build(int node, int l, int r)
{
    if(l==r)
    {
        if(a[l])
        seg[node].insert(l);
        return;
    }
    for(int s = l;s<=r;s++)
        if(a[s]) seg[node].insert(s);
    int mid = (l+r)/2;
    build(node*2+1, l, mid);
    build(node*2+2, mid+1, r);
}

int build_sum(int node, int l, int r)
{
    if(l==r)
    {
       return sum[node] = a[l];
    }
    int mid = (l+r)/2;
    return sum[node] = build_sum(node*2+1, l, mid) + build_sum(node*2+2, mid+1, r);
}

void _erase(int node, int l, int r, int pos, int x)
{
    seg[node].erase(x);
    if(l==r)
        return;
    int mid = (l+r)/2;
    if(pos>mid)
        _erase(node*2+2, mid+1, r, pos, x);
    else
        _erase(node*2+1, l, mid, pos, x);
}

void _insert(int node, int l, int r, int pos, int x)
{
    seg[node].insert(x);
    if(l==r)
        return;
    int mid = (l+r)/2;
    if(pos>mid)
        _insert(node*2+2, mid+1, r, pos, x);
    else
        _insert(node*2+1, l, mid, pos, x);
}

set<int> get_alive(int node, int l, int r, int i, int j)
{
    if(i>r||j<l) {
        set<int> q;
        return q;
    }
    if(i>=l&&j<=r)
        return seg[node];
    int mid = (i+j)/2;
    set<int> levo = get_alive(node*2+1, l, r, i, mid);
    set<int> desno = get_alive(node*2+2, l, r, mid+1, j);
    set<int> ans;
    for(int x : levo)
        ans.insert(x);
    for(int x : desno)
        ans.insert(x);
    return ans;
}

int main()
{
    ios
    cin>>n>>q>>k;
    for(int i = 0;i<n;i++)
        cin>>a[i];
    build(0, 0, n-1);
    //cout<<11111<<endl;
    build_sum(0, 0, n-1);
    //cout<<2222<<endl;
    while(q--)
    {
        int s, t, u;
        //line
        cin>>s>>t>>u;
        t--;
        u--;
        if(s==1)
        {
            // a-ti tanjir na b
            u++;
            if(!a[t]&&u)
                _insert(0, 0, n-1, t, t);
            if(a[t]&&!u)
                _erase(0, 0, n-1, t, t);
            a[t] = u;
            update(0, 0, n-1, t, u);
        }
        else if(s==2)
        {
            // sprej
            if(k==1) continue;
            set<int> qq = get_alive(0, t, u, 0, n-1);
            for(int x : qq)
            {
                //cout<<x<<" ";
                a[x] /= k;
                if(!a[x])
                    _erase(0, 0, n-1, x, x);
                update(0, 0, n-1, x, a[x]);
            }
            //cout<<endl;
        }
        else{
            // ispisi sumu od l do r
            //cout<<u<<" "<<t<<endl;
            cout<<get_sum(0, t, u, 0, n-1)<<endl;
        }
    }




    return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 18 ms 19564 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 175 ms 58988 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 21996 KB Output is correct
2 Correct 131 ms 37868 KB Output is correct
3 Correct 158 ms 38508 KB Output is correct
4 Correct 190 ms 29292 KB Output is correct
5 Correct 402 ms 63724 KB Output is correct
6 Correct 413 ms 62956 KB Output is correct
7 Correct 435 ms 62876 KB Output is correct
8 Correct 387 ms 63212 KB Output is correct
9 Correct 355 ms 67068 KB Output is correct
10 Correct 359 ms 66924 KB Output is correct
11 Correct 357 ms 67052 KB Output is correct
12 Correct 354 ms 66924 KB Output is correct

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Incorrect 833 ms 64452 KB Output isn't correct
2 Halted 0 ms 0 KB -