Submission #95181

#	Time	Username	Problem	Language	Result	Execution time	Memory
95181		shashwatchandra	Sterilizing Spray (JOI15_sterilizing)	C++17	100 / 100	303 ms	8260 KiB

sterilizing

/*input
15 10 3
25
87
32
89
24
99
57
88
10
57
65
42
66
98
13
3 9 12
1 7 15
3 2 9
2 1 14
3 10 13
1 10 6
2 14 14
1 7 96
3 14 15
3 10 12
*/
#include<bits/stdc++.h>
using namespace std;

#define int long long
#define double long double
#define f first
#define s second
#define mp make_pair
#define pb push_back
#define RE(i,n) for (int i = 1; i <= n; i++)
#define RED(i,n) for (int i = n; i > 0; i--)
#define REPS(i,n) for(int i = 1; (i*i) <= n; i++)
#define REP(i,n) for (int i = 0; i < n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)
#define remax(a,b) a = max(a,b)
#define remin(a,b) a = min(a,b)
#define all(v) v.begin(),v.end()
#define pii pair<int,int>
#define mii map<int,int>
#define vi vector<int>
#define vvi vector<vi>
#define WL(t) while(t --)
#define gcd(a,b) __gcd((a),(b))
#define lcm(a,b) ((a)*(b))/gcd((a),(b))
#define print(arr) for (auto it = arr.begin(); it != arr.end(); ++it) cout << *it << " "; cout << endl;
#define debug(x) cout << x << endl;
#define debug2(x,y) cout << x << " " << y << endl;
#define debug3(x,y,z) cout << x << " " << y << " " << z << endl;
const int INF = 1e18+1;
const int MOD = 1e9+7;
const double PI = 3.14159265358979323846264338;

int fast_ex(int a,int n,int m){
  if(n == 0)return 1;
  if(n == 1)return a;
  int x = 1;
    x *= fast_ex(a,n/2,m);
    x %= m;
    x *= x;
    x %= m;
    if(n%2)x*= a;
    x %= m;
    return x;
}

const int N = 1e5+1;
pair<int,int> tree[4*N];//max,sum
int a[N];
int n,q,k;

void build(int node,int l,int r){
     if(l == r){
       tree[node] = {a[l],a[l]};
       return;
     }
     int mid = (l+r)/2;
     build(2*node,l,mid);
     build(2*node+1,mid+1,r);
     tree[node].f = max(tree[node*2].f,tree[node*2 + 1].f);
     tree[node].s = tree[node*2].s+tree[node*2 + 1].s;
}

void range_update(int node,int l,int r,int start,int end){
     //out of range
     if(l > end || r < start)return;
     if(!tree[node].f)return;
     if(l == r){
        a[l] /= k;
        tree[node] = {a[l],a[l]};
        return;
     }
     int mid = (l+r)/2;
     range_update(2*node,l,mid,start,end);
     range_update(2*node+1,mid+1,r,start,end);
     tree[node].f = max(tree[node*2].f,tree[node*2 + 1].f);
     tree[node].s = tree[node*2].s+tree[node*2 + 1].s;
}

void point_update(int node,int l,int r,int ind,int x){
     if(l > ind || r < ind)return;
     if(l == r){
        a[l] = x;
        tree[node] = {x,x};
        return;
     }
     int mid = (l+r)/2;
     point_update(2*node,l,mid,ind,x);
     point_update(2*node+1,mid+1,r,ind,x);
     tree[node].f = max(tree[node*2].f,tree[node*2 + 1].f);
     tree[node].s = tree[node*2].s+tree[node*2 + 1].s;
}

int sum(int node,int l,int r,int start,int end){
     if(l > end || r < start)return 0;
     if(l >= start && r <= end){
       return tree[node].s;
     }
     int mid = (l+r)/2;
     return sum(2*node,l,mid,start,end)+sum(2*node+1,mid+1,r,start,end);
}

void solve(){
     cin >> n >> q >> k;
     RE(i,n)cin >> a[i];
     build(1,1,n);
     while(q--){
        int type;cin >> type;
        if(type == 1){
          int a,b;cin >> a >> b;
          point_update(1,1,n,a,b);
        }
        if(type == 2){
           int l,r;cin >> l >> r;
           if(k > 1)range_update(1,1,n,l,r);
        }
        if(type == 3){
          int l,r;cin >> l >> r;
          cout << sum(1,1,n,l,r) << endl;
        }
     }
}

signed main(){
  ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  //freopen(".in","r",stdin);freopen(".out","w",stdout);
  int t = 1;//cin >> t;
  WL(t)solve();
  return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 75 / 75