Submission #1014952

#TimeUsernameProblemLanguageResultExecution timeMemory
1014952lambd47Sterilizing Spray (JOI15_sterilizing)C++17
10 / 100
99 ms10344 KiB
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
 
#include <bits/stdc++.h>
 
using namespace std;
 
#define int long long 
const int MOD = 1000000007;
const char nl = '\n';
const int MX = 100001; 
int arr[MX]; 
struct node{
    int soma, mx;
    node operator+(node aux){
        return {soma+aux.soma,max(mx,aux.mx)};
    }
};

node seg[4*MX];
int potencias[30];

int k;

void build(int pos, int ini, int fim){
    if(ini==fim){
        seg[pos]={arr[ini],arr[ini]};
        return;
    }
    int m=(ini+fim)/2;
    int e=2*pos,d=2*pos+1;
    build(e,ini,m);
    build(d,m+1,fim);
    seg[pos]=seg[e]+seg[d];
}

void updt1(int pos, int ini, int fim, int id, int val){
    if(ini>id || fim<id)return;
    if(ini==fim){
        seg[pos]={val,val};
        return;
    }
    int m=(ini+fim)/2;
    int e=2*pos,d=2*pos+1;
    updt1(e,ini,m,id,val);
    updt1(d,m+1,fim,id,val);
    seg[pos]=seg[e]+seg[d];
}

void spray(int pos,int ini, int fim, int l, int r){
    if(ini>r || fim<l)return;
    if(l<=ini && fim<=r){
        seg[pos].mx/=k;
        if(seg[pos].mx==0){
            seg[pos].soma=0;
            return;
        }
        else if(ini==fim){
            seg[pos].soma=seg[pos].mx;
            return;
        }
    }
    int m=(ini+fim)/2;
    int e=2*pos,d=2*pos+1;
    spray(e,ini,m,l,r);
    spray(d,m+1,fim,l,r);
    seg[pos]=seg[e]+seg[d];
}

int query(int pos, int ini, int fim, int l, int r){
    if(ini>r || fim<l)return 0;
    if(l<=ini && fim<=r){
        return seg[pos].soma;
    }
    int m=(ini+fim)/2;
    int e=2*pos,d=2*pos+1;
    return query(e,ini,m,l,r)+query(d,m+1,fim,l,r);
}

void solve() {
    int n,q;
    cin>>n>>q>>k;
    for(int i=1;i<=n;i++){
        cin>>arr[i];
    }
    build(1,1,n);
    while(q--){
        int tipo,a,b;
        cin>>tipo>>a>>b;
        if(tipo==1){
            updt1(1,1,n,a,b);
        }
        else if(tipo==2){
            if(k==1)continue;
            spray(1,1,n,a,b);
        }
        else{
            cout<<query(1,1,n,a,b)<<endl;
        }
    }
 
}
 
int32_t main() {
    cin.tie(0)->sync_with_stdio(0); 
    cin.exceptions(cin.failbit);
 
    int T = 1;
//    cin >> T;
    while(T--) {
        solve();
    }
 
	return 0;
}
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