제출 #1014932

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1014932		lambd47	Sterilizing Spray (JOI15_sterilizing)	C++14	0 / 100	63 ms	5080 KiB

sterilizing

#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef complex<ld> cd;
 
typedef pair<int, int> pi;
typedef pair<ll,ll> pl;
typedef pair<ld,ld> pd;
 
typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<cd> vcd;
 
template<class T> using pq = priority_queue<T>;
template<class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
 
#define FOR(i, a, b) for (int i=a; i<(b); i++)
#define F0R(i, a) for (int i=0; i<(a); i++)
#define FORd(i,a,b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i,a) for (int i = (a)-1; i >= 0; i--)
#define trav(a,x) for (auto& a : x)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
 
#define sz(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define ins insert
 
template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
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)<<"\n";
        }
    }
 
}
 
int main() {
    cin.tie(0)->sync_with_stdio(0); 
    cin.exceptions(cin.failbit);
 
    int T = 1;
//    cin >> T;
    while(T--) {
        solve();
    }
 
	return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 75