Submission #874228

#	Time	Username	Problem	Language	Result	Execution time	Memory
874228		8pete8	Sterilizing Spray (JOI15_sterilizing)	C++14	100 / 100	357 ms	134892 KiB

sterilizing

#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include<bitset>
#include <iomanip>  
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<pii,int>
#define vi vector<int>
#define pb push_back
//#define p push
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
using namespace std;
#pragma GCC optimize ("03,unroll-lopps")
#define int long long
#define double long double
const int mxn=1e5,inf=1e9,lg=35;
int n,k;
bool yes=false;
struct seg{
    int v[4*mxn+10][lg+5],add[4*mxn+10],cur[4*mxn+10];
    void init(){
        for(int i=0;i<4*mxn+10;i++){
            for(int j=0;j<=lg;j++)v[i][j]=0;
            add[i]=cur[i]=0;
        }
    }
    void push(int pos,int l,int r){
        if(!add[pos])return;
        cur[pos]+=add[pos];
        cur[pos]=min(cur[pos],lg);
        v[pos][0]=v[pos][cur[pos]];
        if(l!=r){
            add[pos<<1]+=add[pos];
            add[(pos<<1)^1]+=add[pos];
        }
        add[pos]=0;
    }
    void updr(int l,int r,int ql,int qr,int pos){
        push(pos,l,r);
        if(r<ql||l>qr)return;
        if(l>=ql&&r<=qr){
            add[pos]++;
            push(pos,l,r);
            return;
        }
        int mid=l+(r-l)/2;
        updr(l,mid,ql,qr,(pos<<1));
        updr(mid+1,r,ql,qr,(pos<<1)^1);
        for(int j=0;j<=lg;j++)v[pos][j]=v[pos<<1][min(cur[pos<<1]+j,lg)]+v[(pos<<1)^1][min(cur[(pos<<1)^1]+j,lg)];
        cur[pos]=0;
    }
    void updp(int l,int r,int qp,int pos,int val){
        push(pos,l,r);
        if(l>r)return;
        cur[pos]=0;
        if(l==r){
            for(int j=0;j<=lg;j++)v[pos][j]=val,val/=k;
            add[pos]=0;
            return;
        }
        int mid=l+(r-l)/2;
        if(qp<=mid)updp(l,mid,qp,(pos<<1),val);
        else updp(mid+1,r,qp,(pos<<1)^1,val);
        push(pos<<1,l,mid);
        push((pos<<1)^1,mid+1,r);
        for(int j=0;j<=lg;j++)v[pos][j]=v[pos<<1][min(cur[pos<<1]+j,lg)]+v[(pos<<1)^1][min(cur[(pos<<1)^1]+j,lg)];
    }
    int qry(int l,int r,int ql,int qr,int pos){
        push(pos,l,r);
        if(r<ql||l>qr)return 0;
        if(l>=ql&&r<=qr)return v[pos][0];
        int mid=l+(r-l)/2;
        return qry(l,mid,ql,qr,pos<<1)+qry(mid+1,r,ql,qr,(pos<<1)^1);
    }
}s;
int32_t main(){
    fastio
    int q;cin>>n>>q>>k;
    s.init();
    for(int i=1;i<=n;i++){
        int a;cin>>a;
        s.updp(1,n,i,1,a);
    }
    while(q--){
        int t,a,b;cin>>t>>a>>b;
        if(k==1&&t==2)continue;
        if(t==1)s.updp(1,n,a,1,b);
        else if(t==2)s.updr(1,n,a,b,1);
        else cout<<s.qry(1,n,a,b,1)<<"\n";
    }
    return 0;
}

Compilation message (stderr)

sterilizing.cpp:32:40: warning: bad option '-funroll-lopps' to pragma 'optimize' [-Wpragmas]
   32 | #pragma GCC optimize ("03,unroll-lopps")
      |                                        ^
sterilizing.cpp:40:15: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   40 |     void init(){
      |               ^
sterilizing.cpp:46:34: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   46 |     void push(int pos,int l,int r){
      |                                  ^
sterilizing.cpp:57:48: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   57 |     void updr(int l,int r,int ql,int qr,int pos){
      |                                                ^
sterilizing.cpp:71:49: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   71 |     void updp(int l,int r,int qp,int pos,int val){
      |                                                 ^
sterilizing.cpp:87:46: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   87 |     int qry(int l,int r,int ql,int qr,int pos){
      |                                              ^
sterilizing.cpp:95:14: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   95 | int32_t main(){
      |              ^

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