제출 #1006202

#제출 시각아이디문제언어결과실행 시간메모리
10062020pt1mus23Sterilizing Spray (JOI15_sterilizing)C++14
90 / 100
5050 ms3156 KiB
#pragma GCC optimize("O3", "inline")
#include <bits/stdc++.h>
using namespace std;
#define ins insert
#define pb push_back
#define int long long int
#define pii pair<int, int>
#define endl '\n'
#define drop(x) cout<<(x)<<endl; return;
#define all(x) x.begin(),x.end()
const int mod = 1e9 +7, sze = 4*100000, inf = 2e18, prime = 23;
int T[sze];
void upd(int node,int idx,int l,int r,int v){
    if(l==r){
        T[node]=v;
        return;
    }
    int mid = l+r>>1;
    if(idx<=mid){
        upd(2*node,idx,l,mid,v);
    }
    else{
        upd(2*node +1,idx,mid+1,r,v);
    }
    T[node]= T[2*node] + T[2*node +1];

}

void sil(int node,int l,int r,int lx,int rx,int v){
    // cout<<T[node]<<endl;
    if(lx>r || rx<l || T[node]==0){
        return;
    }
    if(lx==rx){
        // cout<<T[node]<<" silirem"<<endl;
        T[node]/=v;
        return;
    }
    int mid = lx+rx>>1;
    sil(2*node,l,r,lx,mid,v);
    sil(2*node +1,l,r,mid+1,rx,v);
    T[node]= T[2*node] + T[2*node +1];
}
int qry(int node,int l,int r,int lx,int rx){
    if(l>rx || lx>r || T[node]==0){
        return 0;
    }
    if(lx>=l && rx<=r){
        return T[node];
    }
    int mid = lx+rx>>1;
    int left = qry(2*node,l,r,lx,mid);
    int right = qry(2*node +1,l,r,mid+1,rx);
    return left+right;
}

void mal(){
    int n,m,k;
    cin>>n>>m>>k;
    for(int i=0;i<n;i++){
        int x;cin>>x;
        upd(1,i,0,n-1,x);
    }
    while(m--){
        int op;cin>>op;
        if(op==1){
            int idx,v;cin>>idx>>v;
            upd(1,--idx,0,n-1,v);
        }
        else if(op==2){
            int l,r;cin>>l>>r;
            --l;--r;
            sil(1,l,r,0,n-1,k);
            // cout<<"sildim: "<<T[1]<<endl;
        }
        else if(op==3){
            int l,r;cin>>l>>r;
            --l;--r;
            cout<<qry(1,l,r,0,n-1)<<endl;
        }

    }

}  


signed main() {
    cin.tie(0)->sync_with_stdio(0);
    int tt = 1;
    // cin>>tt;
    
    while(tt--){
        mal();        
    }
}

컴파일 시 표준 에러 (stderr) 메시지

sterilizing.cpp: In function 'void upd(long long int, long long int, long long int, long long int, long long int)':
sterilizing.cpp:18:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   18 |     int mid = l+r>>1;
      |               ~^~
sterilizing.cpp: In function 'void sil(long long int, long long int, long long int, long long int, long long int, long long int)':
sterilizing.cpp:39:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   39 |     int mid = lx+rx>>1;
      |               ~~^~~
sterilizing.cpp: In function 'long long int qry(long long int, long long int, long long int, long long int, long long int)':
sterilizing.cpp:51:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |     int mid = lx+rx>>1;
      |               ~~^~~
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