oj.uz

Submission #197283

# Submission time Handle Problem Language Result Execution time Memory
197283 2020-01-20T06:21:30 Z TAISA_ Sterilizing Spray (JOI15_sterilizing) C++14
80 / 100
 5000 ms 10872 KB 
#include<bits/stdc++.h>
#define all(vec) vec.begin(),vec.end()
using namespace std;
using ll=long long;
using P=pair<ll,ll>;
const ll LINF=(1LL<<60)-1LL;
int dx[4]={0,1,0,-1};
int dy[4]={1,0,-1,0};
struct Segtree{
	int n;
	vector<ll> dat;
	Segtree(int n_){
		n=1;
		while(n<n_){
			n<<=1;
		}
		dat.resize(2*n);
	}
	void upd(int k,ll x){
		k+=n;
		dat[k]=x;
		k>>=1;
		while(k>0){
			dat[k]=dat[k<<1]+dat[k<<1|1];
			k>>=1;
		}
	}
	ll get(int a,int b,int k,int l,int r){
		if(b<=l||r<=a){
			return 0;
		}
		if(a<=l&&r<=b){
			return dat[k];
		}
		return get(a,b,k<<1,l,(l+r)/2)+get(a,b,k<<1|1,(l+r)/2,r);
	}
	inline ll get(int a,int b){
		return get(a,b,1,0,n);
	}
};
int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);
	int n,q,k;cin>>n>>q>>k;
	vector<ll> c(n);
	set<int> st;
	Segtree seg(n);
	for(int i=0;i<n;i++){
		cin>>c[i];
		if(c[i]>0){
			st.insert(i);
		}
		seg.upd(i,c[i]);
	}
	for(int i=0;i<q;i++){
		int t,a,b;cin>>t>>a>>b;
		if(t==1){
			--a;
			if(c[a]>0){
				st.erase(a);
			}
			c[a]=b;
			if(b>0){
				st.insert(a);
			}
			seg.upd(a,b);
		}else if(t==2){
			--a;--b;
			auto it=st.lower_bound(a);
			vector<int> v;
			for(;it!=st.end();it++){
				if((*it)>b){
					break;
				}
				c[*it]/=k;
				if(c[*it]==0){
					v.emplace_back(*it);
				}
				seg.upd((*it),c[*it]);
			}
			for(auto &e:v){
				st.erase(e);
			}
		}else{
			--a;--b;
			cout<<seg.get(a,b+1)<<endl;
		}
	}
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 376 KB Output is correct
2 Correct 7 ms 376 KB Output is correct
3 Correct 4 ms 504 KB Output is correct
4 Correct 10 ms 504 KB Output is correct
5 Correct 11 ms 632 KB Output is correct
6 Correct 9 ms 632 KB Output is correct
7 Correct 11 ms 632 KB Output is correct
8 Correct 11 ms 632 KB Output is correct
9 Correct 12 ms 636 KB Output is correct
10 Correct 10 ms 632 KB Output is correct
11 Correct 10 ms 632 KB Output is correct
12 Correct 10 ms 632 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5091 ms 5392 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 1216 KB Output is correct
2 Correct 38 ms 3064 KB Output is correct
3 Correct 53 ms 3320 KB Output is correct
4 Correct 151 ms 2916 KB Output is correct
5 Correct 189 ms 7376 KB Output is correct
6 Correct 190 ms 7032 KB Output is correct
7 Execution timed out 5099 ms 6348 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 186 ms 6008 KB Output is correct
2 Correct 203 ms 6264 KB Output is correct
3 Correct 210 ms 5136 KB Output is correct
4 Correct 223 ms 4600 KB Output is correct
5 Correct 308 ms 10764 KB Output is correct
6 Correct 348 ms 10744 KB Output is correct
7 Correct 323 ms 10872 KB Output is correct
8 Correct 387 ms 10744 KB Output is correct
9 Correct 339 ms 10688 KB Output is correct
10 Correct 373 ms 10788 KB Output is correct
11 Correct 312 ms 10616 KB Output is correct
12 Correct 476 ms 10712 KB Output is correct