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답안 #1011202

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1011202 2024-06-30T05:27:16 Z pcc Employment (JOI16_employment) C++17
100 / 100
 169 ms 17812 KB 
#include <bits/stdc++.h>
using namespace std;

#define pii pair<int,int>
#define fs first
#define sc second
#define _all(T) T.begin(),T.end()

const int mxn = 2e5+10;
const int LEN = 1e6;

struct BIT{
	int bit[LEN];
	BIT(){
		memset(bit,0,sizeof(bit));
	}
	void modify(int p,int v){
		for(;p<LEN;p+=p&-p)bit[p] += v;
		return;
	}
	int getval(int s,int e = -1){
		if(e==-1)swap(s,e);
		int re = 0;
		for(;e>0;e-= e&-e)re += bit[e];
		s--;
		for(;s>0;s-= s&-s)re -= bit[s];
		return re;
	}
};

int arr[mxn];
BIT bit1,bit2;
int N,Q;
vector<int> all;
pii req[mxn];

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N>>Q;
	for(int i = 1;i<=N;i++){
		cin>>arr[i];
		all.push_back(arr[i]);
	}
	all.push_back(-1);
	for(int i = 1;i<=Q;i++){
		int t;
		cin>>t;
		if(t == 2){
			int a,b;
			cin>>a>>b;
			req[i] = pii(a,b);
			all.push_back(b);
		}
		else{
			int k;
			cin>>k;
			all.push_back(k);
			req[i] = pii(-1,k);
		}
	}
	sort(_all(all));all.resize(unique(_all(all))-all.begin());
	for(int i = 0;i<=N+1;i++){
		arr[i] = lower_bound(_all(all),arr[i])-all.begin();
		bit2.modify(arr[i],1);
	}
	for(int i = 1;i<=N+1;i++){
		bit1.modify(min(arr[i],arr[i-1]),1);
	}
	for(int i = 1;i<=Q;i++){
		req[i].sc = lower_bound(_all(all),req[i].sc)-all.begin();
		if(req[i].fs<0){
			int tar = req[i].sc;
			cout<<bit2.getval(tar,all.size())-bit1.getval(tar,all.size())<<'\n';
		}
		else{
			auto [pos,val] = req[i];
			bit2.modify(arr[pos],-1);
			bit1.modify(min(arr[pos],arr[pos-1]),-1);
			bit1.modify(min(arr[pos],arr[pos+1]),-1);
			arr[pos] = val;
			bit2.modify(arr[pos],1);
			bit1.modify(min(arr[pos],arr[pos-1]),1);
			bit1.modify(min(arr[pos],arr[pos+1]),1);
		}
	}
	return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 8280 KB Output is correct
2 Correct 3 ms 8284 KB Output is correct
3 Correct 3 ms 8288 KB Output is correct
4 Correct 3 ms 8184 KB Output is correct
5 Correct 3 ms 8284 KB Output is correct
6 Correct 4 ms 8288 KB Output is correct
7 Correct 4 ms 8236 KB Output is correct
8 Correct 4 ms 8284 KB Output is correct
9 Correct 4 ms 8284 KB Output is correct
10 Correct 4 ms 8284 KB Output is correct
11 Correct 5 ms 8284 KB Output is correct
12 Correct 5 ms 8280 KB Output is correct
13 Correct 5 ms 8284 KB Output is correct
14 Correct 4 ms 8284 KB Output is correct
15 Correct 5 ms 8308 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 8280 KB Output is correct
2 Correct 4 ms 8184 KB Output is correct
3 Correct 4 ms 8280 KB Output is correct
4 Correct 12 ms 9052 KB Output is correct
5 Correct 22 ms 9696 KB Output is correct
6 Correct 44 ms 10292 KB Output is correct
7 Correct 52 ms 11212 KB Output is correct
8 Correct 66 ms 11844 KB Output is correct
9 Correct 117 ms 14272 KB Output is correct
10 Correct 98 ms 14500 KB Output is correct
11 Correct 127 ms 16584 KB Output is correct
12 Correct 148 ms 17552 KB Output is correct
13 Correct 142 ms 17500 KB Output is correct
14 Correct 139 ms 17372 KB Output is correct
15 Correct 142 ms 17604 KB Output is correct
16 Correct 143 ms 17604 KB Output is correct
17 Correct 140 ms 17608 KB Output is correct
18 Correct 165 ms 17592 KB Output is correct
19 Correct 151 ms 17540 KB Output is correct
20 Correct 142 ms 17788 KB Output is correct

Subtask #3
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 8280 KB Output is correct
2 Correct 3 ms 8284 KB Output is correct
3 Correct 3 ms 8288 KB Output is correct
4 Correct 3 ms 8184 KB Output is correct
5 Correct 3 ms 8284 KB Output is correct
6 Correct 4 ms 8288 KB Output is correct
7 Correct 4 ms 8236 KB Output is correct
8 Correct 4 ms 8284 KB Output is correct
9 Correct 4 ms 8284 KB Output is correct
10 Correct 4 ms 8284 KB Output is correct
11 Correct 5 ms 8284 KB Output is correct
12 Correct 5 ms 8280 KB Output is correct
13 Correct 5 ms 8284 KB Output is correct
14 Correct 4 ms 8284 KB Output is correct
15 Correct 5 ms 8308 KB Output is correct
16 Correct 4 ms 8280 KB Output is correct
17 Correct 4 ms 8184 KB Output is correct
18 Correct 4 ms 8280 KB Output is correct
19 Correct 12 ms 9052 KB Output is correct
20 Correct 22 ms 9696 KB Output is correct
21 Correct 44 ms 10292 KB Output is correct
22 Correct 52 ms 11212 KB Output is correct
23 Correct 66 ms 11844 KB Output is correct
24 Correct 117 ms 14272 KB Output is correct
25 Correct 98 ms 14500 KB Output is correct
26 Correct 127 ms 16584 KB Output is correct
27 Correct 148 ms 17552 KB Output is correct
28 Correct 142 ms 17500 KB Output is correct
29 Correct 139 ms 17372 KB Output is correct
30 Correct 142 ms 17604 KB Output is correct
31 Correct 143 ms 17604 KB Output is correct
32 Correct 140 ms 17608 KB Output is correct
33 Correct 165 ms 17592 KB Output is correct
34 Correct 151 ms 17540 KB Output is correct
35 Correct 142 ms 17788 KB Output is correct
36 Correct 4 ms 8280 KB Output is correct
37 Correct 4 ms 8284 KB Output is correct
38 Correct 4 ms 8284 KB Output is correct
39 Correct 13 ms 9048 KB Output is correct
40 Correct 22 ms 9760 KB Output is correct
41 Correct 36 ms 10684 KB Output is correct
42 Correct 53 ms 11740 KB Output is correct
43 Correct 70 ms 12492 KB Output is correct
44 Correct 127 ms 15992 KB Output is correct
45 Correct 102 ms 15056 KB Output is correct
46 Correct 112 ms 15304 KB Output is correct
47 Correct 167 ms 17304 KB Output is correct
48 Correct 156 ms 17632 KB Output is correct
49 Correct 152 ms 17632 KB Output is correct
50 Correct 164 ms 17356 KB Output is correct
51 Correct 150 ms 17604 KB Output is correct
52 Correct 154 ms 17644 KB Output is correct
53 Correct 155 ms 17604 KB Output is correct
54 Correct 158 ms 17640 KB Output is correct
55 Correct 169 ms 17812 KB Output is correct