oj.uz

Submission #143525

# Submission time Handle Problem Language Result Execution time Memory
143525 2019-08-14T13:20:52 Z kig9981 Employment (JOI16_employment) C++17
100 / 100
 250 ms 5828 KB 
#include <bits/stdc++.h>

#ifdef NON_SUBMIT
#define TEST(n) (n)
#define tout cerr
#else
#define TEST(n) ((void)0)
#define tout cin
#endif

using namespace std;

int N, tree[400001], A[200000];
vector<int> x;
vector<pair<int,int>> Q;

void update(int n, int v)
{
	for(++n;n;n-=n&-n) tree[n]+=v;
}

int get_cnt(int n)
{
	int ret=0;
	for(++n;n<=400000;n+=n&-n) ret+=tree[n];
	return ret;
}

void set_value(int i, int m)
{
	int v=i==0;
	v+=(i && A[i-1]<A[i]);
	v-=(i+1<N && A[i]<A[i+1]);
	update(A[i],m*v);
}

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);
	TEST(freopen("input.txt", "r", stdin));
	TEST(freopen("output.txt", "w", stdout));
	TEST(freopen("debug.txt", "w", stderr));
	int M;
	cin>>N>>M;
	for(int i=0;i<N;i++) {
		cin>>A[i];
		x.push_back(A[i]);
	}
	Q.resize(M);
	for(auto &[a,b]: Q) {
		int t;
		cin>>t>>a; b=-1;
		if(t==2) {
			cin>>b; --a;
			x.push_back(b);
		}
	}
	sort(x.begin(),x.end());
	x.resize(unique(x.begin(),x.end())-x.begin());
	for(int i=0;i<N;i++) A[i]=lower_bound(x.begin(),x.end(),A[i])-x.begin();
	for(int i=0;i<N;i++) set_value(i,1);
	for(auto &[a,b]: Q) {
		if(b==-1) cout<<get_cnt(lower_bound(x.begin(),x.end(),a)-x.begin())<<'\n';
		else {
			set_value(a,-1);
			if(a) set_value(a-1,-1);
			if(a+1<N) set_value(a+1,-1);
			A[a]=lower_bound(x.begin(),x.end(),b)-x.begin();
			set_value(a,1);
			if(a) set_value(a-1,1);
			if(a+1<N) set_value(a+1,1);
		}
	}
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 4 ms 376 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 4 ms 376 KB Output is correct
14 Correct 4 ms 376 KB Output is correct
15 Correct 4 ms 632 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 4 ms 376 KB Output is correct
3 Correct 4 ms 376 KB Output is correct
4 Correct 15 ms 852 KB Output is correct
5 Correct 29 ms 1244 KB Output is correct
6 Correct 43 ms 1784 KB Output is correct
7 Correct 68 ms 2288 KB Output is correct
8 Correct 86 ms 2804 KB Output is correct
9 Correct 142 ms 4464 KB Output is correct
10 Correct 140 ms 4080 KB Output is correct
11 Correct 170 ms 4976 KB Output is correct
12 Correct 188 ms 5520 KB Output is correct
13 Correct 194 ms 5616 KB Output is correct
14 Correct 188 ms 5368 KB Output is correct
15 Correct 187 ms 5364 KB Output is correct
16 Correct 193 ms 5612 KB Output is correct
17 Correct 198 ms 5668 KB Output is correct
18 Correct 193 ms 5616 KB Output is correct
19 Correct 192 ms 5612 KB Output is correct
20 Correct 195 ms 5592 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 4 ms 376 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 4 ms 376 KB Output is correct
14 Correct 4 ms 376 KB Output is correct
15 Correct 4 ms 632 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 4 ms 376 KB Output is correct
18 Correct 4 ms 376 KB Output is correct
19 Correct 15 ms 852 KB Output is correct
20 Correct 29 ms 1244 KB Output is correct
21 Correct 43 ms 1784 KB Output is correct
22 Correct 68 ms 2288 KB Output is correct
23 Correct 86 ms 2804 KB Output is correct
24 Correct 142 ms 4464 KB Output is correct
25 Correct 140 ms 4080 KB Output is correct
26 Correct 170 ms 4976 KB Output is correct
27 Correct 188 ms 5520 KB Output is correct
28 Correct 194 ms 5616 KB Output is correct
29 Correct 188 ms 5368 KB Output is correct
30 Correct 187 ms 5364 KB Output is correct
31 Correct 193 ms 5612 KB Output is correct
32 Correct 198 ms 5668 KB Output is correct
33 Correct 193 ms 5616 KB Output is correct
34 Correct 192 ms 5612 KB Output is correct
35 Correct 195 ms 5592 KB Output is correct
36 Correct 3 ms 376 KB Output is correct
37 Correct 4 ms 376 KB Output is correct
38 Correct 4 ms 504 KB Output is correct
39 Correct 17 ms 760 KB Output is correct
40 Correct 31 ms 1272 KB Output is correct
41 Correct 53 ms 1780 KB Output is correct
42 Correct 77 ms 2292 KB Output is correct
43 Correct 103 ms 2956 KB Output is correct
44 Correct 192 ms 4848 KB Output is correct
45 Correct 154 ms 4068 KB Output is correct
46 Correct 178 ms 4428 KB Output is correct
47 Correct 232 ms 5784 KB Output is correct
48 Correct 235 ms 5676 KB Output is correct
49 Correct 235 ms 5788 KB Output is correct
50 Correct 233 ms 5684 KB Output is correct
51 Correct 238 ms 5736 KB Output is correct
52 Correct 240 ms 5736 KB Output is correct
53 Correct 240 ms 5828 KB Output is correct
54 Correct 238 ms 5736 KB Output is correct
55 Correct 250 ms 5804 KB Output is correct