oj.uz

Submission #257949

# Submission time Handle Problem Language Result Execution time Memory
257949 2020-08-05T05:54:05 Z 임성재(#5053) Employment (JOI16_employment) C++17
100 / 100
 237 ms 7416 KB 
#include<bits/stdc++.h>
using namespace std;

#define fast ios::sync_with_stdio(false); cin.tie(NULL)
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define em emplace
#define all(v) (v).begin(), (v).end()
#define pre(a) cout<<fixed; cout.precision(a)
#define mp make_pair

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int inf = 1e9;
const ll INF = 1e18;

int n, q;
int a[200010];
int t[200010];
int b[200010];
int c[200010];
int tree[401010];
vector<int> v;

void update(int i, int x) {
	//cout << i << "!!! " << x << endl;

	while(i <= 400010) {
		tree[i] += x;
		i += i & -i;
	}
}

int sum(int i) {
	int ret = 0;

	while(i) {
		ret += tree[i];

		i -= i & -i;
	}

	return ret;
}

bool up(int x) {
	if(x < 1 || x > n) return false;

	if(a[x-1] < a[x] && a[x] >= a[x+1]) return true;
	return false;
}

bool down(int x) {
	if(x < 1 || x > n) return false;
	if(a[x-1] >= a[x] && a[x] < a[x+1]) return true;
	return false;
}

int main() {
	fast;

	cin >> n >> q;

	for(int i=1; i<=n; i++) {
		cin >> a[i];
		v.eb(a[i]);
	}

	for(int i=1; i<=q; i++) {
		cin >> t[i];

		if(t[i] == 2) cin >> b[i];

		cin >> c[i];

		v.eb(c[i]);
	}

	sort(all(v));
	v.erase(unique(all(v)), v.end());

	for(int i=1; i<=n; i++) {
		a[i] = lower_bound(all(v), a[i]) - v.begin() + 1;
	}

	for(int i=1; i<=n; i++) {
		if(up(i)) update(a[i]+1, -1);
		if(down(i)) update(a[i]+1, 1);
	}

	for(int i=1; i<=q; i++) {
		c[i] = lower_bound(all(v), c[i]) - v.begin() + 1;

		if(t[i] == 1) {
			cout << sum(c[i]) + 1 << "\n";
		}
		else {
			if(up(b[i])) update(a[b[i]]+1, 1);
			if(down(b[i])) update(a[b[i]]+1, -1);
			if(up(b[i]+1)) update(a[b[i]+1]+1, 1);
			if(down(b[i]+1)) update(a[b[i]+1]+1, -1);
			if(up(b[i]-1)) update(a[b[i]-1]+1, 1);
			if(down(b[i]-1)) update(a[b[i]-1]+1, -1);

			a[b[i]] = c[i];

			if(up(b[i])) update(a[b[i]]+1, -1);
			if(down(b[i])) update(a[b[i]]+1, 1);
			if(up(b[i]+1)) update(a[b[i]+1]+1, -1);
			if(down(b[i]+1)) update(a[b[i]+1]+1, 1);
			if(up(b[i]-1)) update(a[b[i]-1]+1, -1);
			if(down(b[i]-1)) update(a[b[i]-1]+1, 1);
		}
	}
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 2 ms 512 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 15 ms 1024 KB Output is correct
5 Correct 29 ms 1528 KB Output is correct
6 Correct 47 ms 2164 KB Output is correct
7 Correct 74 ms 3196 KB Output is correct
8 Correct 90 ms 3692 KB Output is correct
9 Correct 165 ms 5864 KB Output is correct
10 Correct 144 ms 4948 KB Output is correct
11 Correct 194 ms 6504 KB Output is correct
12 Correct 212 ms 7016 KB Output is correct
13 Correct 203 ms 7016 KB Output is correct
14 Correct 214 ms 7016 KB Output is correct
15 Correct 201 ms 7016 KB Output is correct
16 Correct 215 ms 7272 KB Output is correct
17 Correct 216 ms 7400 KB Output is correct
18 Correct 204 ms 7144 KB Output is correct
19 Correct 208 ms 7272 KB Output is correct
20 Correct 202 ms 7144 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 15 ms 1024 KB Output is correct
20 Correct 29 ms 1528 KB Output is correct
21 Correct 47 ms 2164 KB Output is correct
22 Correct 74 ms 3196 KB Output is correct
23 Correct 90 ms 3692 KB Output is correct
24 Correct 165 ms 5864 KB Output is correct
25 Correct 144 ms 4948 KB Output is correct
26 Correct 194 ms 6504 KB Output is correct
27 Correct 212 ms 7016 KB Output is correct
28 Correct 203 ms 7016 KB Output is correct
29 Correct 214 ms 7016 KB Output is correct
30 Correct 201 ms 7016 KB Output is correct
31 Correct 215 ms 7272 KB Output is correct
32 Correct 216 ms 7400 KB Output is correct
33 Correct 204 ms 7144 KB Output is correct
34 Correct 208 ms 7272 KB Output is correct
35 Correct 202 ms 7144 KB Output is correct
36 Correct 2 ms 512 KB Output is correct
37 Correct 2 ms 512 KB Output is correct
38 Correct 3 ms 512 KB Output is correct
39 Correct 16 ms 1024 KB Output is correct
40 Correct 30 ms 1528 KB Output is correct
41 Correct 52 ms 2164 KB Output is correct
42 Correct 74 ms 2804 KB Output is correct
43 Correct 99 ms 3696 KB Output is correct
44 Correct 191 ms 5992 KB Output is correct
45 Correct 155 ms 5160 KB Output is correct
46 Correct 168 ms 5608 KB Output is correct
47 Correct 223 ms 7148 KB Output is correct
48 Correct 229 ms 7400 KB Output is correct
49 Correct 222 ms 7272 KB Output is correct
50 Correct 221 ms 7148 KB Output is correct
51 Correct 226 ms 7400 KB Output is correct
52 Correct 230 ms 7400 KB Output is correct
53 Correct 229 ms 7272 KB Output is correct
54 Correct 237 ms 7356 KB Output is correct
55 Correct 235 ms 7416 KB Output is correct