#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define mp make_pair
using namespace std;
void db() {cout << endl;}
template <typename T, typename ...U> void db(T a, U ...b) {cout << a << ' ', db(b...);}
#ifdef Cloud
#define file freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#else
#define file ios::sync_with_stdio(false); cin.tie(0)
#endif
#define pii pair<int, int>
const int inf = 1e9, N = 120, _N = 501, mod = 998244353;
pair<int, int> p[_N][N]{};
pii get(pii u){
return p[u.fi][u.se] = p[u.fi][u.se] == u ? u : get(p[u.fi][u.se]);
}
void merge(pii a, pii b){
b = get(b);
p[a.fi][a.se] = b;
}
int main(){
file;
/*
int n;
cin >> n;
int a[n], tot = 0;
for (int &i : a) cin >> i, tot += i;
if (tot % 2) return cout << 0 << '\n', 0;
int cnt[N]{};
bool dp[N]{}, can[_N][N]{};
for (int i = 0; i < N; i++) p[n][i] = {n, i};
for (int i = n - 1; i >= 0; i--){
for (int j = 0; j < N; j++) p[i][j] = p[i + 1][j];
for (int j = a[i]; j < N; j++) merge(p[i][j], p[i + 1][j - a[i]]);
}
dp[0] = 1;
//db(p[3][8]);
for (int i = 0; i < n; i++){
bool can[N]{};
for (int j = 0; j < N; j++) if (dp[j]) {
auto u = get(i + 1, j);
can[u.fi][u.se] = 1;
}
for (int j = 0; j < N; j++) {
auto u = get(i + 1, j);
if (can[u.fi][u.se] and j * 2 >= tot - a[i]){
db(i, j, j * 2 - tot + a[i]);
cnt[j * 2 - tot + a[i]]++;
}
}
for (int j = N - 1; j >= a[i]; j--) dp[j] |= dp[j - a[i]];
}
if (!dp[tot / 2]) return cout << 0 << '\n', 0;
vector<int> ans;
for (int i = 1; i < N; i++) if (cnt[i] == n) ans.push_back(i);
cout << ans.size() << '\n';
for (int i : ans) cout << i << ' ';
*/
int n;
cin >> n;
int a[n], ans = 0;
for (int &i : a) cin >> i;
set<int> s;
for (int i = 0; i < n; i++){
ans++;
auto it = s.upper_bound(a[i]);
int x = it == s.end() ? inf : *it;
s.insert(a[i]);
//db(i, x);
while (i + 1 < n and a[i + 1] >= a[i] and a[i + 1] <= x)
i++, s.insert(a[i]);
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
316 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
324 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
316 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
324 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
0 ms |
328 KB |
Output is correct |
25 |
Correct |
0 ms |
320 KB |
Output is correct |
26 |
Correct |
0 ms |
320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
316 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
324 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
0 ms |
328 KB |
Output is correct |
25 |
Correct |
0 ms |
320 KB |
Output is correct |
26 |
Correct |
0 ms |
320 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
204 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
1 ms |
320 KB |
Output is correct |
32 |
Correct |
1 ms |
204 KB |
Output is correct |
33 |
Correct |
1 ms |
204 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
1 ms |
332 KB |
Output is correct |
38 |
Correct |
0 ms |
324 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
316 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
324 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
0 ms |
328 KB |
Output is correct |
25 |
Correct |
0 ms |
320 KB |
Output is correct |
26 |
Correct |
0 ms |
320 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
204 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
1 ms |
320 KB |
Output is correct |
32 |
Correct |
1 ms |
204 KB |
Output is correct |
33 |
Correct |
1 ms |
204 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
1 ms |
332 KB |
Output is correct |
38 |
Correct |
0 ms |
324 KB |
Output is correct |
39 |
Correct |
72 ms |
5352 KB |
Output is correct |
40 |
Correct |
125 ms |
3980 KB |
Output is correct |
41 |
Correct |
41 ms |
2308 KB |
Output is correct |
42 |
Correct |
37 ms |
2140 KB |
Output is correct |
43 |
Correct |
37 ms |
1840 KB |
Output is correct |
44 |
Correct |
111 ms |
4708 KB |
Output is correct |
45 |
Correct |
116 ms |
4808 KB |
Output is correct |
46 |
Correct |
106 ms |
4792 KB |
Output is correct |
47 |
Correct |
95 ms |
4804 KB |
Output is correct |
48 |
Correct |
128 ms |
4804 KB |
Output is correct |
49 |
Correct |
487 ms |
23304 KB |
Output is correct |
50 |
Correct |
534 ms |
25140 KB |
Output is correct |
51 |
Correct |
537 ms |
26216 KB |
Output is correct |
52 |
Correct |
464 ms |
25156 KB |
Output is correct |
53 |
Correct |
435 ms |
25924 KB |
Output is correct |
54 |
Correct |
526 ms |
26148 KB |
Output is correct |
55 |
Correct |
1067 ms |
54684 KB |
Output is correct |
56 |
Correct |
982 ms |
54864 KB |
Output is correct |
57 |
Correct |
1030 ms |
54724 KB |
Output is correct |
58 |
Correct |
1018 ms |
54760 KB |
Output is correct |
59 |
Correct |
1074 ms |
51728 KB |
Output is correct |
60 |
Correct |
1054 ms |
51684 KB |
Output is correct |
61 |
Correct |
1014 ms |
55232 KB |
Output is correct |
62 |
Correct |
1084 ms |
55184 KB |
Output is correct |