#include <bits/stdc++.h>
#define fi first
#define se second
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pill pair<int,ll>
#define mem(a, b) memset(a, b, sizeof(a))
#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)
#define name "test"
using namespace std;
const int N = 2e5 + 5;
const int mod = 1e9 + 7;
const ll oo = 1e18 + 69;
template <typename T1, typename T2> bool maxi(T1 &a, T2 b){if (a < b){a = b; return 1;} return 0;}
template <typename T1, typename T2> bool mini(T1 &a, T2 b){if (a > b){a = b; return 1;} return 0;}
int n;
int k;
int D;
int a[N];
int f[(int)4e2 + 2][(int)4e2 + 2];
vector <int> value;
void load(){
cin.tie(0)->sync_with_stdio(0);
if (fopen(name".inp", "r")){
freopen(name".inp", "r", stdin);
freopen(name".ans", "w", stdout);
}
}
void input(){
cin >> n >> D;
for (int i = 1; i <= n; i++){
cin >> a[i];
}
}
void compress(){
for (int i = 1; i <= n; i++)
value.push_back(a[i]);
sort(value.begin(), value.end());
value.erase(unique(value.begin(), value.end()), value.end());
for (int i = 1; i <= n; i++)
a[i] = lower_bound(value.begin(), value.end(), a[i]) - value.begin() + 1;
k = (int)value.size();
}
void solve(){
compress();
mem(f, -0x3f);
for (int i = 1; i <= n; i++){
f[i][a[i]] = 1;
for (int j = i - 1; j >= max(1, i - D); j--){
for (int x = 1; x <= k; x++){
maxi(f[i][max(x,a[i])], f[j][x] + (x < a[i]));
}
}
}
int ans = 0;
for (int i = 1; i <= k; i++)
maxi(ans, f[n][i]);
cout << ans;
}
int main(){
load();
input();
solve();
}
Compilation message
Main.cpp: In function 'void load()':
Main.cpp:32:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
32 | freopen(name".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:33:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
33 | freopen(name".ans", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
860 KB |
Output is correct |
2 |
Correct |
0 ms |
860 KB |
Output is correct |
3 |
Correct |
0 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
860 KB |
Output is correct |
5 |
Correct |
0 ms |
860 KB |
Output is correct |
6 |
Correct |
0 ms |
860 KB |
Output is correct |
7 |
Correct |
0 ms |
860 KB |
Output is correct |
8 |
Correct |
0 ms |
860 KB |
Output is correct |
9 |
Correct |
1 ms |
860 KB |
Output is correct |
10 |
Correct |
1 ms |
860 KB |
Output is correct |
11 |
Correct |
1 ms |
860 KB |
Output is correct |
12 |
Correct |
1 ms |
856 KB |
Output is correct |
13 |
Correct |
0 ms |
860 KB |
Output is correct |
14 |
Correct |
0 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
0 ms |
860 KB |
Output is correct |
17 |
Correct |
0 ms |
860 KB |
Output is correct |
18 |
Correct |
1 ms |
860 KB |
Output is correct |
19 |
Correct |
1 ms |
860 KB |
Output is correct |
20 |
Correct |
1 ms |
860 KB |
Output is correct |
21 |
Correct |
0 ms |
860 KB |
Output is correct |
22 |
Correct |
1 ms |
860 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
0 ms |
860 KB |
Output is correct |
25 |
Correct |
1 ms |
856 KB |
Output is correct |
26 |
Correct |
1 ms |
860 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
860 KB |
Output is correct |
2 |
Correct |
0 ms |
860 KB |
Output is correct |
3 |
Correct |
0 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
860 KB |
Output is correct |
5 |
Correct |
0 ms |
860 KB |
Output is correct |
6 |
Correct |
0 ms |
860 KB |
Output is correct |
7 |
Correct |
0 ms |
860 KB |
Output is correct |
8 |
Correct |
0 ms |
860 KB |
Output is correct |
9 |
Correct |
1 ms |
860 KB |
Output is correct |
10 |
Correct |
1 ms |
860 KB |
Output is correct |
11 |
Correct |
1 ms |
860 KB |
Output is correct |
12 |
Correct |
1 ms |
856 KB |
Output is correct |
13 |
Correct |
0 ms |
860 KB |
Output is correct |
14 |
Correct |
0 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
0 ms |
860 KB |
Output is correct |
17 |
Correct |
0 ms |
860 KB |
Output is correct |
18 |
Correct |
1 ms |
860 KB |
Output is correct |
19 |
Correct |
1 ms |
860 KB |
Output is correct |
20 |
Correct |
1 ms |
860 KB |
Output is correct |
21 |
Correct |
0 ms |
860 KB |
Output is correct |
22 |
Correct |
1 ms |
860 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
0 ms |
860 KB |
Output is correct |
25 |
Correct |
1 ms |
856 KB |
Output is correct |
26 |
Correct |
1 ms |
860 KB |
Output is correct |
27 |
Correct |
1 ms |
968 KB |
Output is correct |
28 |
Correct |
1 ms |
860 KB |
Output is correct |
29 |
Correct |
1 ms |
860 KB |
Output is correct |
30 |
Correct |
3 ms |
860 KB |
Output is correct |
31 |
Correct |
1 ms |
860 KB |
Output is correct |
32 |
Correct |
36 ms |
1100 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
2 ms |
860 KB |
Output is correct |
35 |
Correct |
2 ms |
860 KB |
Output is correct |
36 |
Correct |
7 ms |
1096 KB |
Output is correct |
37 |
Correct |
1 ms |
860 KB |
Output is correct |
38 |
Correct |
2 ms |
860 KB |
Output is correct |
39 |
Correct |
4 ms |
860 KB |
Output is correct |
40 |
Correct |
5 ms |
1100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
860 KB |
Output is correct |
2 |
Correct |
0 ms |
860 KB |
Output is correct |
3 |
Correct |
0 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
860 KB |
Output is correct |
5 |
Correct |
0 ms |
860 KB |
Output is correct |
6 |
Correct |
0 ms |
860 KB |
Output is correct |
7 |
Correct |
0 ms |
860 KB |
Output is correct |
8 |
Correct |
0 ms |
860 KB |
Output is correct |
9 |
Correct |
1 ms |
860 KB |
Output is correct |
10 |
Correct |
1 ms |
860 KB |
Output is correct |
11 |
Correct |
1 ms |
860 KB |
Output is correct |
12 |
Correct |
1 ms |
856 KB |
Output is correct |
13 |
Correct |
0 ms |
860 KB |
Output is correct |
14 |
Correct |
0 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
0 ms |
860 KB |
Output is correct |
17 |
Correct |
0 ms |
860 KB |
Output is correct |
18 |
Correct |
1 ms |
860 KB |
Output is correct |
19 |
Correct |
1 ms |
860 KB |
Output is correct |
20 |
Correct |
1 ms |
860 KB |
Output is correct |
21 |
Correct |
0 ms |
860 KB |
Output is correct |
22 |
Correct |
1 ms |
860 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
0 ms |
860 KB |
Output is correct |
25 |
Correct |
1 ms |
856 KB |
Output is correct |
26 |
Correct |
1 ms |
860 KB |
Output is correct |
27 |
Correct |
1 ms |
968 KB |
Output is correct |
28 |
Correct |
1 ms |
860 KB |
Output is correct |
29 |
Correct |
1 ms |
860 KB |
Output is correct |
30 |
Correct |
3 ms |
860 KB |
Output is correct |
31 |
Correct |
1 ms |
860 KB |
Output is correct |
32 |
Correct |
36 ms |
1100 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
2 ms |
860 KB |
Output is correct |
35 |
Correct |
2 ms |
860 KB |
Output is correct |
36 |
Correct |
7 ms |
1096 KB |
Output is correct |
37 |
Correct |
1 ms |
860 KB |
Output is correct |
38 |
Correct |
2 ms |
860 KB |
Output is correct |
39 |
Correct |
4 ms |
860 KB |
Output is correct |
40 |
Correct |
5 ms |
1100 KB |
Output is correct |
41 |
Runtime error |
8 ms |
3420 KB |
Execution killed with signal 11 |
42 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
16 ms |
2140 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
19 ms |
2140 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
860 KB |
Output is correct |
2 |
Correct |
0 ms |
860 KB |
Output is correct |
3 |
Correct |
0 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
860 KB |
Output is correct |
5 |
Correct |
0 ms |
860 KB |
Output is correct |
6 |
Correct |
0 ms |
860 KB |
Output is correct |
7 |
Correct |
0 ms |
860 KB |
Output is correct |
8 |
Correct |
0 ms |
860 KB |
Output is correct |
9 |
Correct |
1 ms |
860 KB |
Output is correct |
10 |
Correct |
1 ms |
860 KB |
Output is correct |
11 |
Correct |
1 ms |
860 KB |
Output is correct |
12 |
Correct |
1 ms |
856 KB |
Output is correct |
13 |
Correct |
0 ms |
860 KB |
Output is correct |
14 |
Correct |
0 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
0 ms |
860 KB |
Output is correct |
17 |
Correct |
0 ms |
860 KB |
Output is correct |
18 |
Correct |
1 ms |
860 KB |
Output is correct |
19 |
Correct |
1 ms |
860 KB |
Output is correct |
20 |
Correct |
1 ms |
860 KB |
Output is correct |
21 |
Correct |
0 ms |
860 KB |
Output is correct |
22 |
Correct |
1 ms |
860 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
0 ms |
860 KB |
Output is correct |
25 |
Correct |
1 ms |
856 KB |
Output is correct |
26 |
Correct |
1 ms |
860 KB |
Output is correct |
27 |
Correct |
1 ms |
968 KB |
Output is correct |
28 |
Correct |
1 ms |
860 KB |
Output is correct |
29 |
Correct |
1 ms |
860 KB |
Output is correct |
30 |
Correct |
3 ms |
860 KB |
Output is correct |
31 |
Correct |
1 ms |
860 KB |
Output is correct |
32 |
Correct |
36 ms |
1100 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
2 ms |
860 KB |
Output is correct |
35 |
Correct |
2 ms |
860 KB |
Output is correct |
36 |
Correct |
7 ms |
1096 KB |
Output is correct |
37 |
Correct |
1 ms |
860 KB |
Output is correct |
38 |
Correct |
2 ms |
860 KB |
Output is correct |
39 |
Correct |
4 ms |
860 KB |
Output is correct |
40 |
Correct |
5 ms |
1100 KB |
Output is correct |
41 |
Runtime error |
8 ms |
3420 KB |
Execution killed with signal 11 |
42 |
Halted |
0 ms |
0 KB |
- |