#include <bits/stdc++.h>
using namespace std;
const int NMAX = 1e6 + 5;
const long long INF = 1e17;
int n;
int T[NMAX];
long long dp[NMAX];
bool sub3() {
for (int i = 1; i < n; i++)
if (T[i] > T[i + 1])
return 0;
return 1;
}
bool sub4() {
for (int i = 1; i < n; i++)
if (T[i] < T[i + 1])
return 0;
return 1;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> n;
for (int i = 1; i <= n; i++)
cin >> T[i];
if (sub4()) {
long long ans = 0, maxim = 0;
for (int i = 1; i <= n; i++) {
maxim = max(maxim, (long long)T[i]);
ans += maxim;
}
cout << ans;
return 0;
}
dp[n] = T[n];
for (int i = n - 1; i >= 1; i--) {
int maxT = T[i];
dp[i] = INF;
for (int j = i; j <= n; j++) {
maxT = max(maxT, T[j]);
dp[i] = min(dp[i], (long long)maxT * (n - i + 1) + dp[j + 1]);
}
}
cout << dp[1];
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
400 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
512 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
364 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
364 KB |
Output is correct |
4 |
Correct |
3 ms |
364 KB |
Output is correct |
5 |
Correct |
3 ms |
364 KB |
Output is correct |
6 |
Correct |
3 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
376 KB |
Output is correct |
8 |
Correct |
3 ms |
492 KB |
Output is correct |
9 |
Correct |
3 ms |
364 KB |
Output is correct |
10 |
Correct |
3 ms |
364 KB |
Output is correct |
11 |
Correct |
3 ms |
364 KB |
Output is correct |
12 |
Correct |
3 ms |
364 KB |
Output is correct |
13 |
Correct |
3 ms |
364 KB |
Output is correct |
14 |
Correct |
3 ms |
364 KB |
Output is correct |
15 |
Correct |
3 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
364 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
364 KB |
Output is correct |
4 |
Correct |
3 ms |
364 KB |
Output is correct |
5 |
Correct |
3 ms |
364 KB |
Output is correct |
6 |
Correct |
3 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
376 KB |
Output is correct |
8 |
Correct |
3 ms |
492 KB |
Output is correct |
9 |
Correct |
3 ms |
364 KB |
Output is correct |
10 |
Correct |
3 ms |
364 KB |
Output is correct |
11 |
Correct |
3 ms |
364 KB |
Output is correct |
12 |
Correct |
3 ms |
364 KB |
Output is correct |
13 |
Correct |
3 ms |
364 KB |
Output is correct |
14 |
Correct |
3 ms |
364 KB |
Output is correct |
15 |
Correct |
3 ms |
364 KB |
Output is correct |
16 |
Execution timed out |
1088 ms |
9884 KB |
Time limit exceeded |
17 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
115 ms |
4588 KB |
Output is correct |
2 |
Correct |
112 ms |
4204 KB |
Output is correct |
3 |
Correct |
128 ms |
4204 KB |
Output is correct |
4 |
Correct |
115 ms |
4332 KB |
Output is correct |
5 |
Correct |
115 ms |
4384 KB |
Output is correct |
6 |
Correct |
114 ms |
4224 KB |
Output is correct |
7 |
Correct |
112 ms |
4204 KB |
Output is correct |
8 |
Correct |
113 ms |
4348 KB |
Output is correct |
9 |
Correct |
138 ms |
4460 KB |
Output is correct |
10 |
Correct |
113 ms |
4204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
400 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
512 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
3 ms |
364 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
3 ms |
364 KB |
Output is correct |
18 |
Correct |
3 ms |
364 KB |
Output is correct |
19 |
Correct |
3 ms |
364 KB |
Output is correct |
20 |
Correct |
3 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
3 ms |
492 KB |
Output is correct |
23 |
Correct |
3 ms |
364 KB |
Output is correct |
24 |
Correct |
3 ms |
364 KB |
Output is correct |
25 |
Correct |
3 ms |
364 KB |
Output is correct |
26 |
Correct |
3 ms |
364 KB |
Output is correct |
27 |
Correct |
3 ms |
364 KB |
Output is correct |
28 |
Correct |
3 ms |
364 KB |
Output is correct |
29 |
Correct |
3 ms |
364 KB |
Output is correct |
30 |
Correct |
3 ms |
364 KB |
Output is correct |
31 |
Correct |
3 ms |
364 KB |
Output is correct |
32 |
Correct |
4 ms |
364 KB |
Output is correct |
33 |
Correct |
3 ms |
364 KB |
Output is correct |
34 |
Correct |
3 ms |
364 KB |
Output is correct |
35 |
Correct |
3 ms |
364 KB |
Output is correct |
36 |
Correct |
3 ms |
364 KB |
Output is correct |
37 |
Correct |
3 ms |
364 KB |
Output is correct |
38 |
Correct |
3 ms |
364 KB |
Output is correct |
39 |
Correct |
3 ms |
364 KB |
Output is correct |
40 |
Correct |
3 ms |
364 KB |
Output is correct |
41 |
Correct |
3 ms |
364 KB |
Output is correct |
42 |
Correct |
3 ms |
364 KB |
Output is correct |
43 |
Correct |
3 ms |
364 KB |
Output is correct |
44 |
Correct |
3 ms |
364 KB |
Output is correct |
45 |
Correct |
3 ms |
364 KB |
Output is correct |
46 |
Correct |
3 ms |
364 KB |
Output is correct |
47 |
Correct |
3 ms |
404 KB |
Output is correct |
48 |
Correct |
3 ms |
500 KB |
Output is correct |
49 |
Correct |
3 ms |
364 KB |
Output is correct |
50 |
Correct |
3 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
400 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
512 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
3 ms |
364 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
3 ms |
364 KB |
Output is correct |
18 |
Correct |
3 ms |
364 KB |
Output is correct |
19 |
Correct |
3 ms |
364 KB |
Output is correct |
20 |
Correct |
3 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
3 ms |
492 KB |
Output is correct |
23 |
Correct |
3 ms |
364 KB |
Output is correct |
24 |
Correct |
3 ms |
364 KB |
Output is correct |
25 |
Correct |
3 ms |
364 KB |
Output is correct |
26 |
Correct |
3 ms |
364 KB |
Output is correct |
27 |
Correct |
3 ms |
364 KB |
Output is correct |
28 |
Correct |
3 ms |
364 KB |
Output is correct |
29 |
Correct |
3 ms |
364 KB |
Output is correct |
30 |
Execution timed out |
1088 ms |
9884 KB |
Time limit exceeded |
31 |
Halted |
0 ms |
0 KB |
- |