#include<bits/stdc++.h>
using namespace std;
constexpr int inf = 1E9;
int n, h[305], dp[305][205][205];
int f(int i, int x, int y){
if(i == n + 1) return 0;
if(dp[i][x][y]) return dp[i][x][y];
int res = inf;
if(!x) res = f(i + 1, y, h[i+2]);
else{
res = min(res, f(i, x - 1, y) + 3);
if(y){
res = min(res, f(i, x - 1, y - 1) + 5);
if(x <= min(y, h[i + 2])) res = min(res, f(i + 1, y - x, h[i + 2] - x) + 7 * x);
}
}
return dp[i][x][y] = res;
}
signed main(){
ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
cin >> n;
register int j(1);
loop:
cin >> h[j++];
if(j <= n) goto loop;
cout << f(1, h[1], h[2]) << '\n';
return 0;
}
Compilation message
skyline.cpp: In function 'int main()':
skyline.cpp:40:15: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
40 | register int j(1);
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
1372 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
604 KB |
Output is correct |
7 |
Correct |
0 ms |
720 KB |
Output is correct |
8 |
Correct |
1 ms |
860 KB |
Output is correct |
9 |
Correct |
2 ms |
1372 KB |
Output is correct |
10 |
Correct |
3 ms |
2652 KB |
Output is correct |
11 |
Correct |
13 ms |
13016 KB |
Output is correct |
12 |
Correct |
4 ms |
3420 KB |
Output is correct |
13 |
Correct |
15 ms |
14684 KB |
Output is correct |
14 |
Correct |
23 ms |
20308 KB |
Output is correct |
15 |
Correct |
94 ms |
43348 KB |
Output is correct |
16 |
Correct |
69 ms |
40124 KB |
Output is correct |
17 |
Correct |
102 ms |
55376 KB |
Output is correct |
18 |
Correct |
110 ms |
53844 KB |
Output is correct |
19 |
Correct |
90 ms |
50768 KB |
Output is correct |
20 |
Correct |
100 ms |
55128 KB |
Output is correct |