#include <bits/stdc++.h>
#define lsb(x) (x & (-x))
#define ll long long
#define ull unsigned long long
#define ld long double
// 217
// 44
using namespace std;
const int MAXN = 200;
int dp[MAXN + 1][MAXN + 1];
int h[MAXN + 1];
int main() {
//ifstream cin("A.in");
//ofstream cout("A.out");
int i, j, n;
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
cin >> n;
for(i = 1; i <= n; i++) {
cin >> h[i];
}
for(i= 2; i <= MAXN; i++) {
dp[0][i] = 1e9;
}
for(i = 1; i <= n; i++) {
for(j = 0; j <= h[i]; j++) {
dp[i][j] = dp[i - 1][h[i - 1]] + 3 * j;
if(i > 1) {
for(int k = 0; k <= min(j, h[i - 1]); k++) {
dp[i][j] = min(dp[i][j], dp[i - 1][h[i - 1] - k] + max(0, j - k) * 3 + max(0, h[i - 1] - k) * 3 + 5 * k);
}
}
if(i > 2) {
for(int k = 0; k <= h[i - 2]; k++) {
int mn = min(h[i - 2] - k, min(h[i - 1], j));
int a = h[i - 2] - k - mn, b = h[i - 1] - mn, c = j - mn;
int cur = 5 * min(a, b);
if(a <= b) {
cur += 5 * min(b - a, c);
cur += 3 * max(b - a - c, c - (b - a));
}
else {
cur += 3 * (a - b) + 3 * c;
}
dp[i][j] = min(dp[i - 2][k] + cur + 7 * mn, dp[i][j]);
cur = 5 * min(b, c);
if(b >= c) {
cur += 5 * min(a, b - c);
cur += 3 * max(a - (b - c), b - c - a);
}
else {
cur += 3 * (c - b) + 3 * a;
}
dp[i][j] = min(dp[i - 2][k] + cur + 7 * mn, dp[i][j]);
}
}
}
}
cout << dp[n][h[n]];
//cin.close();
//cout.close();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
504 KB |
Output is correct |
| 2 |
Incorrect |
2 ms |
640 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
