#include <bits/stdc++.h>
#ifdef __LOCAL__
#include <debug_local.h>
#endif
using namespace std;
const int mxN = 301;
const int mxH = 201;
const int inf = 1e9;
int h[mxN];
void testCase() {
int n;
cin >> n;
for (int i = 1; i <= n; i++) cin >> h[i];
vector<vector<int>> dp(mxH, vector<int> (mxH, inf));
for (int i = h[1]; i >= 0; i--) {
dp[0][i] = (h[1] - i) * 3;
}
for (int i = 2; i <= n; i++) {
vector<vector<int>> new_dp(mxH, vector<int> (mxH, inf));
for (int cur = 0; cur <= h[i]; cur++) {
for (int last = 0; last <= h[i - 1]; last++) {
new_dp[last][cur] = min(new_dp[last][cur], dp[h[i] - cur][last + h[i] - cur] + (h[i] - cur) * 7);
}
}
dp = new_dp;
for (int cur = h[i]; cur >= 0; cur--) {
for (int last = h[i - 1]; last >= 0; last--) {
if (last - 1 >= 0) {
dp[last - 1][cur] = min(dp[last - 1][cur], dp[last][cur] + 3);
}
if (cur - 1 >= 0 && last - 1 >= 0) {
dp[last - 1][cur - 1] = min(dp[last - 1][cur - 1], dp[last][cur] + 5);
}
if (cur - 1 >= 0) {
dp[last][cur - 1] = min(dp[last][cur - 1], dp[last][cur] + 3);
}
}
}
}
cout << dp[0][0] << "\n";
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
testCase();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
640 KB |
Output is correct |
4 |
Correct |
3 ms |
640 KB |
Output is correct |
5 |
Correct |
1 ms |
640 KB |
Output is correct |
6 |
Correct |
1 ms |
640 KB |
Output is correct |
7 |
Correct |
1 ms |
640 KB |
Output is correct |
8 |
Correct |
1 ms |
640 KB |
Output is correct |
9 |
Incorrect |
2 ms |
640 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |