#include <bits/stdc++.h>
using namespace std;
const int N = 5001;
const long long inf = (long long) 4e18L;
int n, m;
vector<pair<int, long long>> g[N];
long long dp[N][302];
long long sol(int u, int left) {
if (g[u].size() == 0) {
assert(left == 0);
return 0;
}
long long& ret = dp[u][left];
if (ret != -1) {
return ret;
}
ret = 0;
for (pair<int, long long> _p : g[u]) {
long long sub = inf;
int v = _p.first;
long long w = _p.second;
if (g[v].size() == 0) {
sub = abs(w - left);
ret += sub;
continue;
}
for (int j = 0; j <= left; j++) {
sub = min(sub, abs(w - j) + sol(v, left - j));
}
ret += sub;
}
return ret;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n >> m;
long long res = 0;
for (int i = 1; i < n + m; i++) {
int p;
long long c;
cin >> p >> c;
g[p - 1].emplace_back(i, c);
res += c;
}
memset(dp, -1, sizeof dp);
for (int i = 14; i < 15; i++) {
res = min(res, sol(0, i));
}
cout << res << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
6 ms |
12236 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
6 ms |
12236 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
6 ms |
12236 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
6 ms |
12236 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |