#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define int long long
#define all(a) begin(a),end(a)
const int mxN = (int)5e3+10;
const int LINF = (int)2e18;
int n, dp[mxN][mxN];
int a[mxN], h[mxN], c[mxN];
vector<int> adj[mxN];
int recur(int s, int v){
if(v>=5001) return LINF;
if(dp[s][v]!=-1) return dp[s][v];
int ans = (v!=h[s])*c[s];
for(auto u : adj[s]) ans+=recur(u,v);
ans = min(ans, recur(s,v+1));
return dp[s][v]=ans;
}
int32_t main(){
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n; vector<int> v;
memset(dp,-1,sizeof(dp));
for(int i = 1; i <= n; i++){
cin >> a[i] >> h[i] >> c[i];
if(i>1) adj[a[i]].pb(i);
v.pb(h[i]);
}
sort(all(v)); v.erase(unique(all(v)),end(v));
for(int i = 1; i <= n; i++) h[i]=lower_bound(all(v),h[i])-begin(v);
cout << recur(1,0);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
65 ms |
197196 KB |
Output is correct |
2 |
Correct |
61 ms |
197128 KB |
Output is correct |
3 |
Correct |
61 ms |
197132 KB |
Output is correct |
4 |
Correct |
61 ms |
197128 KB |
Output is correct |
5 |
Correct |
198 ms |
197524 KB |
Output is correct |
6 |
Correct |
192 ms |
197604 KB |
Output is correct |
7 |
Correct |
191 ms |
197496 KB |
Output is correct |
8 |
Correct |
200 ms |
197600 KB |
Output is correct |
9 |
Correct |
207 ms |
197592 KB |
Output is correct |
10 |
Correct |
192 ms |
197604 KB |
Output is correct |
11 |
Correct |
189 ms |
197604 KB |
Output is correct |
12 |
Correct |
192 ms |
197836 KB |
Output is correct |
13 |
Correct |
192 ms |
197956 KB |
Output is correct |
14 |
Correct |
191 ms |
197700 KB |
Output is correct |
15 |
Correct |
187 ms |
197808 KB |
Output is correct |
16 |
Correct |
189 ms |
197592 KB |
Output is correct |
17 |
Correct |
189 ms |
197496 KB |
Output is correct |
18 |
Correct |
198 ms |
197580 KB |
Output is correct |
19 |
Correct |
198 ms |
197752 KB |
Output is correct |
20 |
Correct |
191 ms |
197732 KB |
Output is correct |
21 |
Correct |
193 ms |
197760 KB |
Output is correct |
22 |
Correct |
418 ms |
197500 KB |
Output is correct |
23 |
Correct |
417 ms |
197708 KB |
Output is correct |
24 |
Correct |
265 ms |
197672 KB |
Output is correct |
25 |
Correct |
263 ms |
197700 KB |
Output is correct |
26 |
Correct |
199 ms |
197968 KB |
Output is correct |
27 |
Correct |
194 ms |
197724 KB |
Output is correct |
28 |
Correct |
205 ms |
197704 KB |
Output is correct |
29 |
Correct |
208 ms |
197936 KB |
Output is correct |
30 |
Correct |
198 ms |
197760 KB |
Output is correct |
31 |
Correct |
195 ms |
197708 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
65 ms |
197196 KB |
Output is correct |
2 |
Correct |
61 ms |
197128 KB |
Output is correct |
3 |
Correct |
61 ms |
197132 KB |
Output is correct |
4 |
Correct |
61 ms |
197128 KB |
Output is correct |
5 |
Correct |
198 ms |
197524 KB |
Output is correct |
6 |
Correct |
192 ms |
197604 KB |
Output is correct |
7 |
Correct |
191 ms |
197496 KB |
Output is correct |
8 |
Correct |
200 ms |
197600 KB |
Output is correct |
9 |
Correct |
207 ms |
197592 KB |
Output is correct |
10 |
Correct |
192 ms |
197604 KB |
Output is correct |
11 |
Correct |
189 ms |
197604 KB |
Output is correct |
12 |
Correct |
192 ms |
197836 KB |
Output is correct |
13 |
Correct |
192 ms |
197956 KB |
Output is correct |
14 |
Correct |
191 ms |
197700 KB |
Output is correct |
15 |
Correct |
187 ms |
197808 KB |
Output is correct |
16 |
Correct |
189 ms |
197592 KB |
Output is correct |
17 |
Correct |
189 ms |
197496 KB |
Output is correct |
18 |
Correct |
198 ms |
197580 KB |
Output is correct |
19 |
Correct |
198 ms |
197752 KB |
Output is correct |
20 |
Correct |
191 ms |
197732 KB |
Output is correct |
21 |
Correct |
193 ms |
197760 KB |
Output is correct |
22 |
Correct |
418 ms |
197500 KB |
Output is correct |
23 |
Correct |
417 ms |
197708 KB |
Output is correct |
24 |
Correct |
265 ms |
197672 KB |
Output is correct |
25 |
Correct |
263 ms |
197700 KB |
Output is correct |
26 |
Correct |
199 ms |
197968 KB |
Output is correct |
27 |
Correct |
194 ms |
197724 KB |
Output is correct |
28 |
Correct |
205 ms |
197704 KB |
Output is correct |
29 |
Correct |
208 ms |
197936 KB |
Output is correct |
30 |
Correct |
198 ms |
197760 KB |
Output is correct |
31 |
Correct |
195 ms |
197708 KB |
Output is correct |
32 |
Correct |
210 ms |
197580 KB |
Output is correct |
33 |
Runtime error |
249 ms |
399948 KB |
Execution killed with signal 11 |
34 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
65 ms |
197196 KB |
Output is correct |
2 |
Correct |
61 ms |
197128 KB |
Output is correct |
3 |
Correct |
61 ms |
197132 KB |
Output is correct |
4 |
Correct |
61 ms |
197128 KB |
Output is correct |
5 |
Correct |
198 ms |
197524 KB |
Output is correct |
6 |
Correct |
192 ms |
197604 KB |
Output is correct |
7 |
Correct |
191 ms |
197496 KB |
Output is correct |
8 |
Correct |
200 ms |
197600 KB |
Output is correct |
9 |
Correct |
207 ms |
197592 KB |
Output is correct |
10 |
Correct |
192 ms |
197604 KB |
Output is correct |
11 |
Correct |
189 ms |
197604 KB |
Output is correct |
12 |
Correct |
192 ms |
197836 KB |
Output is correct |
13 |
Correct |
192 ms |
197956 KB |
Output is correct |
14 |
Correct |
191 ms |
197700 KB |
Output is correct |
15 |
Correct |
187 ms |
197808 KB |
Output is correct |
16 |
Correct |
189 ms |
197592 KB |
Output is correct |
17 |
Correct |
189 ms |
197496 KB |
Output is correct |
18 |
Correct |
198 ms |
197580 KB |
Output is correct |
19 |
Correct |
198 ms |
197752 KB |
Output is correct |
20 |
Correct |
191 ms |
197732 KB |
Output is correct |
21 |
Correct |
193 ms |
197760 KB |
Output is correct |
22 |
Correct |
418 ms |
197500 KB |
Output is correct |
23 |
Correct |
417 ms |
197708 KB |
Output is correct |
24 |
Correct |
265 ms |
197672 KB |
Output is correct |
25 |
Correct |
263 ms |
197700 KB |
Output is correct |
26 |
Correct |
199 ms |
197968 KB |
Output is correct |
27 |
Correct |
194 ms |
197724 KB |
Output is correct |
28 |
Correct |
205 ms |
197704 KB |
Output is correct |
29 |
Correct |
208 ms |
197936 KB |
Output is correct |
30 |
Correct |
198 ms |
197760 KB |
Output is correct |
31 |
Correct |
195 ms |
197708 KB |
Output is correct |
32 |
Correct |
210 ms |
197580 KB |
Output is correct |
33 |
Runtime error |
249 ms |
399948 KB |
Execution killed with signal 11 |
34 |
Halted |
0 ms |
0 KB |
- |