/*#pragma GCC optimize("Ofast,unroll-loops")
#pragma comment(linker, "/stack:200000000")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma,tune=native")*/
/*#pragma GCC optimize("O2")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,sse,sse2,fma")*/
#include <bits/stdc++.h>
using namespace std;
using ll=long long int;
using ld=long double;
using pll=pair<ll,ll>;
using pii=pair<int,int>;
using point=complex<double>;
#define F first
#define S second
//#define X real()
//#define Y imag()
#define pb push_back
#define mp make_pair
#define lc v<<1
#define rc v<<1|1
#define fast_io ios::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
#define kill(x) cout << x << '\n';exit(0)
#define killshayan kill("done!")
#define killmashtali kill("Hello, World!")
const int N=5e3+10,LN=19,M=3e2+10,SQ=450,BS=737,inf=1e9,NSQ=N/SQ+1;
const ll INF=1e18;
const double pi=acos(-1);
const ld ep=1e-7;
const int MH=1000696969,MD=998244353,MOD=1000000007;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<pii, null_type,greater<pii>, rb_tree_tag,tree_order_statistics_node_update>
ll pow(ll x, ll y, ll mod){
ll ans=1;
while (y != 0) {
if (y & 1) ans = ans * x % mod;
y >>= 1;
x = x * x % mod;
}
return ans;
}
ll n,dp[N][N],a[N],c[N];
vector<ll> adj[N],cp;
void dfs(ll v){
for(ll u : adj[v]) dfs(u);
for(ll i=cp.size()-1; i>=0; i--){
if(i!=a[v]) dp[v][i]=c[v];
for(ll u : adj[v]){
dp[v][i]+=dp[u][i];
}
if(i<cp.size()-1) dp[v][i]=min(dp[v][i],dp[v][i+1]);
}
}
int main(){
fast_io;
cin >> n;
for(ll i=1; i<=n; i++){
ll p;
cin >> p >> a[i] >> c[i];
if(i>1) adj[p].pb(i);
cp.pb(a[i]);
}
sort(cp.begin(),cp.end());
cp.resize(unique(cp.begin(),cp.end())-cp.begin());
for(ll i=1; i<=n; i++) a[i]=lower_bound(cp.begin(),cp.end(),a[i])-cp.begin();
dfs(1);
cout << dp[1][0] << '\n';
return 0;
}
Compilation message
worst_reporter2.cpp: In function 'void dfs(ll)':
worst_reporter2.cpp:54:13: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
54 | if(i<cp.size()-1) dp[v][i]=min(dp[v][i],dp[v][i+1]);
| ~^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
159 ms |
196572 KB |
Output is correct |
6 |
Correct |
15 ms |
24752 KB |
Output is correct |
7 |
Correct |
11 ms |
21240 KB |
Output is correct |
8 |
Correct |
159 ms |
196676 KB |
Output is correct |
9 |
Correct |
14 ms |
24828 KB |
Output is correct |
10 |
Correct |
12 ms |
21356 KB |
Output is correct |
11 |
Correct |
9 ms |
10828 KB |
Output is correct |
12 |
Correct |
155 ms |
196892 KB |
Output is correct |
13 |
Correct |
10 ms |
21648 KB |
Output is correct |
14 |
Correct |
157 ms |
196788 KB |
Output is correct |
15 |
Correct |
13 ms |
25036 KB |
Output is correct |
16 |
Correct |
168 ms |
196764 KB |
Output is correct |
17 |
Correct |
14 ms |
24780 KB |
Output is correct |
18 |
Correct |
9 ms |
10956 KB |
Output is correct |
19 |
Correct |
156 ms |
196844 KB |
Output is correct |
20 |
Correct |
14 ms |
24952 KB |
Output is correct |
21 |
Correct |
11 ms |
21292 KB |
Output is correct |
22 |
Correct |
393 ms |
196724 KB |
Output is correct |
23 |
Correct |
20 ms |
24780 KB |
Output is correct |
24 |
Correct |
265 ms |
196860 KB |
Output is correct |
25 |
Correct |
15 ms |
24968 KB |
Output is correct |
26 |
Correct |
163 ms |
196916 KB |
Output is correct |
27 |
Correct |
160 ms |
196816 KB |
Output is correct |
28 |
Correct |
159 ms |
196904 KB |
Output is correct |
29 |
Correct |
159 ms |
196932 KB |
Output is correct |
30 |
Correct |
162 ms |
196704 KB |
Output is correct |
31 |
Correct |
157 ms |
196832 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
159 ms |
196572 KB |
Output is correct |
6 |
Correct |
15 ms |
24752 KB |
Output is correct |
7 |
Correct |
11 ms |
21240 KB |
Output is correct |
8 |
Correct |
159 ms |
196676 KB |
Output is correct |
9 |
Correct |
14 ms |
24828 KB |
Output is correct |
10 |
Correct |
12 ms |
21356 KB |
Output is correct |
11 |
Correct |
9 ms |
10828 KB |
Output is correct |
12 |
Correct |
155 ms |
196892 KB |
Output is correct |
13 |
Correct |
10 ms |
21648 KB |
Output is correct |
14 |
Correct |
157 ms |
196788 KB |
Output is correct |
15 |
Correct |
13 ms |
25036 KB |
Output is correct |
16 |
Correct |
168 ms |
196764 KB |
Output is correct |
17 |
Correct |
14 ms |
24780 KB |
Output is correct |
18 |
Correct |
9 ms |
10956 KB |
Output is correct |
19 |
Correct |
156 ms |
196844 KB |
Output is correct |
20 |
Correct |
14 ms |
24952 KB |
Output is correct |
21 |
Correct |
11 ms |
21292 KB |
Output is correct |
22 |
Correct |
393 ms |
196724 KB |
Output is correct |
23 |
Correct |
20 ms |
24780 KB |
Output is correct |
24 |
Correct |
265 ms |
196860 KB |
Output is correct |
25 |
Correct |
15 ms |
24968 KB |
Output is correct |
26 |
Correct |
163 ms |
196916 KB |
Output is correct |
27 |
Correct |
160 ms |
196816 KB |
Output is correct |
28 |
Correct |
159 ms |
196904 KB |
Output is correct |
29 |
Correct |
159 ms |
196932 KB |
Output is correct |
30 |
Correct |
162 ms |
196704 KB |
Output is correct |
31 |
Correct |
157 ms |
196832 KB |
Output is correct |
32 |
Correct |
162 ms |
196752 KB |
Output is correct |
33 |
Runtime error |
5 ms |
1100 KB |
Execution killed with signal 11 |
34 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
159 ms |
196572 KB |
Output is correct |
6 |
Correct |
15 ms |
24752 KB |
Output is correct |
7 |
Correct |
11 ms |
21240 KB |
Output is correct |
8 |
Correct |
159 ms |
196676 KB |
Output is correct |
9 |
Correct |
14 ms |
24828 KB |
Output is correct |
10 |
Correct |
12 ms |
21356 KB |
Output is correct |
11 |
Correct |
9 ms |
10828 KB |
Output is correct |
12 |
Correct |
155 ms |
196892 KB |
Output is correct |
13 |
Correct |
10 ms |
21648 KB |
Output is correct |
14 |
Correct |
157 ms |
196788 KB |
Output is correct |
15 |
Correct |
13 ms |
25036 KB |
Output is correct |
16 |
Correct |
168 ms |
196764 KB |
Output is correct |
17 |
Correct |
14 ms |
24780 KB |
Output is correct |
18 |
Correct |
9 ms |
10956 KB |
Output is correct |
19 |
Correct |
156 ms |
196844 KB |
Output is correct |
20 |
Correct |
14 ms |
24952 KB |
Output is correct |
21 |
Correct |
11 ms |
21292 KB |
Output is correct |
22 |
Correct |
393 ms |
196724 KB |
Output is correct |
23 |
Correct |
20 ms |
24780 KB |
Output is correct |
24 |
Correct |
265 ms |
196860 KB |
Output is correct |
25 |
Correct |
15 ms |
24968 KB |
Output is correct |
26 |
Correct |
163 ms |
196916 KB |
Output is correct |
27 |
Correct |
160 ms |
196816 KB |
Output is correct |
28 |
Correct |
159 ms |
196904 KB |
Output is correct |
29 |
Correct |
159 ms |
196932 KB |
Output is correct |
30 |
Correct |
162 ms |
196704 KB |
Output is correct |
31 |
Correct |
157 ms |
196832 KB |
Output is correct |
32 |
Correct |
162 ms |
196752 KB |
Output is correct |
33 |
Runtime error |
5 ms |
1100 KB |
Execution killed with signal 11 |
34 |
Halted |
0 ms |
0 KB |
- |