# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
287906 | 2020-09-01T06:22:19 Z | Bill_00 | Traffic (IOI10_traffic) | C++14 | 65 ms | 63992 KB |
#include <traffic.h> #include <bits/stdc++.h> #define ll long long using namespace std; vector<long long>adj[1000001]; vector<long long>leaf; long long p[1000001]; long long sum[1000001]; long long dp[1000001],vis[1000001]; ll b[1000001]; void dfs(ll j){ if(adj[j].size()==1 && p[j]==adj[j][0]){ leaf.push_back(j); return; } for(ll i=0;i<adj[j].size();i++){ if(adj[j][i]!=p[j]){ p[adj[j][i]]=j; dfs(adj[j][i]); } } } long long calc(ll j){ sum[j]=(long long)b[j]; for(ll i=0;i<adj[j].size();i++){ if(adj[j][i]!=p[j]){ sum[j]+=calc(adj[j][i]); } } return sum[j]; } void check(ll j){ for(ll i=0;i<adj[j].size();i++){ if(vis[adj[j][i]]==0 && adj[j][i]!=p[j]){ dp[adj[j][i]]=dp[j]-(2*sum[adj[j][i]])+sum[0]; vis[adj[j][i]]=1; check(adj[j][i]); } } if(j!=0){ dp[p[j]]=dp[j]+2*sum[j]-sum[0]; check(p[j]); } } int LocateCentre(int n,int a[],int s[],int d[]){ for(ll i=0;i<(ll)n;i++){ b[i]=(ll)a[i]; } memset(vis,0,sizeof(vis)); for(ll i=0;i<(ll)(n-1);i++){ adj[(ll)s[i]].push_back((ll)d[i]); adj[(ll)d[i]].push_back((ll)s[i]); } p[0]=-1; dfs(0); calc(0); dp[leaf[0]]=0; vis[leaf[0]]=1; long long ans=2e9,id; check(leaf[0]); for(ll i=0;i<(ll)n;i++){ //cout << dp[i] << endl; if(dp[i]<ans){ id=i; ans=dp[i]; } } return id; }
Compilation message
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 21 ms | 31736 KB | Output is correct |
2 | Correct | 21 ms | 31744 KB | Output is correct |
3 | Correct | 22 ms | 31744 KB | Output is correct |
4 | Correct | 21 ms | 31616 KB | Output is correct |
5 | Correct | 21 ms | 31744 KB | Output is correct |
6 | Correct | 21 ms | 31616 KB | Output is correct |
7 | Correct | 22 ms | 31744 KB | Output is correct |
8 | Correct | 21 ms | 31616 KB | Output is correct |
9 | Correct | 21 ms | 31744 KB | Output is correct |
10 | Correct | 22 ms | 31744 KB | Output is correct |
11 | Correct | 21 ms | 31744 KB | Output is correct |
12 | Correct | 21 ms | 31744 KB | Output is correct |
13 | Correct | 21 ms | 31616 KB | Output is correct |
14 | Correct | 21 ms | 31744 KB | Output is correct |
15 | Correct | 21 ms | 31616 KB | Output is correct |
16 | Correct | 21 ms | 31744 KB | Output is correct |
17 | Correct | 22 ms | 31616 KB | Output is correct |
18 | Correct | 21 ms | 31744 KB | Output is correct |
19 | Correct | 21 ms | 31740 KB | Output is correct |
20 | Correct | 22 ms | 31744 KB | Output is correct |
21 | Correct | 21 ms | 31616 KB | Output is correct |
22 | Correct | 21 ms | 31744 KB | Output is correct |
23 | Correct | 21 ms | 31744 KB | Output is correct |
24 | Correct | 21 ms | 31744 KB | Output is correct |
25 | Correct | 22 ms | 31744 KB | Output is correct |
26 | Correct | 21 ms | 31744 KB | Output is correct |
27 | Correct | 22 ms | 31744 KB | Output is correct |
28 | Correct | 22 ms | 31744 KB | Output is correct |
29 | Correct | 22 ms | 31744 KB | Output is correct |
30 | Correct | 22 ms | 31744 KB | Output is correct |
31 | Correct | 22 ms | 31744 KB | Output is correct |
32 | Correct | 23 ms | 31744 KB | Output is correct |
33 | Correct | 22 ms | 31744 KB | Output is correct |
34 | Correct | 21 ms | 31744 KB | Output is correct |
35 | Correct | 23 ms | 31812 KB | Output is correct |
36 | Correct | 23 ms | 31872 KB | Output is correct |
37 | Correct | 23 ms | 31744 KB | Output is correct |
38 | Correct | 23 ms | 31744 KB | Output is correct |
39 | Correct | 23 ms | 31744 KB | Output is correct |
40 | Correct | 23 ms | 31744 KB | Output is correct |
41 | Correct | 24 ms | 31744 KB | Output is correct |
42 | Correct | 27 ms | 31744 KB | Output is correct |
43 | Runtime error | 65 ms | 63992 KB | Execution killed with signal 11 |
44 | Halted | 0 ms | 0 KB | - |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 21 ms | 31736 KB | Output is correct |
2 | Correct | 21 ms | 31744 KB | Output is correct |
3 | Correct | 22 ms | 31744 KB | Output is correct |
4 | Correct | 21 ms | 31616 KB | Output is correct |
5 | Correct | 21 ms | 31744 KB | Output is correct |
6 | Correct | 21 ms | 31616 KB | Output is correct |
7 | Correct | 22 ms | 31744 KB | Output is correct |
8 | Correct | 21 ms | 31616 KB | Output is correct |
9 | Correct | 21 ms | 31744 KB | Output is correct |
10 | Correct | 22 ms | 31744 KB | Output is correct |
11 | Correct | 21 ms | 31744 KB | Output is correct |
12 | Correct | 21 ms | 31744 KB | Output is correct |
13 | Correct | 21 ms | 31616 KB | Output is correct |
14 | Correct | 21 ms | 31744 KB | Output is correct |
15 | Correct | 21 ms | 31616 KB | Output is correct |
16 | Correct | 21 ms | 31744 KB | Output is correct |
17 | Correct | 22 ms | 31616 KB | Output is correct |
18 | Correct | 21 ms | 31744 KB | Output is correct |
19 | Correct | 21 ms | 31740 KB | Output is correct |
20 | Correct | 22 ms | 31744 KB | Output is correct |
21 | Correct | 21 ms | 31616 KB | Output is correct |
22 | Correct | 21 ms | 31744 KB | Output is correct |
23 | Correct | 21 ms | 31744 KB | Output is correct |
24 | Correct | 21 ms | 31744 KB | Output is correct |
25 | Correct | 22 ms | 31744 KB | Output is correct |
26 | Correct | 21 ms | 31744 KB | Output is correct |
27 | Correct | 22 ms | 31744 KB | Output is correct |
28 | Correct | 22 ms | 31744 KB | Output is correct |
29 | Correct | 22 ms | 31744 KB | Output is correct |
30 | Correct | 22 ms | 31744 KB | Output is correct |
31 | Correct | 22 ms | 31744 KB | Output is correct |
32 | Correct | 23 ms | 31744 KB | Output is correct |
33 | Correct | 22 ms | 31744 KB | Output is correct |
34 | Correct | 21 ms | 31744 KB | Output is correct |
35 | Correct | 23 ms | 31812 KB | Output is correct |
36 | Correct | 23 ms | 31872 KB | Output is correct |
37 | Correct | 23 ms | 31744 KB | Output is correct |
38 | Correct | 23 ms | 31744 KB | Output is correct |
39 | Correct | 23 ms | 31744 KB | Output is correct |
40 | Correct | 23 ms | 31744 KB | Output is correct |
41 | Correct | 24 ms | 31744 KB | Output is correct |
42 | Correct | 27 ms | 31744 KB | Output is correct |
43 | Runtime error | 65 ms | 63992 KB | Execution killed with signal 11 |
44 | Halted | 0 ms | 0 KB | - |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 21 ms | 31736 KB | Output is correct |
2 | Correct | 21 ms | 31744 KB | Output is correct |
3 | Correct | 22 ms | 31744 KB | Output is correct |
4 | Correct | 21 ms | 31616 KB | Output is correct |
5 | Correct | 21 ms | 31744 KB | Output is correct |
6 | Correct | 21 ms | 31616 KB | Output is correct |
7 | Correct | 22 ms | 31744 KB | Output is correct |
8 | Correct | 21 ms | 31616 KB | Output is correct |
9 | Correct | 21 ms | 31744 KB | Output is correct |
10 | Correct | 22 ms | 31744 KB | Output is correct |
11 | Correct | 21 ms | 31744 KB | Output is correct |
12 | Correct | 21 ms | 31744 KB | Output is correct |
13 | Correct | 21 ms | 31616 KB | Output is correct |
14 | Correct | 21 ms | 31744 KB | Output is correct |
15 | Correct | 21 ms | 31616 KB | Output is correct |
16 | Correct | 21 ms | 31744 KB | Output is correct |
17 | Correct | 22 ms | 31616 KB | Output is correct |
18 | Correct | 21 ms | 31744 KB | Output is correct |
19 | Correct | 21 ms | 31740 KB | Output is correct |
20 | Correct | 22 ms | 31744 KB | Output is correct |
21 | Correct | 21 ms | 31616 KB | Output is correct |
22 | Correct | 21 ms | 31744 KB | Output is correct |
23 | Correct | 21 ms | 31744 KB | Output is correct |
24 | Correct | 21 ms | 31744 KB | Output is correct |
25 | Correct | 22 ms | 31744 KB | Output is correct |
26 | Correct | 21 ms | 31744 KB | Output is correct |
27 | Correct | 22 ms | 31744 KB | Output is correct |
28 | Correct | 22 ms | 31744 KB | Output is correct |
29 | Correct | 22 ms | 31744 KB | Output is correct |
30 | Correct | 22 ms | 31744 KB | Output is correct |
31 | Correct | 22 ms | 31744 KB | Output is correct |
32 | Correct | 23 ms | 31744 KB | Output is correct |
33 | Correct | 22 ms | 31744 KB | Output is correct |
34 | Correct | 21 ms | 31744 KB | Output is correct |
35 | Correct | 23 ms | 31812 KB | Output is correct |
36 | Correct | 23 ms | 31872 KB | Output is correct |
37 | Correct | 23 ms | 31744 KB | Output is correct |
38 | Correct | 23 ms | 31744 KB | Output is correct |
39 | Correct | 23 ms | 31744 KB | Output is correct |
40 | Correct | 23 ms | 31744 KB | Output is correct |
41 | Correct | 24 ms | 31744 KB | Output is correct |
42 | Correct | 27 ms | 31744 KB | Output is correct |
43 | Runtime error | 65 ms | 63992 KB | Execution killed with signal 11 |
44 | Halted | 0 ms | 0 KB | - |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 21 ms | 31736 KB | Output is correct |
2 | Correct | 21 ms | 31744 KB | Output is correct |
3 | Correct | 22 ms | 31744 KB | Output is correct |
4 | Correct | 21 ms | 31616 KB | Output is correct |
5 | Correct | 21 ms | 31744 KB | Output is correct |
6 | Correct | 21 ms | 31616 KB | Output is correct |
7 | Correct | 22 ms | 31744 KB | Output is correct |
8 | Correct | 21 ms | 31616 KB | Output is correct |
9 | Correct | 21 ms | 31744 KB | Output is correct |
10 | Correct | 22 ms | 31744 KB | Output is correct |
11 | Correct | 21 ms | 31744 KB | Output is correct |
12 | Correct | 21 ms | 31744 KB | Output is correct |
13 | Correct | 21 ms | 31616 KB | Output is correct |
14 | Correct | 21 ms | 31744 KB | Output is correct |
15 | Correct | 21 ms | 31616 KB | Output is correct |
16 | Correct | 21 ms | 31744 KB | Output is correct |
17 | Correct | 22 ms | 31616 KB | Output is correct |
18 | Correct | 21 ms | 31744 KB | Output is correct |
19 | Correct | 21 ms | 31740 KB | Output is correct |
20 | Correct | 22 ms | 31744 KB | Output is correct |
21 | Correct | 21 ms | 31616 KB | Output is correct |
22 | Correct | 21 ms | 31744 KB | Output is correct |
23 | Correct | 21 ms | 31744 KB | Output is correct |
24 | Correct | 21 ms | 31744 KB | Output is correct |
25 | Correct | 22 ms | 31744 KB | Output is correct |
26 | Correct | 21 ms | 31744 KB | Output is correct |
27 | Correct | 22 ms | 31744 KB | Output is correct |
28 | Correct | 22 ms | 31744 KB | Output is correct |
29 | Correct | 22 ms | 31744 KB | Output is correct |
30 | Correct | 22 ms | 31744 KB | Output is correct |
31 | Correct | 22 ms | 31744 KB | Output is correct |
32 | Correct | 23 ms | 31744 KB | Output is correct |
33 | Correct | 22 ms | 31744 KB | Output is correct |
34 | Correct | 21 ms | 31744 KB | Output is correct |
35 | Correct | 23 ms | 31812 KB | Output is correct |
36 | Correct | 23 ms | 31872 KB | Output is correct |
37 | Correct | 23 ms | 31744 KB | Output is correct |
38 | Correct | 23 ms | 31744 KB | Output is correct |
39 | Correct | 23 ms | 31744 KB | Output is correct |
40 | Correct | 23 ms | 31744 KB | Output is correct |
41 | Correct | 24 ms | 31744 KB | Output is correct |
42 | Correct | 27 ms | 31744 KB | Output is correct |
43 | Runtime error | 65 ms | 63992 KB | Execution killed with signal 11 |
44 | Halted | 0 ms | 0 KB | - |