oj.uz

Submission #378001

# Submission time Handle Problem Language Result Execution time Memory
378001 2021-03-15T17:16:32 Z meperdonas203 Traffic (IOI10_traffic) C++17
0 / 100
 47 ms 47980 KB 
#include "traffic.h"
#include <bits/stdc++.h>
#include <vector>
using namespace std;
vector <int> adjacencia[1000002];
long long int sub_arb[1000002];
long long int menor=INT_MAX;
int ans=0;
int dfs(int nodo,int anterior){
  for(int i=0;i<adjacencia[nodo].size();i++){
    if(adjacencia[nodo][i]!=anterior){
      sub_arb[nodo]+=dfs(adjacencia[nodo][i],nodo);
    }
  }
  return sub_arb[nodo];
}
void respuesta(int nodo,int anterior){
  int maximo=sub_arb[adjacencia[nodo][0]];
  int hijo=adjacencia[nodo][0];
  for(int i=0;i<adjacencia[nodo].size();i++){
    if(sub_arb[adjacencia[nodo][i]]>maximo){
      hijo=adjacencia[nodo][i];
      maximo=sub_arb[adjacencia[nodo][i]];
    }
  }
  if(maximo<menor){
    ans=nodo;
    menor=maximo;
  }
  if(hijo==anterior){
    return ;
  }
  sub_arb[nodo]-=sub_arb[hijo];
  sub_arb[hijo]+=sub_arb[nodo];
  respuesta(hijo,nodo);
  return;
}
int LocateCentre(int N, int pp[], int S[], int D[]) {
  for(int i=0;i<N;i++){
    sub_arb[i]=pp[i];
  }
   for(int i= 0;i<=N-2;i++){
     adjacencia[S[i]].push_back(D[i]);
     adjacencia[D[i]].push_back(S[i]);
   }
   dfs(0,0);
   respuesta(0,0);
   return ans;
}

Compilation message

traffic.cpp: In function 'int dfs(int, int)':
traffic.cpp:10:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |   for(int i=0;i<adjacencia[nodo].size();i++){
      |               ~^~~~~~~~~~~~~~~~~~~~~~~~
traffic.cpp: In function 'void respuesta(int, int)':
traffic.cpp:20:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   for(int i=0;i<adjacencia[nodo].size();i++){
      |               ~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 23788 KB Output is correct
2 Correct 17 ms 23788 KB Output is correct
3 Correct 16 ms 23788 KB Output is correct
4 Correct 16 ms 23788 KB Output is correct
5 Correct 16 ms 23788 KB Output is correct
6 Correct 16 ms 23788 KB Output is correct
7 Correct 17 ms 23788 KB Output is correct
8 Correct 18 ms 23916 KB Output is correct
9 Correct 17 ms 23788 KB Output is correct
10 Correct 16 ms 23788 KB Output is correct
11 Correct 17 ms 23788 KB Output is correct
12 Correct 17 ms 23788 KB Output is correct
13 Correct 16 ms 23788 KB Output is correct
14 Correct 17 ms 23916 KB Output is correct
15 Correct 17 ms 23788 KB Output is correct
16 Correct 16 ms 23788 KB Output is correct
17 Correct 18 ms 23788 KB Output is correct
18 Correct 20 ms 23788 KB Output is correct
19 Correct 16 ms 23788 KB Output is correct
20 Correct 17 ms 23788 KB Output is correct
21 Correct 17 ms 23788 KB Output is correct
22 Correct 18 ms 23916 KB Output is correct
23 Correct 17 ms 23808 KB Output is correct
24 Correct 17 ms 23788 KB Output is correct
25 Correct 17 ms 23788 KB Output is correct
26 Correct 17 ms 23788 KB Output is correct
27 Correct 16 ms 23788 KB Output is correct
28 Correct 18 ms 23916 KB Output is correct
29 Correct 17 ms 23916 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 17 ms 23916 KB Output is correct
32 Correct 18 ms 23916 KB Output is correct
33 Correct 17 ms 23916 KB Output is correct
34 Correct 16 ms 23788 KB Output is correct
35 Correct 17 ms 23916 KB Output is correct
36 Correct 17 ms 23916 KB Output is correct
37 Correct 18 ms 24044 KB Output is correct
38 Correct 17 ms 23916 KB Output is correct
39 Correct 17 ms 23916 KB Output is correct
40 Correct 17 ms 23916 KB Output is correct
41 Correct 17 ms 23916 KB Output is correct
42 Correct 17 ms 23916 KB Output is correct
43 Runtime error 47 ms 47980 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 23788 KB Output is correct
2 Correct 17 ms 23788 KB Output is correct
3 Correct 16 ms 23788 KB Output is correct
4 Correct 16 ms 23788 KB Output is correct
5 Correct 16 ms 23788 KB Output is correct
6 Correct 16 ms 23788 KB Output is correct
7 Correct 17 ms 23788 KB Output is correct
8 Correct 18 ms 23916 KB Output is correct
9 Correct 17 ms 23788 KB Output is correct
10 Correct 16 ms 23788 KB Output is correct
11 Correct 17 ms 23788 KB Output is correct
12 Correct 17 ms 23788 KB Output is correct
13 Correct 16 ms 23788 KB Output is correct
14 Correct 17 ms 23916 KB Output is correct
15 Correct 17 ms 23788 KB Output is correct
16 Correct 16 ms 23788 KB Output is correct
17 Correct 18 ms 23788 KB Output is correct
18 Correct 20 ms 23788 KB Output is correct
19 Correct 16 ms 23788 KB Output is correct
20 Correct 17 ms 23788 KB Output is correct
21 Correct 17 ms 23788 KB Output is correct
22 Correct 18 ms 23916 KB Output is correct
23 Correct 17 ms 23808 KB Output is correct
24 Correct 17 ms 23788 KB Output is correct
25 Correct 17 ms 23788 KB Output is correct
26 Correct 17 ms 23788 KB Output is correct
27 Correct 16 ms 23788 KB Output is correct
28 Correct 18 ms 23916 KB Output is correct
29 Correct 17 ms 23916 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 17 ms 23916 KB Output is correct
32 Correct 18 ms 23916 KB Output is correct
33 Correct 17 ms 23916 KB Output is correct
34 Correct 16 ms 23788 KB Output is correct
35 Correct 17 ms 23916 KB Output is correct
36 Correct 17 ms 23916 KB Output is correct
37 Correct 18 ms 24044 KB Output is correct
38 Correct 17 ms 23916 KB Output is correct
39 Correct 17 ms 23916 KB Output is correct
40 Correct 17 ms 23916 KB Output is correct
41 Correct 17 ms 23916 KB Output is correct
42 Correct 17 ms 23916 KB Output is correct
43 Runtime error 47 ms 47980 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 23788 KB Output is correct
2 Correct 17 ms 23788 KB Output is correct
3 Correct 16 ms 23788 KB Output is correct
4 Correct 16 ms 23788 KB Output is correct
5 Correct 16 ms 23788 KB Output is correct
6 Correct 16 ms 23788 KB Output is correct
7 Correct 17 ms 23788 KB Output is correct
8 Correct 18 ms 23916 KB Output is correct
9 Correct 17 ms 23788 KB Output is correct
10 Correct 16 ms 23788 KB Output is correct
11 Correct 17 ms 23788 KB Output is correct
12 Correct 17 ms 23788 KB Output is correct
13 Correct 16 ms 23788 KB Output is correct
14 Correct 17 ms 23916 KB Output is correct
15 Correct 17 ms 23788 KB Output is correct
16 Correct 16 ms 23788 KB Output is correct
17 Correct 18 ms 23788 KB Output is correct
18 Correct 20 ms 23788 KB Output is correct
19 Correct 16 ms 23788 KB Output is correct
20 Correct 17 ms 23788 KB Output is correct
21 Correct 17 ms 23788 KB Output is correct
22 Correct 18 ms 23916 KB Output is correct
23 Correct 17 ms 23808 KB Output is correct
24 Correct 17 ms 23788 KB Output is correct
25 Correct 17 ms 23788 KB Output is correct
26 Correct 17 ms 23788 KB Output is correct
27 Correct 16 ms 23788 KB Output is correct
28 Correct 18 ms 23916 KB Output is correct
29 Correct 17 ms 23916 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 17 ms 23916 KB Output is correct
32 Correct 18 ms 23916 KB Output is correct
33 Correct 17 ms 23916 KB Output is correct
34 Correct 16 ms 23788 KB Output is correct
35 Correct 17 ms 23916 KB Output is correct
36 Correct 17 ms 23916 KB Output is correct
37 Correct 18 ms 24044 KB Output is correct
38 Correct 17 ms 23916 KB Output is correct
39 Correct 17 ms 23916 KB Output is correct
40 Correct 17 ms 23916 KB Output is correct
41 Correct 17 ms 23916 KB Output is correct
42 Correct 17 ms 23916 KB Output is correct
43 Runtime error 47 ms 47980 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 23788 KB Output is correct
2 Correct 17 ms 23788 KB Output is correct
3 Correct 16 ms 23788 KB Output is correct
4 Correct 16 ms 23788 KB Output is correct
5 Correct 16 ms 23788 KB Output is correct
6 Correct 16 ms 23788 KB Output is correct
7 Correct 17 ms 23788 KB Output is correct
8 Correct 18 ms 23916 KB Output is correct
9 Correct 17 ms 23788 KB Output is correct
10 Correct 16 ms 23788 KB Output is correct
11 Correct 17 ms 23788 KB Output is correct
12 Correct 17 ms 23788 KB Output is correct
13 Correct 16 ms 23788 KB Output is correct
14 Correct 17 ms 23916 KB Output is correct
15 Correct 17 ms 23788 KB Output is correct
16 Correct 16 ms 23788 KB Output is correct
17 Correct 18 ms 23788 KB Output is correct
18 Correct 20 ms 23788 KB Output is correct
19 Correct 16 ms 23788 KB Output is correct
20 Correct 17 ms 23788 KB Output is correct
21 Correct 17 ms 23788 KB Output is correct
22 Correct 18 ms 23916 KB Output is correct
23 Correct 17 ms 23808 KB Output is correct
24 Correct 17 ms 23788 KB Output is correct
25 Correct 17 ms 23788 KB Output is correct
26 Correct 17 ms 23788 KB Output is correct
27 Correct 16 ms 23788 KB Output is correct
28 Correct 18 ms 23916 KB Output is correct
29 Correct 17 ms 23916 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 17 ms 23916 KB Output is correct
32 Correct 18 ms 23916 KB Output is correct
33 Correct 17 ms 23916 KB Output is correct
34 Correct 16 ms 23788 KB Output is correct
35 Correct 17 ms 23916 KB Output is correct
36 Correct 17 ms 23916 KB Output is correct
37 Correct 18 ms 24044 KB Output is correct
38 Correct 17 ms 23916 KB Output is correct
39 Correct 17 ms 23916 KB Output is correct
40 Correct 17 ms 23916 KB Output is correct
41 Correct 17 ms 23916 KB Output is correct
42 Correct 17 ms 23916 KB Output is correct
43 Runtime error 47 ms 47980 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -