oj.uz

Submission #377737

# Submission time Handle Problem Language Result Execution time Memory
377737 2021-03-14T21:44:30 Z AlexRex0 Traffic (IOI10_traffic) C++14
0 / 100
 5000 ms 24044 KB 
#include "traffic.h"
#include <stdio.h>
#include <bits/stdc++.h>
using namespace std;
vector<int> g[1000002];
long long int sub[1000002];
bool visitado[1000002];
int v[1000002];
long long int dfs(int nodo, int padre){
    sub[nodo]+= v[nodo];
    for(int i = 0 ; i < g[nodo].size(); ++i){
        if(g[nodo][i] != padre){
            sub[nodo]+= dfs(g[nodo][i], nodo);
        }
    }
    return sub[nodo];
}
long long int indRes, indMax = -1, Max, aux, Res;
static int N,P[1000000],S[1000000],D[1000000];
int LocateCentre(int N, int pp[], int S[], int D[]) {
    for(int i = 0; i < N - 1; ++i){
        g[S[i]].push_back(D[i]);
        g[D[i]].push_back(S[i]);
        v[i] = pp[i];
    }
    v[N - 1] = pp[N - 1];
    dfs(0, -1);
    Max = -1;
    for(int i = 0; i < g[0].size(); ++i){
        if(sub[g[0][i]] > Max){
            Max = sub[g[0][i]];
        }
    }
    Res = Max;
    while(true){
        Max = -1;
        for(int i = 0; i < g[aux].size(); ++i){
            if(sub[g[aux][i]] > Max){
                Max = sub[g[aux][i]];
                indMax = g[aux][i];
            }
        }
        if(Max < Res){
            indRes = aux;
            Res = Max;
        }
        sub[aux]-= sub[indMax];
        sub[indMax]+= sub[aux];
        if(indRes == indMax){
            break;
        }
        aux = indMax;
    }
    return indRes;
}

Compilation message

traffic.cpp: In function 'long long int dfs(int, int)':
traffic.cpp:11:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     for(int i = 0 ; i < g[nodo].size(); ++i){
      |                     ~~^~~~~~~~~~~~~~~~
traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:29:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(int i = 0; i < g[0].size(); ++i){
      |                    ~~^~~~~~~~~~~~~
traffic.cpp:37:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |         for(int i = 0; i < g[aux].size(); ++i){
      |                        ~~^~~~~~~~~~~~~~~
traffic.cpp: At global scope:
traffic.cpp:19:36: warning: 'D' defined but not used [-Wunused-variable]
   19 | static int N,P[1000000],S[1000000],D[1000000];
      |                                    ^
traffic.cpp:19:25: warning: 'S' defined but not used [-Wunused-variable]
   19 | static int N,P[1000000],S[1000000],D[1000000];
      |                         ^
traffic.cpp:19:14: warning: 'P' defined but not used [-Wunused-variable]
   19 | static int N,P[1000000],S[1000000],D[1000000];
      |              ^
traffic.cpp:19:12: warning: 'N' defined but not used [-Wunused-variable]
   19 | static int N,P[1000000],S[1000000],D[1000000];
      |            ^

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 18 ms 23788 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 17 ms 23788 KB Output is correct
5 Correct 17 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 17 ms 23788 KB Output is correct
9 Correct 17 ms 23788 KB Output is correct
10 Correct 17 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 17 ms 23788 KB Output is correct
14 Correct 17 ms 23788 KB Output is correct
15 Correct 16 ms 23788 KB Output is correct
16 Correct 16 ms 23788 KB Output is correct
17 Correct 17 ms 23788 KB Output is correct
18 Correct 16 ms 23788 KB Output is correct
19 Correct 17 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 17 ms 23788 KB Output is correct
23 Correct 16 ms 23788 KB Output is correct
24 Correct 16 ms 23788 KB Output is correct
25 Correct 17 ms 23788 KB Output is correct
26 Correct 17 ms 23916 KB Output is correct
27 Correct 17 ms 23916 KB Output is correct
28 Correct 17 ms 23916 KB Output is correct
29 Correct 17 ms 24044 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 17 ms 23916 KB Output is correct
32 Correct 17 ms 23916 KB Output is correct
33 Correct 18 ms 23916 KB Output is correct
34 Correct 17 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 17 ms 23916 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 Execution timed out 5057 ms 23788 KB Time limit exceeded
44 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 18 ms 23788 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 17 ms 23788 KB Output is correct
5 Correct 17 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 17 ms 23788 KB Output is correct
9 Correct 17 ms 23788 KB Output is correct
10 Correct 17 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 17 ms 23788 KB Output is correct
14 Correct 17 ms 23788 KB Output is correct
15 Correct 16 ms 23788 KB Output is correct
16 Correct 16 ms 23788 KB Output is correct
17 Correct 17 ms 23788 KB Output is correct
18 Correct 16 ms 23788 KB Output is correct
19 Correct 17 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 17 ms 23788 KB Output is correct
23 Correct 16 ms 23788 KB Output is correct
24 Correct 16 ms 23788 KB Output is correct
25 Correct 17 ms 23788 KB Output is correct
26 Correct 17 ms 23916 KB Output is correct
27 Correct 17 ms 23916 KB Output is correct
28 Correct 17 ms 23916 KB Output is correct
29 Correct 17 ms 24044 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 17 ms 23916 KB Output is correct
32 Correct 17 ms 23916 KB Output is correct
33 Correct 18 ms 23916 KB Output is correct
34 Correct 17 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 17 ms 23916 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 Execution timed out 5057 ms 23788 KB Time limit exceeded
44 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 18 ms 23788 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 17 ms 23788 KB Output is correct
5 Correct 17 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 17 ms 23788 KB Output is correct
9 Correct 17 ms 23788 KB Output is correct
10 Correct 17 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 17 ms 23788 KB Output is correct
14 Correct 17 ms 23788 KB Output is correct
15 Correct 16 ms 23788 KB Output is correct
16 Correct 16 ms 23788 KB Output is correct
17 Correct 17 ms 23788 KB Output is correct
18 Correct 16 ms 23788 KB Output is correct
19 Correct 17 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 17 ms 23788 KB Output is correct
23 Correct 16 ms 23788 KB Output is correct
24 Correct 16 ms 23788 KB Output is correct
25 Correct 17 ms 23788 KB Output is correct
26 Correct 17 ms 23916 KB Output is correct
27 Correct 17 ms 23916 KB Output is correct
28 Correct 17 ms 23916 KB Output is correct
29 Correct 17 ms 24044 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 17 ms 23916 KB Output is correct
32 Correct 17 ms 23916 KB Output is correct
33 Correct 18 ms 23916 KB Output is correct
34 Correct 17 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 17 ms 23916 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 Execution timed out 5057 ms 23788 KB Time limit exceeded
44 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 18 ms 23788 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 17 ms 23788 KB Output is correct
5 Correct 17 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 17 ms 23788 KB Output is correct
9 Correct 17 ms 23788 KB Output is correct
10 Correct 17 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 17 ms 23788 KB Output is correct
14 Correct 17 ms 23788 KB Output is correct
15 Correct 16 ms 23788 KB Output is correct
16 Correct 16 ms 23788 KB Output is correct
17 Correct 17 ms 23788 KB Output is correct
18 Correct 16 ms 23788 KB Output is correct
19 Correct 17 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 17 ms 23788 KB Output is correct
23 Correct 16 ms 23788 KB Output is correct
24 Correct 16 ms 23788 KB Output is correct
25 Correct 17 ms 23788 KB Output is correct
26 Correct 17 ms 23916 KB Output is correct
27 Correct 17 ms 23916 KB Output is correct
28 Correct 17 ms 23916 KB Output is correct
29 Correct 17 ms 24044 KB Output is correct
30 Correct 17 ms 23916 KB Output is correct
31 Correct 17 ms 23916 KB Output is correct
32 Correct 17 ms 23916 KB Output is correct
33 Correct 18 ms 23916 KB Output is correct
34 Correct 17 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 17 ms 23916 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 Execution timed out 5057 ms 23788 KB Time limit exceeded
44 Halted 0 ms 0 KB -