oj.uz

Submission #371590

# Submission time Handle Problem Language Result Execution time Memory
371590 2021-02-27T00:13:53 Z ignaciocanta Traffic (IOI10_traffic) C++14
50 / 100
 19 ms 2924 KB 
#include <bits/stdc++.h>
#include <traffic.h>
 
using namespace std;
 
using tint = long long;
using ld = long double;
 
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)
 
using pi = pair<tint,tint>;
using pl = pair<tint,tint>;
using vi = vector<int>;
using vpi = vector<pi>;
using vvi = vector<vi>;
using vl = vector<tint>;
using vb = vector<bool>;

#define pb push_back
#define pf push_front
#define rsz resize
#define all(x) begin(x), end(x)
#define rall(x) x.rbegin(), x.rend() 
#define sz(x) (int)(x).size()
#define ins insert


#define f first
#define s second
#define mp make_pair
 
#define DBG(x) cerr << #x << " = " << x << endl;
 
const int MOD = 1e9+7;
const int mod = 998244353;
const int MX = 4005; 
const tint INF = 1e18; 
const int inf = 2e9;
const ld PI = acos(ld(-1)); 
const ld eps = 1e-8;
 
const int dx[4] = {1, -1, 0, 0};
const int dy[4] = {0, 0, 1, -1};
 
template<class T> void remDup(vector<T> &v){ 
    sort(all(v)); v.erase(unique(all(v)),end(v));
}
 
bool valid(int x, int y, int n, int m){
    return (0<=x && x<n && 0<=y && y<m);
}
 
int cdiv(int a, int b) { return a/b+((a^b)>0&&a%b); } //redondea p arriba
int fdiv(int a, int b) { return a/b-((a^b)<0&&a%b); } //redonde p abajo
 
void NACHO(string name = ""){
    ios_base::sync_with_stdio(0); cin.tie(0);
  //  freopen((name+".in").c_str(), "r", stdin);
  //  freopen((name+".out").c_str(), "w", stdout);
}

vi adj[MX];
int sum[MX];
int ret = -inf;

void dfs(int node, int pa){
    int maxiAct = -inf;
    trav(u, adj[node]){
        if(u != pa){
            dfs(u, node);
            maxiAct = max(maxiAct, sum[u]);
            sum[node] += sum[u];
        }
    }
    ret = max(ret, maxiAct);
}

int LocateCentre(int n, int p[], int d[], int s[]){
	F0R(i, n-1){
		adj[d[i]].pb(s[i]);
		adj[s[i]].pb(d[i]);
	}
    int res = inf;
    int nodo;
	F0R(i, n){
        ret = -inf;
        F0R(j, n) sum[j] = p[j];
        dfs(i, -1);
        if(ret < res){
            res = ret;
            nodo = i;
        }
    }
	return nodo;
}

Compilation message

traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:98:9: warning: 'nodo' may be used uninitialized in this function [-Wmaybe-uninitialized]
   98 |  return nodo;
      |         ^~~~

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 420 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 2 ms 524 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 2 ms 492 KB Output is correct
30 Correct 3 ms 492 KB Output is correct
31 Correct 3 ms 492 KB Output is correct
32 Correct 4 ms 492 KB Output is correct
33 Correct 5 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 5 ms 492 KB Output is correct
36 Correct 6 ms 492 KB Output is correct
37 Correct 7 ms 492 KB Output is correct
38 Correct 8 ms 492 KB Output is correct
39 Correct 8 ms 492 KB Output is correct
40 Correct 9 ms 492 KB Output is correct
41 Correct 10 ms 620 KB Output is correct
42 Correct 12 ms 620 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 492 KB Output is correct
45 Correct 1 ms 492 KB Output is correct
46 Correct 1 ms 492 KB Output is correct
47 Correct 1 ms 492 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 420 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 2 ms 524 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 2 ms 492 KB Output is correct
30 Correct 3 ms 492 KB Output is correct
31 Correct 3 ms 492 KB Output is correct
32 Correct 4 ms 492 KB Output is correct
33 Correct 5 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 5 ms 492 KB Output is correct
36 Correct 6 ms 492 KB Output is correct
37 Correct 7 ms 492 KB Output is correct
38 Correct 8 ms 492 KB Output is correct
39 Correct 8 ms 492 KB Output is correct
40 Correct 9 ms 492 KB Output is correct
41 Correct 10 ms 620 KB Output is correct
42 Correct 12 ms 620 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 492 KB Output is correct
45 Correct 1 ms 492 KB Output is correct
46 Correct 1 ms 492 KB Output is correct
47 Correct 1 ms 492 KB Output is correct
48 Correct 1 ms 492 KB Output is correct
49 Correct 1 ms 492 KB Output is correct
50 Correct 1 ms 492 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 492 KB Output is correct
54 Correct 1 ms 492 KB Output is correct
55 Correct 1 ms 492 KB Output is correct
56 Correct 1 ms 492 KB Output is correct
57 Correct 1 ms 492 KB Output is correct
58 Correct 1 ms 492 KB Output is correct
59 Correct 1 ms 492 KB Output is correct
60 Correct 1 ms 492 KB Output is correct
61 Correct 1 ms 492 KB Output is correct
62 Correct 1 ms 492 KB Output is correct
63 Correct 1 ms 492 KB Output is correct
64 Correct 1 ms 492 KB Output is correct
65 Correct 1 ms 492 KB Output is correct
66 Correct 1 ms 492 KB Output is correct
67 Correct 1 ms 492 KB Output is correct
68 Runtime error 19 ms 2924 KB Execution killed with signal 11
69 Halted 0 ms 0 KB -

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 420 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 2 ms 524 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 2 ms 492 KB Output is correct
30 Correct 3 ms 492 KB Output is correct
31 Correct 3 ms 492 KB Output is correct
32 Correct 4 ms 492 KB Output is correct
33 Correct 5 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 5 ms 492 KB Output is correct
36 Correct 6 ms 492 KB Output is correct
37 Correct 7 ms 492 KB Output is correct
38 Correct 8 ms 492 KB Output is correct
39 Correct 8 ms 492 KB Output is correct
40 Correct 9 ms 492 KB Output is correct
41 Correct 10 ms 620 KB Output is correct
42 Correct 12 ms 620 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 492 KB Output is correct
45 Correct 1 ms 492 KB Output is correct
46 Correct 1 ms 492 KB Output is correct
47 Correct 1 ms 492 KB Output is correct
48 Correct 1 ms 492 KB Output is correct
49 Correct 1 ms 492 KB Output is correct
50 Correct 1 ms 512 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 492 KB Output is correct
54 Correct 1 ms 492 KB Output is correct
55 Correct 1 ms 492 KB Output is correct
56 Correct 1 ms 492 KB Output is correct
57 Correct 1 ms 492 KB Output is correct
58 Correct 1 ms 492 KB Output is correct
59 Correct 1 ms 492 KB Output is correct
60 Correct 1 ms 492 KB Output is correct
61 Correct 1 ms 492 KB Output is correct
62 Correct 1 ms 492 KB Output is correct
63 Correct 1 ms 492 KB Output is correct
64 Correct 1 ms 492 KB Output is correct
65 Correct 1 ms 492 KB Output is correct
66 Correct 1 ms 492 KB Output is correct
67 Correct 1 ms 512 KB Output is correct
68 Correct 1 ms 512 KB Output is correct
69 Correct 1 ms 492 KB Output is correct
70 Correct 1 ms 492 KB Output is correct
71 Correct 1 ms 492 KB Output is correct
72 Correct 1 ms 492 KB Output is correct
73 Correct 1 ms 620 KB Output is correct
74 Correct 1 ms 492 KB Output is correct
75 Correct 1 ms 492 KB Output is correct
76 Correct 2 ms 492 KB Output is correct
77 Correct 2 ms 492 KB Output is correct
78 Correct 2 ms 492 KB Output is correct
79 Correct 3 ms 492 KB Output is correct
80 Correct 3 ms 492 KB Output is correct
81 Correct 1 ms 364 KB Output is correct
82 Correct 4 ms 492 KB Output is correct
83 Correct 5 ms 492 KB Output is correct
84 Correct 7 ms 492 KB Output is correct
85 Correct 7 ms 492 KB Output is correct
86 Correct 9 ms 492 KB Output is correct
87 Correct 9 ms 492 KB Output is correct
88 Correct 10 ms 492 KB Output is correct
89 Correct 14 ms 492 KB Output is correct
90 Correct 12 ms 492 KB Output is correct
91 Correct 14 ms 492 KB Output is correct
92 Correct 1 ms 492 KB Output is correct
93 Correct 17 ms 492 KB Output is correct
94 Correct 3 ms 492 KB Output is correct
95 Correct 11 ms 620 KB Output is correct
96 Correct 1 ms 492 KB Output is correct
97 Correct 1 ms 492 KB Output is correct
98 Correct 1 ms 492 KB Output is correct
99 Correct 1 ms 492 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 420 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 2 ms 524 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 2 ms 492 KB Output is correct
30 Correct 3 ms 492 KB Output is correct
31 Correct 3 ms 492 KB Output is correct
32 Correct 4 ms 492 KB Output is correct
33 Correct 5 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 5 ms 492 KB Output is correct
36 Correct 6 ms 492 KB Output is correct
37 Correct 7 ms 492 KB Output is correct
38 Correct 8 ms 492 KB Output is correct
39 Correct 8 ms 492 KB Output is correct
40 Correct 9 ms 492 KB Output is correct
41 Correct 10 ms 620 KB Output is correct
42 Correct 12 ms 620 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 492 KB Output is correct
45 Correct 1 ms 492 KB Output is correct
46 Correct 1 ms 492 KB Output is correct
47 Correct 1 ms 492 KB Output is correct
48 Correct 1 ms 492 KB Output is correct
49 Correct 1 ms 492 KB Output is correct
50 Correct 1 ms 492 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 492 KB Output is correct
54 Correct 1 ms 492 KB Output is correct
55 Correct 1 ms 492 KB Output is correct
56 Correct 1 ms 492 KB Output is correct
57 Correct 1 ms 492 KB Output is correct
58 Correct 1 ms 492 KB Output is correct
59 Correct 1 ms 492 KB Output is correct
60 Correct 1 ms 492 KB Output is correct
61 Correct 1 ms 492 KB Output is correct
62 Correct 1 ms 492 KB Output is correct
63 Correct 1 ms 492 KB Output is correct
64 Correct 1 ms 492 KB Output is correct
65 Correct 1 ms 492 KB Output is correct
66 Correct 1 ms 492 KB Output is correct
67 Correct 1 ms 492 KB Output is correct
68 Runtime error 19 ms 2924 KB Execution killed with signal 11
69 Halted 0 ms 0 KB -