Submission #2166679


Source Code Expand

#include <bits/stdc++.h>

#define INF 1000000010
#define INFLL ((1LL<<62)-5)
#define FO(i,a,b) for (int (i) = (a); (i) < (b); ++(i))
#define OF(i,a,b) for (int (i) = (a)-1; (i) >= (b); --(i))
#define SZ(v) int(v.size())
#define pb push_back

using namespace std;
//PAIRS:
#define mp make_pair
#define fi first
#define se second
typedef pair<int,int> pii;
typedef long long ll;

/*~~~~TEMPLATE END~~~~*/

const int MAXN = 100005;
int N;
vector<int> allE[MAXN];
int par[MAXN];

vector<int> dfs (int c) {
    int cnt[20];
    fill(cnt, cnt+20, 0);
    for (int nxt : allE[c]) {
        if (nxt == par[c]) continue;
        par[nxt] = c;
        auto chV = dfs(nxt);
        for (int v : chV) {
            cnt[v]++;
        }
    }
    int endSpot = 0;
    for (int c = 19; c >= 0; c--) {
        if (c == 0 || cnt[c] > 1) {
            while (cnt[endSpot]) endSpot++;
        }
    }
    cnt[endSpot] = 1;
    vector<int> ret;
    for (int c = 19; c >= endSpot; c--) {
        if (cnt[c]) ret.push_back(c);
    }
    return ret;
}


int main() {
    scanf ("%d", &N);
    FO (i,0,N-1) {
        int a, b;
        scanf("%d %d", &a, &b);
        allE[a].pb(b);
        allE[b].pb(a);
    }
    auto v = dfs(1);
    printf ("%d\n", v[0]);
    return 0;
}

Submission Info

Submission Time
Task D - Uninity
User Antiforest
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1315 Byte
Status WA
Exec Time 77 ms
Memory 17536 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:52:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf ("%d", &N);
                     ^
./Main.cpp:55:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &a, &b);
                               ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1400
Status
AC × 2
AC × 55
WA × 19
Set Name Test Cases
Sample s1.txt, s2.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, 65.txt, 66.txt, 67.txt, 68.txt, 69.txt, 70.txt, 71.txt, 72.txt, s1.txt, s2.txt
Case Name Status Exec Time Memory
01.txt WA 60 ms 6272 KB
02.txt WA 60 ms 6272 KB
03.txt WA 64 ms 6272 KB
04.txt WA 58 ms 6272 KB
05.txt WA 55 ms 6272 KB
06.txt WA 53 ms 6272 KB
07.txt WA 59 ms 6272 KB
08.txt WA 58 ms 6272 KB
09.txt AC 52 ms 11008 KB
10.txt AC 53 ms 14080 KB
11.txt AC 25 ms 8064 KB
12.txt AC 25 ms 8576 KB
13.txt AC 75 ms 17536 KB
14.txt AC 72 ms 16896 KB
15.txt AC 77 ms 14848 KB
16.txt WA 71 ms 9984 KB
17.txt AC 45 ms 6520 KB
18.txt AC 48 ms 6516 KB
19.txt AC 48 ms 6656 KB
20.txt AC 51 ms 6656 KB
21.txt AC 51 ms 6528 KB
22.txt AC 55 ms 6528 KB
23.txt AC 47 ms 6520 KB
24.txt AC 42 ms 6520 KB
25.txt AC 48 ms 6396 KB
26.txt AC 52 ms 6400 KB
27.txt AC 55 ms 6400 KB
28.txt AC 55 ms 6400 KB
29.txt AC 58 ms 6400 KB
30.txt AC 58 ms 6400 KB
31.txt AC 61 ms 6400 KB
32.txt AC 55 ms 6272 KB
33.txt AC 58 ms 6272 KB
34.txt AC 65 ms 6272 KB
35.txt AC 65 ms 6272 KB
36.txt AC 56 ms 6272 KB
37.txt AC 65 ms 6272 KB
38.txt AC 58 ms 6144 KB
39.txt AC 58 ms 6144 KB
40.txt AC 55 ms 6272 KB
41.txt AC 56 ms 6272 KB
42.txt AC 67 ms 6144 KB
43.txt AC 58 ms 6144 KB
44.txt AC 57 ms 6784 KB
45.txt AC 55 ms 6784 KB
46.txt WA 56 ms 6784 KB
47.txt WA 54 ms 6784 KB
48.txt WA 61 ms 6784 KB
49.txt WA 57 ms 6656 KB
50.txt WA 56 ms 6528 KB
51.txt WA 56 ms 6528 KB
52.txt WA 59 ms 6272 KB
53.txt WA 65 ms 6400 KB
54.txt WA 69 ms 6528 KB
55.txt WA 67 ms 6400 KB
56.txt AC 46 ms 6520 KB
57.txt AC 64 ms 14076 KB
58.txt AC 66 ms 14076 KB
59.txt AC 68 ms 6400 KB
60.txt AC 69 ms 6400 KB
61.txt AC 48 ms 9080 KB
62.txt AC 49 ms 9080 KB
63.txt AC 2 ms 2560 KB
64.txt AC 2 ms 2560 KB
65.txt AC 2 ms 2560 KB
66.txt AC 2 ms 2560 KB
67.txt AC 2 ms 2560 KB
68.txt AC 2 ms 2560 KB
69.txt AC 2 ms 2560 KB
70.txt AC 2 ms 2560 KB
71.txt AC 2 ms 2560 KB
72.txt AC 2 ms 2560 KB
s1.txt AC 2 ms 2560 KB
s2.txt AC 2 ms 2560 KB