結果
問題 | No.806 木を道に |
ユーザー | spihill |
提出日時 | 2019-03-22 21:42:00 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 59 ms / 2,000 ms |
コード長 | 2,859 bytes |
コンパイル時間 | 1,699 ms |
コンパイル使用メモリ | 169,800 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-19 03:12:11 |
合計ジャッジ時間 | 3,468 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 14 ms
5,376 KB |
testcase_11 | AC | 13 ms
5,376 KB |
testcase_12 | AC | 50 ms
5,376 KB |
testcase_13 | AC | 37 ms
5,376 KB |
testcase_14 | AC | 47 ms
5,376 KB |
testcase_15 | AC | 50 ms
5,376 KB |
testcase_16 | AC | 18 ms
5,376 KB |
testcase_17 | AC | 44 ms
5,376 KB |
testcase_18 | AC | 6 ms
5,376 KB |
testcase_19 | AC | 14 ms
5,376 KB |
testcase_20 | AC | 44 ms
5,376 KB |
testcase_21 | AC | 25 ms
5,376 KB |
testcase_22 | AC | 59 ms
5,376 KB |
testcase_23 | AC | 59 ms
5,376 KB |
testcase_24 | AC | 31 ms
5,376 KB |
testcase_25 | AC | 47 ms
5,376 KB |
testcase_26 | AC | 17 ms
5,376 KB |
testcase_27 | AC | 56 ms
5,376 KB |
testcase_28 | AC | 3 ms
5,376 KB |
ソースコード
#include "bits/stdc++.h" using ll = long long; using namespace std; #define int ll //0 -> a-1 #define rep(i, a) for (int i = 0; (i) < (int)(a); (i)++) //a -> b-1 #define reps(i, a, b) for (int i = (int)(a); (i) < (int)(b); (i)++) //a-1 -> 0 #define rrep(i, a) for (int i = (int)a - 1; (i) >= 0; (i)--) //a-1 -> b #define rreps(i, a, b) for (int i = (int)(a)-1; (i) >= (int)(b); (i)--) #define MP(a, b) make_pair((a), (b)) #define PB(a) push_back((a)) #define all(v) (v).begin(), (v).end() //next_permutation(all(v)) #define PERM(v) next_permutation(all(v)) /*sort(all(v)); (v).erase(unique(all(v)), v.end())*/ #define UNIQUE(v) \ sort(all(v)); \ (v).erase(unique(all(v)), v.end()) #define CIN(type, x) \ type x; \ cin >> x #define YES(f) if ((f)) {cout << "YES" << endl;} else {cout << "NO" << endl;} #define Yes(f) if ((f)) {cout << "Yes" << endl;} else {cout << "No" << endl;} #define MINV(v) min_element(all(v)) #define MAXV(v) max_element(all(v)) #define MIN3(a, b, c) min(min(a, b), c) #define MIN4(a, b, c, d) min(MIN3(a, b, c), d) #define MIN5(a, b, c, d, e) min(MIN4(a, b, c, d), e) #define MIN6(a, b, c, d, e, f) min(MIN5(a, b, c, d, e), f) #define MAX3(a, b, c) max(max(a, b), c) #define MAX4(a, b, c, d) max(MAX3(a, b, c), d) #define MAX5(a, b, c, d, e) max(MAX4(a, b, c, d), e) #define MAX6(a, b, c, d, e, f) max(MAX5(a, b, c, d, e), f) //b is [a, c) #define RANGE(a, b, c) ((a) <= (b) && (b) < (c)) //c is [a, e) && d is [b, f) #define RANGE2D(a, b, c, d, e, f) (RANGE((a), (c), (e)) && RANGE((b), (d), (f))) #define chmin(a, b) a = min(a, (b)) #define chmin3(a, b, c) a = MIN3(a, (b), (c)) #define chmin4(a, b, c, d) a = MIN4(a, (b), (c), (d)) #define chmin5(a, b, c, d, e) a = MIN5(a, (b), (c), (d), (e)) #define chmin6(a, b, c, d, e, f) a = MIN6(a, (b), (c), (d), (e), (f)) #define chmax(a, b) a = max(a, (b)) #define chmax3(a, b, c) a = MAX3(a, (b), (c)) #define chmax4(a, b, c, d) a = MAX4(a, (b), (c), (d)) #define chmax5(a, b, c, d, e) a = MAX5(a, (b), (c), (d), (e)) #define chmax6(a, b, c, d, e, f) a = MAX6(a, (b), (c), (d), (e), (f)) #define fcout cout << fixed << setprecision(12) #define RS resize #define CINV(v, N) \ do \ { \ v.RS(N); \ rep(i, N) cin >> v[i]; \ } while (0); #define RCINV(v, N) \ do \ { \ v.RS(N); \ rrep(i, N) cin >> v[i]; \ } while (0); #define MOD 1000000007 template <class T> inline T GET() { T x; cin >> x; return x; } void init(); void solve(); signed main() { init(); solve(); } void init() { int N; cin >> N; vector<int> v(N, 0); rep(i, N-1) { int a, b; cin >> a >> b; a--;b--; v[a]++; v[b]++; } int res = -2; for (auto x : v) { if (x == 1) res++; } cout << res << endl; } void solve() { }