結果
問題 | No.812 Change of Class |
ユーザー | Konton7 |
提出日時 | 2020-05-04 00:00:15 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 166 ms / 4,000 ms |
コード長 | 4,970 bytes |
コンパイル時間 | 2,356 ms |
コンパイル使用メモリ | 212,456 KB |
実行使用メモリ | 9,832 KB |
最終ジャッジ日時 | 2024-06-23 05:29:39 |
合計ジャッジ時間 | 7,624 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 79 ms
7,936 KB |
testcase_01 | AC | 13 ms
5,376 KB |
testcase_02 | AC | 42 ms
5,760 KB |
testcase_03 | AC | 91 ms
8,704 KB |
testcase_04 | AC | 79 ms
8,064 KB |
testcase_05 | AC | 159 ms
8,408 KB |
testcase_06 | AC | 135 ms
7,436 KB |
testcase_07 | AC | 4 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 150 ms
9,000 KB |
testcase_10 | AC | 155 ms
8,960 KB |
testcase_11 | AC | 15 ms
6,788 KB |
testcase_12 | AC | 102 ms
8,632 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 110 ms
6,972 KB |
testcase_16 | AC | 8 ms
5,376 KB |
testcase_17 | AC | 102 ms
7,352 KB |
testcase_18 | AC | 79 ms
6,144 KB |
testcase_19 | AC | 92 ms
6,708 KB |
testcase_20 | AC | 166 ms
8,932 KB |
testcase_21 | AC | 72 ms
6,128 KB |
testcase_22 | AC | 33 ms
5,376 KB |
testcase_23 | AC | 7 ms
5,376 KB |
testcase_24 | AC | 11 ms
5,376 KB |
testcase_25 | AC | 27 ms
5,376 KB |
testcase_26 | AC | 130 ms
7,992 KB |
testcase_27 | AC | 118 ms
7,380 KB |
testcase_28 | AC | 84 ms
6,728 KB |
testcase_29 | AC | 19 ms
5,376 KB |
testcase_30 | AC | 103 ms
7,168 KB |
testcase_31 | AC | 92 ms
6,580 KB |
testcase_32 | AC | 41 ms
5,376 KB |
testcase_33 | AC | 108 ms
7,740 KB |
testcase_34 | AC | 10 ms
5,376 KB |
testcase_35 | AC | 21 ms
5,376 KB |
testcase_36 | AC | 8 ms
5,376 KB |
testcase_37 | AC | 49 ms
5,376 KB |
testcase_38 | AC | 7 ms
5,376 KB |
testcase_39 | AC | 51 ms
5,376 KB |
testcase_40 | AC | 14 ms
5,376 KB |
testcase_41 | AC | 5 ms
5,376 KB |
testcase_42 | AC | 106 ms
7,100 KB |
testcase_43 | AC | 30 ms
6,144 KB |
testcase_44 | AC | 73 ms
6,016 KB |
testcase_45 | AC | 9 ms
5,376 KB |
testcase_46 | AC | 27 ms
6,016 KB |
testcase_47 | AC | 69 ms
6,144 KB |
testcase_48 | AC | 82 ms
6,768 KB |
testcase_49 | AC | 22 ms
5,376 KB |
testcase_50 | AC | 2 ms
5,376 KB |
testcase_51 | AC | 25 ms
5,376 KB |
testcase_52 | AC | 52 ms
6,512 KB |
testcase_53 | AC | 14 ms
5,376 KB |
testcase_54 | AC | 13 ms
5,376 KB |
testcase_55 | AC | 54 ms
7,936 KB |
testcase_56 | AC | 67 ms
8,824 KB |
testcase_57 | AC | 68 ms
9,180 KB |
testcase_58 | AC | 35 ms
6,296 KB |
testcase_59 | AC | 76 ms
9,832 KB |
testcase_60 | AC | 2 ms
5,376 KB |
testcase_61 | AC | 2 ms
5,376 KB |
testcase_62 | AC | 1 ms
5,376 KB |
コンパイルメッセージ
main.cpp: In function 'void djkstra(int, int, const VVI&)': main.cpp:226:39: warning: 'days' may be used uninitialized [-Wmaybe-uninitialized] 226 | cout << friends << wsp << days << rt; | ^~ main.cpp:180:38: note: 'days' was declared here 180 | int friends{0}, longdistance{0}, days; | ^~~~
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using VI = vector<int>; using VL = vector<ll>; using VS = vector<string>; using VVI = vector<VI>; using VVL = vector<VL>; using PII = std::pair<int, int>; using PLL = std::pair<ll, ll>; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define rep2(i, s, n) for (int i = (s); i < (int)(n); i++) #define rep3(i, s, n, d) for (int i = (s); i < (int)(n); i += (d)) #define allpt(v) (v).begin(), (v).end() #define allpt_c(v) (v).cbegin(), (v).cend() #define allpt_r(v) (v).rbegin(), (v).rend() const int mod = 1e9 + 7, mod2 = 998244353, mod3 = 1e9 + 9; const ll inf = 1e18; const string wsp = " "; const string tb = "\t"; const string rt = "\n"; template <typename T> void show1dvec(const vector<T> &v) { if (v.size() == 0) return; int n = v.size() - 1; rep(i, n) cout << v[i] << wsp; cout << v[n] << rt; return; } template <typename T> void show2dvec(const vector<vector<T>> &v) { int n = v.size(); rep(i, n) show1dvec(v[i]); } template <typename T, typename S> void show1dpair(const vector<pair<T, S>> &v) { int n = v.size(); rep(i, n) cout << v[i].first << wsp << v[i].second << rt; return; } template <typename T, typename S> void pairzip(const vector<pair<T, S>> &v, vector<T> &t, vector<T> &s) { int n = v.size(); rep(i, n) { t.push_back(v[i].first); s.push_back(v[i].second); } return; } template <typename T> void maxvec(vector<T> &v) { T s = v[0]; int n = v.size(); rep(i, n - 1) { if (s > v[i + 1]) { v[i + 1] = s; } s = v[i + 1]; } } template <typename T, typename S> bool myfind(T t, S s) { return find(t.cbegin(), t.cend(), s) != t.cend(); } bool check(int y, int x, int h, int w) { return 0 <= y && y < h && 0 <= x && x < w; } template <typename T> vector<T> cumsum(const vector<T> &v) { T s = 0; vector<T> ret; rep(i, v.size()) { s += v[i]; s %= mod; ret.emplace_back(s); } return ret; } bool iskadomatsu(int a, int b, int c) { return (a != b && b != c && c != a) && ((a > b && b < c) || (a < b && b > c)); } VS split(string s, char c) { VS ret; string part; s += c; rep(i, s.length()) { if (s[i] == c) { ret.emplace_back(part); part = ""; } else if (s[i] != c) { part += s[i]; } } return ret; } string removezero(string &s) { string ret; for (auto z : s) if (z != '0') ret += z; return ret; } ll sumdigit(ll x) { ll ans{0}; while (x > 0) { ans += x % 10; x /= 10; } return ans; } template <typename T, typename S, typename R> ll pow_mod(T p, S q, R mod) { ll ret = 1, r = p; while (q) { if (q % 2) ret *= r, ret %= mod; r = (r * r) % mod, q /= 2; } return ret % mod; } ll comb(int a, int b, const VL &frac_list, const VL &frac_inv_list) { ll ret = frac_list[a]; ret *= frac_inv_list[b]; ret %= mod; ret *= frac_inv_list[a - b]; ret %= mod; return ret; } void djkstra(int n, int x, const VVI &connect) { const int maxint = 1e9; int friends{0}, longdistance{0}, days; vector<int> shortest(n, maxint); vector<int> search = {x}; vector<int> new_search; shortest[x] = 0; while (!search.empty()) { for (auto i : search) { for (auto j : connect[i]) { if (shortest[j] > shortest[i] + 1) { shortest[j] = shortest[i] + 1; new_search.push_back(j); } } } search.clear(); search = new_search; new_search.clear(); } rep(i, n) { if (i != x && shortest[i] != maxint) { friends++; longdistance = max(longdistance, shortest[i]); } } if (longdistance <= 1) days = 0; else { int l = 1, r = 2; rep2(i, 1, 30) { if (l < longdistance && longdistance <= r) { days = i; break; } l *= 2, r *= 2; } } cout << friends << wsp << days << rt; } int main() { // cin.tie(0); // ios::sync_with_stdio(false); #ifdef DEBUG cout << "DEBUG MODE" << endl; ifstream in("input.txt"); //for debug cin.rdbuf(in.rdbuf()); //for debug #endif int n, m, q, a, b, c; cin >> n >> m; VVI connect(n); rep(i, m) { cin >> a >> b; a--, b--; connect[a].emplace_back(b); connect[b].emplace_back(a); } cin >> q; rep(i, q) { cin >> c; djkstra(n, c - 1, connect); } return 0; }