結果
問題 | No.1265 Balloon Survival |
ユーザー | nok0 |
提出日時 | 2020-09-12 09:44:46 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 54 ms / 2,000 ms |
コード長 | 5,673 bytes |
コンパイル時間 | 2,805 ms |
コンパイル使用メモリ | 211,152 KB |
実行使用メモリ | 17,240 KB |
最終ジャッジ日時 | 2024-06-10 00:50:22 |
合計ジャッジ時間 | 3,740 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,944 KB |
testcase_12 | AC | 1 ms
6,944 KB |
testcase_13 | AC | 1 ms
6,940 KB |
testcase_14 | AC | 9 ms
6,940 KB |
testcase_15 | AC | 7 ms
6,944 KB |
testcase_16 | AC | 3 ms
6,944 KB |
testcase_17 | AC | 32 ms
16,692 KB |
testcase_18 | AC | 4 ms
6,944 KB |
testcase_19 | AC | 3 ms
6,944 KB |
testcase_20 | AC | 8 ms
6,940 KB |
testcase_21 | AC | 14 ms
6,940 KB |
testcase_22 | AC | 10 ms
7,148 KB |
testcase_23 | AC | 10 ms
6,948 KB |
testcase_24 | AC | 54 ms
17,240 KB |
testcase_25 | AC | 53 ms
16,100 KB |
testcase_26 | AC | 51 ms
16,152 KB |
testcase_27 | AC | 52 ms
15,820 KB |
testcase_28 | AC | 51 ms
16,412 KB |
testcase_29 | AC | 51 ms
16,108 KB |
testcase_30 | AC | 52 ms
16,376 KB |
testcase_31 | AC | 51 ms
15,792 KB |
testcase_32 | AC | 52 ms
16,840 KB |
testcase_33 | AC | 53 ms
16,264 KB |
testcase_34 | AC | 2 ms
6,940 KB |
testcase_35 | AC | 2 ms
6,944 KB |
ソースコード
/** * author: nok0 * created: 2020.09.11 23:10:52 **/ #ifdef LOCAL #define _GLIBCXX_DEBUG #endif #include<bits/stdc++.h> using namespace std; #pragma region Macros #define ll long long #define ld long double #define FOR(i,l,r) for(int i=(l);i<(r);++i) #define REP(i,n) FOR(i,0,n) #define REPS(i,n) FOR(i,1,n+1) #define RFOR(i,l,r) for(int i=(l);i>=(r);--i) #define RREP(i,n) RFOR(i,n-1,0) #define RREPS(i,n) RFOR(i,n,1) #define pb push_back #define eb emplace_back #define SZ(x) ((int)(x).size()) #define all(x) (x).begin(),(x).end() #define rall(x) (x).rbegin(),(x).rend() template<class T = int> using V = vector<T>; template<class T = int> using VV = V<V<T>>; using pii = pair<int, int>; using pll = pair<ll, ll>; #define VEC(type, name, size)\ V<type> name(size);\ IN(name) #define VVEC(type, name, h, w)\ VV<type> name(h, V<type>(w));\ IN(name) #define INT(...)\ int __VA_ARGS__;\ IN(__VA_ARGS__) #define LL(...)\ ll __VA_ARGS__;\ IN(__VA_ARGS__) #define STR(...)\ string __VA_ARGS__;\ IN(__VA_ARGS__) #define CHAR(...)\ char __VA_ARGS__;\ IN(__VA_ARGS__) #define DOUBLE(...)\ DOUBLE __VA_ARGS__;\ IN(__VA_ARGS__) #define LD(...)\ LD __VA_ARGS__;\ IN(__VA_ARGS__) template <class T> void scan(T a) { cin >> a; } void scan(int &a) { cin >> a; } void scan(long long &a) { cin >> a; } void scan(char &a) { cin >> a; } void scan(double &a) { cin >> a; } void scan(long double &a) { cin >> a; } void scan(char a[]) { scanf("%s", a); } void scan(string &a) { cin >> a; } template <class T> void scan(V<T> &); template <class T, class L> void scan(pair<T, L> &); template <class T> void scan(V<T> &a) { for(auto &i : a) scan(i); } template <class T, class L> void scan(pair<T, L> &p){ scan(p.first); scan(p.second); } template <class T> void scan(T &a) { cin >> a; } void IN() {} template <class Head, class... Tail> void IN(Head &head, Tail &... tail) { scan(head); IN(tail...); } template <class T> inline void print(T x){ cout << x << '\n';} template <typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p){ is >> p.first >> p.second; return is; } template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p){ os << p.first << " " << p.second; return os; } template <class T> ostream &operator<<(ostream &os, const V<T> &v){ REP(i, SZ(v)){ if(i) os << " "; os << v[i]; } return os; } //debug template <typename T> void view(const V<T> &v){ cerr << "{ "; for(const auto &e : v){ cerr << e << ", "; } cerr << "\b\b }"; } template <typename T> void view(const VV<T> &vv){ cerr << "{\n"; for(const auto &v : vv){ cerr << "\t"; view(v); cerr << "\n"; } cerr << "}"; } template <typename T, typename U> void view(const V<pair<T, U>> &v){ cerr << "{\n"; for(const auto &c : v) cerr << "\t(" << c.first << ", " << c.second << ")\n"; cerr << "}"; } template <typename T, typename U> void view(const map<T, U> &m){ cerr << "{\n"; for(auto &t : m) cerr << "\t[" << t.first << "] : " << t.second << "\n"; cerr << "}"; } template <typename T, typename U> void view(const pair<T, U> &p){ cerr << "(" << p.first << ", " << p.second << ")";} template <typename T> void view(const set<T> &s) { cerr << "{ "; for(auto &t : s) { view(t); cerr << ", "; } cerr << "\b\b }"; } template <typename T> void view(T e) { cerr << e;} #ifdef LOCAL void debug_out() {} template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { view(H); cerr << ", "; debug_out(T...); } #define debug(...) \ do{ \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "] : ["; \ debug_out(__VA_ARGS__); \ cerr << "\b\b]\n"; \ } while(0) #else #define debug(...) (void(0)) #endif template <class T> V<T> press(V<T> &x){ V<T> res = x; sort(all(res)); res.erase(unique(all(res)), res.end()); REP(i, SZ(x)){ x[i] = lower_bound(all(res), x[i]) - res.begin(); } return res; } template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b; return true; }return false; } template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b; return true; }return false; } inline void Yes(bool b = true) {cout << (b ? "Yes" : "No") << '\n';} inline void YES(bool b = true) {cout << (b ? "YES" : "NO") << '\n';} inline void err(bool b = true) {if(b) {cout << -1 << '\n'; exit(0);}} template<class T> inline void fin(bool b = true, T e = 0) {if(b) {cout << e << '\n'; exit(0);}} template<class T> T divup(T x, T y) {return (x+(y-1))/y;} template <typename T> T pow(T a, long long n, T e = 1) {T ret = e; while (n) {if (n & 1) ret *= a; a *= a; n >>= 1; } return ret; } struct iofast{iofast(){ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15);}}iofast_; const int inf = 1e9; const ll INF = 1e18; #pragma endregion struct Edge{ ll from, to, cost; Edge(ll from, ll to,ll cost):from(from), to(to), cost(cost){} bool operator < (const Edge& a) const{ return cost < a.cost; } }; using Edges = vector<Edge>; ll res; int main(){ INT(n); V<pll> vec(n); REP(i, n){ INT(x, y); vec[i] = {x, y}; } Edges E; REP(i, n - 1) for(int j = i + 1; j < n; j++){ auto [x0, y0] = vec[i]; auto [x1, y1] = vec[j]; ll cost = (x0 - x1) * (x0 - x1) + (y0 - y1) * (y0 - y1); E.eb(i, j, cost); } sort(all(E)); V<> used(n, 0); REP(i, SZ(E)){ auto [u, v, ignored] = E[i]; if(u > v) swap(u, v); if(used[u] and used[v]) continue; if(u != 0 and used[u] == 0 and used[v] == 0){ used[u] = used[v] = 1; continue; } if(u == 0 and used[v] == 0){ used[v] = 1; res++; } } print(res); }