結果
問題 | No.1293 2種類の道路 |
ユーザー | t98slider |
提出日時 | 2021-11-30 05:41:41 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 106 ms / 2,000 ms |
コード長 | 5,839 bytes |
コンパイル時間 | 2,300 ms |
コンパイル使用メモリ | 191,620 KB |
実行使用メモリ | 20,272 KB |
最終ジャッジ日時 | 2024-07-02 20:09:51 |
合計ジャッジ時間 | 4,997 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 89 ms
16,180 KB |
testcase_10 | AC | 90 ms
16,308 KB |
testcase_11 | AC | 106 ms
16,180 KB |
testcase_12 | AC | 90 ms
16,048 KB |
testcase_13 | AC | 93 ms
16,308 KB |
testcase_14 | AC | 105 ms
20,272 KB |
testcase_15 | AC | 104 ms
19,896 KB |
testcase_16 | AC | 88 ms
17,392 KB |
testcase_17 | AC | 105 ms
18,164 KB |
testcase_18 | AC | 73 ms
18,840 KB |
testcase_19 | AC | 79 ms
18,344 KB |
testcase_20 | AC | 78 ms
18,360 KB |
testcase_21 | AC | 38 ms
5,376 KB |
testcase_22 | AC | 37 ms
5,376 KB |
testcase_23 | AC | 39 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h>#define all(v) v.begin(), v.end()#define rall(v) v.rbegin(), v.rend()#define rep(i,n) for(int i=0;i<(int)(n);i++)#define drep(i,j,n) for(int i=0;i<(int)(n-1);i++)for(int j=i+1;j<(int)(n);j++)#define trep(i,j,k,n) for(int i=0;i<(int)(n-2);i++)for(int j=i+1;j<(int)(n-1);j++)for(int k=j+1;k<(int)(n);k++)#define codefor int test;scanf("%d",&test);while(test--)#define INT(...) int __VA_ARGS__;in(__VA_ARGS__)#define LL(...) ll __VA_ARGS__;in(__VA_ARGS__)#define yes(ans) if(ans)printf("yes\n");else printf("no\n")#define Yes(ans) if(ans)printf("Yes\n");else printf("No\n")#define YES(ans) if(ans)printf("YES\n");else printf("NO\n")#define popcount(v) __builtin_popcount(v)#define vector2d(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__))#define vector3d(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__)))using namespace std;using ll = long long;template<class T> using rpriority_queue = priority_queue<T, vector<T>, greater<T>>;const int MOD=1000000007;const int MOD2=998244353;const int INF=1<<30;const ll INF2=1LL<<60;void scan(int& a){scanf("%d",&a);}void scan(long long& a){scanf("%lld",&a);}template<class T,class L>void scan(pair<T, L>& p){scan(p.first);scan(p.second);}template<class T,class U,class V>void scan(tuple<T,U,V>& p){scan(get<0>(p));scan(get<1>(p));scan(get<2>(p));}template<class T, size_t size> void scan(array<T, size>& a){ for(auto&& i : a) scan(i);}template<class T> void scan(T& a){cin>>a;}template<class T> void scan(vector<T>& vec){for(auto&& it:vec)scan(it);}void in(){}template <class Head, class... Tail> void in(Head& head, Tail&... tail){scan(head);in(tail...);}void print(const int& a){printf("%d",a);}void print(const long long& a){printf("%lld",a);}void print(const double& a){printf("%.15lf",a);}template<class T,class L>void print(const pair<T, L>& p){print(p.first);putchar(' ');print(p.second);}template<class T> void print(const T& a){cout<<a;}template<class T> void print(const vector<T>& vec){if(vec.empty())return;print(vec[0]);for(auto it=vec.begin();++it!= vec.end();){putchar(' ');print(*it);}}void out(){putchar('\n');}template<class T> void out(const T& t){print(t);putchar('\n');}template <class Head, class... Tail> void out(const Head& head,const Tail&... tail){print(head);putchar(' ');out(tail...);}template<class T> void dprint(const T& a){cerr<<a;}template<class T> void dprint(const vector<T>& vec){if(vec.empty())return;cerr<<vec[0];for(auto it=vec.begin();++it!= vec.end();){cerr<<" "<<*it;}}void debug(){cerr<<endl;}template<class T> void debug(const T& t){dprint(t);cerr<<endl;}template <class Head, class... Tail> void debug(const Head& head, const Tail&... tail){dprint(head);cerr<<" ";debug(tail...);}ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; }ll modpow(ll a, ll b, ll p){ ll ans = 1; while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; }ll modinv(ll a, ll m) {ll b = m, u = 1, v = 0;while (b) {ll t = a / b;a -= t * b; swap(a, b);u -= t * v; swap(u, v);}u %= m;if (u < 0) u += m;returnu;}ll updivide(ll a,ll b){return (a+b-1)/b;}template<class T> void chmax(T &a,const T b){if(b>a)a=b;}template<class T> void chmin(T &a,const T b){if(b<a)a=b;}struct dsu {public:dsu() : _n(0) {}dsu(int n) : _n(n), parent_or_size(n, -1) {}int merge(int a, int b) {assert(0 <= a && a < _n);assert(0 <= b && b < _n);int x = leader(a), y = leader(b);if (x == y) return x;if (-parent_or_size[x] < -parent_or_size[y]) std::swap(x, y);parent_or_size[x] += parent_or_size[y];parent_or_size[y] = x;return x;}bool same(int a, int b) {assert(0 <= a && a < _n);assert(0 <= b && b < _n);return leader(a) == leader(b);}int leader(int a) {assert(0 <= a && a < _n);if (parent_or_size[a] < 0) return a;return parent_or_size[a] = leader(parent_or_size[a]);}int size(int a) {assert(0 <= a && a < _n);return -parent_or_size[leader(a)];}std::vector<std::vector<int>> groups() {std::vector<int> leader_buf(_n), group_size(_n);for (int i = 0; i < _n; i++) {leader_buf[i] = leader(i);group_size[leader_buf[i]]++;}std::vector<std::vector<int>> result(_n);for (int i = 0; i < _n; i++) {result[i].reserve(group_size[i]);}for (int i = 0; i < _n; i++) {result[leader_buf[i]].push_back(i);}result.erase(std::remove_if(result.begin(), result.end(),[&](const std::vector<int>& v) { return v.empty(); }),result.end());return result;}private:int _n;// root node: -1 * component size// otherwise: parentstd::vector<int> parent_or_size;};int main(){INT(N,D,W);dsu uf1(N),uf2(N);int u,v;rep(i,D){in(u,v);uf1.merge(--u,--v);}rep(i,W){in(u,v);uf2.merge(--u,--v);}auto G=uf1.groups();ll ans=0;set<int> S;for(auto vec:G){ans+=vec.size()*(vec.size()-1);map<int,ll> mp;ll cnt=0;for(auto v:vec){S.insert(v);if(!mp.count(uf2.leader(v)))mp[uf2.leader(v)]+=uf2.size(v);mp[uf2.leader(v)]--;}for(auto p:mp){cnt+=p.second;//ans+=p.second*(uf2.size(p.first)-p.second);}ans+=cnt*vec.size();}auto G2=uf2.groups();for(auto vec:G2){ll cnt=0;for(auto v:vec)cnt+=(!S.count(v));ans+=cnt*(cnt-1);}out(ans);}