結果
問題 | No.1610 She Loves Me, She Loves Me Not, ... |
ユーザー | tassei903 |
提出日時 | 2021-07-21 21:29:34 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,103 bytes |
コンパイル時間 | 2,157 ms |
コンパイル使用メモリ | 204,320 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-17 16:09:48 |
合計ジャッジ時間 | 3,120 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
6,812 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | WA | - |
testcase_06 | AC | 3 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | WA | - |
testcase_10 | AC | 3 ms
6,944 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | WA | - |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | WA | - |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | WA | - |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | WA | - |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,948 KB |
testcase_31 | AC | 2 ms
6,948 KB |
testcase_32 | AC | 2 ms
6,944 KB |
testcase_33 | AC | 2 ms
6,944 KB |
testcase_34 | AC | 2 ms
6,940 KB |
testcase_35 | AC | 2 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> #define fi first #define se second #define rep(i,n) for(int i = 0; i < (n); ++i) #define rrep(i,n) for(int i = 1; i <= (n); ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) #define srep(i,s,t) for (int i = s; i < t; ++i) #define rng(a) a.begin(),a.end() #define maxs(x,y) (x = max(x,y)) #define mins(x,y) (x = min(x,y)) #define limit(x,l,r) max(l,min(x,r)) #define lims(x,l,r) (x = max(l,min(x,r))) #define isin(x,l,r) ((l) <= (x) && (x) < (r)) #define pb push_back #define sz(x) (int)(x).size() #define pcnt __builtin_popcountll #define uni(x) x.erase(unique(rng(x)),x.end()) #define snuke srand((unsigned)clock()+(unsigned)time(NULL)); #define show(x) cout<<#x<<" = "<<x<<endl; #define PQ(T) priority_queue<T,v(T),greater<T> > #define bn(x) ((1<<x)-1) #define dup(x,y) (((x)+(y)-1)/(y)) #define newline puts("") #define v(T) vector<T> #define vv(T) v(v(T)) using namespace std; typedef long long int ll; typedef unsigned uint; typedef unsigned long long ull; typedef pair<int,int> P; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<P> vp; inline int in() { int x; scanf("%d",&x); return x;} template<typename T>inline istream& operator>>(istream&i,v(T)&v) {rep(j,sz(v))i>>v[j];return i;} template<typename T>string join(const v(T)&v) {stringstream s;rep(i,sz(v))s<<' '<<v[i];return s.str().substr(1);} template<typename T>inline ostream& operator<<(ostream&o,const v(T)&v) {if(sz(v))o<<join(v);return o;} template<typename T1,typename T2>inline istream& operator>>(istream&i,pair<T1,T2>&v) {return i>>v.fi>>v.se;} template<typename T1,typename T2>inline ostream& operator<<(ostream&o,const pair<T1,T2>&v) {return o<<v.fi<<","<<v.se;} template<typename T>inline ll suma(const v(T)& a) { ll res(0); for (auto&& x : a) res += x; return res;} const double eps = 1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; #define dame { puts("-1"); return 0;} #define yn {puts("YES");}else{puts("NO");} template <typename SF> bool chmin(SF &a, const SF &b){if(a>b){a = b; return true;} return false;} template <typename SG> bool chmax(SG &a, const SG &b){if(a<b){a = b; return true;} return false;} struct UnionFind { vector< int > data; UnionFind(int sz) { data.assign(sz, -1); } bool unite(int x, int y) { x = find(x), y = find(y); if(x == y) return(false); if(data[x] > data[y]) swap(x, y); data[x] += data[y]; data[y] = x; return(true); } int find(int k) { if(data[k] < 0) return(k); return(data[k] = find(data[k])); } int size(int k) { return(-data[find(k)]); } bool same(int x, int y){ return find(x)==find(y); } }; int main() { int n, m;cin >> n >> m; UnionFind uf(n); rep(i, m){ int a,b;cin >> a >> b;a--;b--; if (uf.same(a,b)){ cout << "No" << endl; return 0; } uf.unite(a, b); } int ans = 0; rep(i, n){ if (uf.find(i)!=i)continue; ans+=uf.size(i)-1; } if (ans%2) cout << "Yes" << endl; else cout << "No" << endl; }