結果
問題 | No.2293 無向辺 2-SAT |
ユーザー | Ecrade_ |
提出日時 | 2023-05-05 22:36:11 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 123 ms / 4,000 ms |
コード長 | 1,631 bytes |
コンパイル時間 | 2,696 ms |
コンパイル使用メモリ | 168,972 KB |
実行使用メモリ | 75,964 KB |
最終ジャッジ日時 | 2023-08-15 05:20:20 |
合計ジャッジ時間 | 12,225 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge12 |
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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
5,596 KB |
testcase_01 | AC | 5 ms
9,696 KB |
testcase_02 | AC | 2 ms
5,536 KB |
testcase_03 | AC | 123 ms
75,964 KB |
testcase_04 | AC | 55 ms
9,780 KB |
testcase_05 | AC | 50 ms
7,420 KB |
testcase_06 | AC | 49 ms
7,164 KB |
testcase_07 | AC | 26 ms
9,816 KB |
testcase_08 | AC | 53 ms
9,684 KB |
testcase_09 | AC | 46 ms
9,800 KB |
testcase_10 | AC | 47 ms
9,680 KB |
testcase_11 | AC | 55 ms
9,788 KB |
testcase_12 | AC | 53 ms
9,716 KB |
testcase_13 | AC | 41 ms
5,648 KB |
testcase_14 | AC | 40 ms
5,720 KB |
testcase_15 | AC | 38 ms
5,596 KB |
testcase_16 | AC | 54 ms
10,000 KB |
testcase_17 | AC | 57 ms
10,360 KB |
testcase_18 | AC | 54 ms
9,720 KB |
testcase_19 | AC | 27 ms
7,356 KB |
testcase_20 | AC | 59 ms
9,728 KB |
testcase_21 | AC | 58 ms
9,668 KB |
testcase_22 | AC | 67 ms
10,272 KB |
testcase_23 | AC | 64 ms
10,216 KB |
testcase_24 | AC | 63 ms
10,388 KB |
testcase_25 | AC | 63 ms
10,256 KB |
testcase_26 | AC | 61 ms
10,316 KB |
testcase_27 | AC | 62 ms
10,204 KB |
testcase_28 | AC | 61 ms
10,208 KB |
testcase_29 | AC | 62 ms
10,268 KB |
testcase_30 | AC | 62 ms
10,212 KB |
testcase_31 | AC | 62 ms
10,268 KB |
testcase_32 | AC | 51 ms
9,636 KB |
testcase_33 | AC | 51 ms
9,632 KB |
testcase_34 | AC | 51 ms
9,624 KB |
testcase_35 | AC | 51 ms
9,876 KB |
testcase_36 | AC | 51 ms
9,620 KB |
testcase_37 | AC | 51 ms
9,688 KB |
testcase_38 | AC | 50 ms
9,632 KB |
testcase_39 | AC | 51 ms
9,624 KB |
testcase_40 | AC | 52 ms
9,836 KB |
testcase_41 | AC | 41 ms
9,876 KB |
testcase_42 | AC | 46 ms
9,844 KB |
testcase_43 | AC | 51 ms
9,748 KB |
testcase_44 | AC | 61 ms
9,628 KB |
testcase_45 | AC | 57 ms
9,636 KB |
testcase_46 | AC | 60 ms
9,864 KB |
testcase_47 | AC | 59 ms
9,740 KB |
testcase_48 | AC | 58 ms
9,712 KB |
testcase_49 | AC | 70 ms
9,748 KB |
testcase_50 | AC | 63 ms
9,740 KB |
testcase_51 | AC | 61 ms
9,876 KB |
testcase_52 | AC | 61 ms
9,964 KB |
testcase_53 | AC | 63 ms
10,272 KB |
testcase_54 | AC | 66 ms
11,364 KB |
testcase_55 | AC | 66 ms
15,276 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; typedef long long ll; const ll mod = 998244353; ll t = 1,n,m,k,q,l,r,a,b,c,u,v,x,y,z,sz,cnt,o,fl,pw[400009],id[400009]; string s; struct st{ll x,y; /*bool operator < (const st &a) const{return x < a.x;};*/}; vector <st> del; bool cmp(const st &a,const st &b){return a.x < b.x;} inline ll read(){ ll s = 0,w = 1; char ch = getchar(); while (ch > '9' || ch < '0'){ if (ch == '-') w = -1; ch = getchar();} while (ch <= '9' && ch >= '0') s = (s << 1) + (s << 3) + (ch ^ 48),ch = getchar(); return s * w; } ll qp(ll x,ll y){ ll a = 1,b = x; while (y){ if (y & 1) a = a * b % mod; b = b * b % mod,y >>= 1; } return a; } ll find(ll x){ if (x == id[x]) return x; ll qwq = find(id[x]); del.emplace_back((st){x,id[x]}),id[x] = qwq; return qwq; } void merge(ll x,ll y){ ll qwq = find(x),awa = find(y); if (qwq == awa) return; sz -= 1; del.emplace_back((st){qwq,id[qwq]}),id[qwq] = awa; if (x > n) x -= n; if (y > n) y -= n; if (find(x) == find(x + n)) fl = 1; if (find(y) == find(y + n)) fl = 1; } void clear(){ while (del.size()) id[del.back().x] = del.back().y,del.pop_back(); sz = 2 * n,fl = 0; } int main(){//t = read(); while (t --){ pw[0] = 1; n = read(),q = read(),sz = 2 * n; for (ll i = 1;i <= n;i += 1) pw[i] = (pw[i - 1] << 1) % mod; for (ll i = 1;i <= 2 * n;i += 1) id[i] = i; for (ll i = 1;i <= q;i += 1){ o = read(); if (o == 1) x = read(),y = read(),merge(x,y),merge(x + n,y + n); if (o == 2) x = read(),y = read(),merge(x,y + n),merge(x + n,y); if (o == 3) clear(); if (fl) puts("0"); else printf("%lld\n",pw[sz >> 1]); } } return 0; }