提出 #68755417
ソースコード 拡げる
#include <bits/stdc++.h>
#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
const int maxn=2e5+5;
int s[maxn];
bitset<maxn> col;
int scol[maxn];
int find(int d)
{
if (s[d]!=d)
s[d]=find(s[d]);
return s[d];
}
void hebing(int x,int y)
{
x=find(x);
y=find(y);
if (x!=y)
{
scol[y]+=scol[x];
s[x]=y;
}
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int n,q;
cin>>n>>q;
for (int i=1;i<=n;i++)
s[i]=i;
while (q--)
{
int op,x,y;
cin>>op>>x;
if (op==1)
{
cin>>y;
hebing(y,x);
}
else if (op==2)
{
if (col[x])
scol[find(x)]--;
else
scol[find(x)]++;
col[x]=1-col[x];
}
else
{
if (scol[find(x)])
cout<<"Yes\n";
else
cout<<"No\n";
}
}
}
提出情報
| 提出日時 | |
|---|---|
| 問題 | E - Reachability Query |
| ユーザ | Alliy666 |
| 言語 | C++ 23 (gcc 12.2) |
| 得点 | 450 |
| コード長 | 1097 Byte |
| 結果 | AC |
| 実行時間 | 95 ms |
| メモリ | 5200 KiB |
ジャッジ結果
| セット名 | Sample | All | ||||
|---|---|---|---|---|---|---|
| 得点 / 配点 | 0 / 0 | 450 / 450 | ||||
| 結果 |
|
|
| セット名 | テストケース |
|---|---|
| Sample | sample_01.txt |
| All | sample_01.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt, test_32.txt, test_33.txt, test_34.txt, test_35.txt, test_36.txt, test_37.txt, test_38.txt, test_39.txt, test_40.txt, test_41.txt, test_42.txt, test_43.txt, test_44.txt, test_45.txt, test_46.txt, test_47.txt, test_48.txt, test_49.txt, test_50.txt, test_51.txt, test_52.txt, test_53.txt, test_54.txt, test_55.txt, test_56.txt, test_57.txt, test_58.txt, test_59.txt, test_60.txt, test_61.txt, test_62.txt, test_63.txt, test_64.txt, test_65.txt, test_66.txt, test_67.txt, test_68.txt, test_69.txt, test_70.txt, test_71.txt, test_72.txt, test_73.txt, test_74.txt, test_75.txt, test_76.txt, test_77.txt, test_78.txt, test_79.txt, test_80.txt, test_81.txt, test_82.txt, test_83.txt, test_84.txt |
| ケース名 | 結果 | 実行時間 | メモリ |
|---|---|---|---|
| sample_01.txt | AC | 1 ms | 3480 KiB |
| test_01.txt | AC | 1 ms | 3472 KiB |
| test_02.txt | AC | 1 ms | 3420 KiB |
| test_03.txt | AC | 42 ms | 3464 KiB |
| test_04.txt | AC | 43 ms | 3428 KiB |
| test_05.txt | AC | 39 ms | 3488 KiB |
| test_06.txt | AC | 54 ms | 3372 KiB |
| test_07.txt | AC | 52 ms | 3496 KiB |
| test_08.txt | AC | 56 ms | 3500 KiB |
| test_09.txt | AC | 47 ms | 3444 KiB |
| test_10.txt | AC | 54 ms | 3368 KiB |
| test_11.txt | AC | 51 ms | 3368 KiB |
| test_12.txt | AC | 49 ms | 3492 KiB |
| test_13.txt | AC | 47 ms | 3424 KiB |
| test_14.txt | AC | 54 ms | 3632 KiB |
| test_15.txt | AC | 58 ms | 3416 KiB |
| test_16.txt | AC | 47 ms | 3500 KiB |
| test_17.txt | AC | 49 ms | 3376 KiB |
| test_18.txt | AC | 53 ms | 3500 KiB |
| test_19.txt | AC | 56 ms | 3564 KiB |
| test_20.txt | AC | 45 ms | 3424 KiB |
| test_21.txt | AC | 78 ms | 5132 KiB |
| test_22.txt | AC | 78 ms | 5064 KiB |
| test_23.txt | AC | 83 ms | 5064 KiB |
| test_24.txt | AC | 79 ms | 5016 KiB |
| test_25.txt | AC | 79 ms | 5064 KiB |
| test_26.txt | AC | 82 ms | 5072 KiB |
| test_27.txt | AC | 83 ms | 5136 KiB |
| test_28.txt | AC | 78 ms | 5068 KiB |
| test_29.txt | AC | 80 ms | 5064 KiB |
| test_30.txt | AC | 81 ms | 5008 KiB |
| test_31.txt | AC | 80 ms | 5072 KiB |
| test_32.txt | AC | 79 ms | 4940 KiB |
| test_33.txt | AC | 79 ms | 5064 KiB |
| test_34.txt | AC | 77 ms | 5132 KiB |
| test_35.txt | AC | 80 ms | 5012 KiB |
| test_36.txt | AC | 77 ms | 5200 KiB |
| test_37.txt | AC | 82 ms | 5008 KiB |
| test_38.txt | AC | 79 ms | 5056 KiB |
| test_39.txt | AC | 82 ms | 5008 KiB |
| test_40.txt | AC | 73 ms | 5072 KiB |
| test_41.txt | AC | 78 ms | 5076 KiB |
| test_42.txt | AC | 79 ms | 4988 KiB |
| test_43.txt | AC | 82 ms | 5060 KiB |
| test_44.txt | AC | 83 ms | 5056 KiB |
| test_45.txt | AC | 81 ms | 5008 KiB |
| test_46.txt | AC | 80 ms | 5072 KiB |
| test_47.txt | AC | 78 ms | 5008 KiB |
| test_48.txt | AC | 79 ms | 5132 KiB |
| test_49.txt | AC | 78 ms | 5064 KiB |
| test_50.txt | AC | 80 ms | 5192 KiB |
| test_51.txt | AC | 76 ms | 5064 KiB |
| test_52.txt | AC | 83 ms | 5072 KiB |
| test_53.txt | AC | 88 ms | 5064 KiB |
| test_54.txt | AC | 87 ms | 5072 KiB |
| test_55.txt | AC | 90 ms | 5200 KiB |
| test_56.txt | AC | 89 ms | 5068 KiB |
| test_57.txt | AC | 81 ms | 5060 KiB |
| test_58.txt | AC | 81 ms | 5132 KiB |
| test_59.txt | AC | 93 ms | 5144 KiB |
| test_60.txt | AC | 88 ms | 5152 KiB |
| test_61.txt | AC | 60 ms | 5072 KiB |
| test_62.txt | AC | 68 ms | 5072 KiB |
| test_63.txt | AC | 64 ms | 5064 KiB |
| test_64.txt | AC | 64 ms | 5064 KiB |
| test_65.txt | AC | 61 ms | 5072 KiB |
| test_66.txt | AC | 66 ms | 5132 KiB |
| test_67.txt | AC | 68 ms | 5072 KiB |
| test_68.txt | AC | 67 ms | 5064 KiB |
| test_69.txt | AC | 70 ms | 3772 KiB |
| test_70.txt | AC | 82 ms | 4356 KiB |
| test_71.txt | AC | 66 ms | 3808 KiB |
| test_72.txt | AC | 85 ms | 4896 KiB |
| test_73.txt | AC | 81 ms | 4388 KiB |
| test_74.txt | AC | 74 ms | 4632 KiB |
| test_75.txt | AC | 77 ms | 4264 KiB |
| test_76.txt | AC | 52 ms | 4124 KiB |
| test_77.txt | AC | 95 ms | 5012 KiB |
| test_78.txt | AC | 89 ms | 5020 KiB |
| test_79.txt | AC | 91 ms | 5052 KiB |
| test_80.txt | AC | 91 ms | 5068 KiB |
| test_81.txt | AC | 95 ms | 5072 KiB |
| test_82.txt | AC | 94 ms | 5072 KiB |
| test_83.txt | AC | 95 ms | 5060 KiB |
| test_84.txt | AC | 88 ms | 5060 KiB |