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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#780686 | #9810. Obliviate, Then Reincarnate | hhhyh# | WA | 0ms | 3632kb | C++23 | 1.0kb | 2024-11-25 12:24:40 | 2024-11-25 12:24:41 |
Judging History
This is the latest submission verdict.
- [2024-11-26 23:19:26]
- hack成功,自动添加数据
- (/hack/1260)
- [2024-11-25 12:24:40]
- Submitted
answer
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
#define all(x) x.begin(), x.end()
void solve()
{
int n, m, q;
cin >> n >> m >> q;
vector<int> f(n), cyc(n);
iota(all(f), 0ll);
auto find = [&](auto find, int x) -> int
{
return f[x] == x ? f[x] : f[x] = find(find, f[x]);
};
for (int i = 0; i < m; i++)
{
int a, b;
cin >> a >> b;
a = (a % n + n) % n;
if(b==0)continue;
b = (b % n + n) % n;
b = (b + a) % n;
a = find(find, a), b = find(find, b);
if (a == b)
cyc[a] = 1;
f[a] = b;
}
for (int i = 0; i < q; i++)
{
int x;
cin >> x;
x = (x % n + n) % n;
if (cyc[find(find, x)])
cout << "Yes\n";
else
cout << "No\n";
}
}
signed main()
{
std::ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
int T = 1;
while (T--)
solve();
}
/*
3 2 3
1 1
-1 0
1
2
3
*/
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3556kb
input:
3 2 3 1 1 -1 3 1 2 3
output:
Yes Yes No
result:
ok 3 tokens
Test #2:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
3 2 3 1 1 -1 0 1 2 3
output:
No No No
result:
ok 3 tokens
Test #3:
score: 0
Accepted
time: 0ms
memory: 3500kb
input:
1 1 1 0 1000000000 -1000000000
output:
Yes
result:
ok "Yes"
Test #4:
score: -100
Wrong Answer
time: 0ms
memory: 3632kb
input:
3 2 3 0 1000000000 1 -1000000000 -1000000000 0 -1000000000
output:
No Yes No
result:
wrong answer 2nd words differ - expected: 'No', found: 'Yes'