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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 |
---|---|---|---|---|---|---|---|---|---|
#781215 | #9810. Obliviate, Then Reincarnate | A_J1e# | WA | 2ms | 7948kb | C++23 | 1.6kb | 2024-11-25 15:16:40 | 2024-11-25 15:16:40 |
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 15:16:40]
- Submitted
answer
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
using i32 = int;
using i64 = long long;
using i128=__int128;
const int N = 5e5 + 10;
#define endl "\n"
bool ok[N];
int n, m , q;
vector<int > e[N];
vector<int > e2[N];
int du[N];
int du2[N];
void topu()
{
queue<int > q;
vector<bool > st(n + 10);
for(int i = 0 ; i < n ; i++)
if(du[i] == 0) q.push(i) , st[i] = 1;
while(!q.empty())
{
int tmp = q.front();
q.pop();
for(int v : e[tmp])
{
du[v]--;
if(du[v] == 0)
st[v] = 1 ,q.push(v);
}
}
for(int i = 0 ; i < n ; i++)
if((!st[i]) && du2[i]) ok[i] = 1;
for(int i = 0 ; i < n ; i++)
if(ok[i])
q.push(i);
while(!q.empty())
{
int tmp = q.front();
q.pop();
for(int v : e2[tmp])
if(!ok[v])
ok[v] = 1, q.push(v);
}
}
void solve()
{
cin >> n >> m >> q;
for(int i = 1 ; i <= m ; i++)
{
int a, b;
cin >> a >> b;
a = ((a % n) + n) % n;
if(b != 0) du2[a]++;
b = (a + b) % n;
e[a].push_back(b);
du[b]++;
e2[b].push_back(a);
}
topu();
while(q--)
{
int tmp;
cin >> tmp;
tmp = ((tmp % n) + n) % n;
if(ok[tmp])
cout << "Yes" << endl;
else
cout << "No" << endl;
}
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
i32 t=1;
while(t--) solve();
}
详细
Test #1:
score: 100
Accepted
time: 2ms
memory: 5668kb
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: 5616kb
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: 1ms
memory: 3636kb
input:
1 1 1 0 1000000000 -1000000000
output:
Yes
result:
ok "Yes"
Test #4:
score: -100
Wrong Answer
time: 2ms
memory: 7948kb
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'