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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#159030 | #7107. Chaleur | ucup-team859# | AC ✓ | 134ms | 16208kb | C++14 | 1.9kb | 2023-09-02 17:21:18 | 2023-09-02 17:21:19 |
Judging History
answer
#include <bits/stdc++.h>
#define lsb(x) (x & (-x))
using ull = unsigned long long;
using ll = long long;
using namespace std;
const int NMAX = 1e5 + 1;
vector<int> v[NMAX];
void solve() {
int n, m;
cin >> n >> m;
for (int i = 1; i <= n; ++i)
v[i].clear();
for (int i = 1; i <= m; ++i) {
int x, y;
cin >> x >> y;
v[x].push_back(y);
v[y].push_back(x);
}
int mx = 0, wh = 1;
for (int i = 1; i <= n; ++i) {
if ((int)v[i].size() > mx)
mx = v[i].size(), wh = i;
}
vector<int> pot(n + 1, 0);
int nr = 1;
priority_queue<pair<int, int>> pq;
for (auto it : v[wh]) {
pot[it] = nr;
pq.push({v[it].size(), it});
}
vector<int> c;
c.push_back(wh);
while (!pq.empty()) {
int nod = pq.top().second;
pq.pop();
if (pot[nod] != nr)
continue;
++nr;
c.push_back(nod);
for (auto it : v[nod]) {
if (pot[it] == nr - 1)
pot[it] = nr;
}
}
vector<int> inc(n + 1, 0);
int sx = 0;
int a1 = 0;
for (auto nod : c) {
sx ^= nod;
inc[nod] = 1;
if (v[nod].size() == c.size() - 1)
++a1;
}
if (a1 > 1) {
cout << 1 << " " << a1 << '\n';
return;
}
if (a1 == 0) {
a1 = 1;
for (auto nod : c) {
if (v[nod].size() == c.size())
++a1;
}
}
int a2 = 1;
for (int i = 1; i <= n; ++i) {
if (inc[i])
continue;
int cnt = 0;
int mis = sx;
for (auto it : v[i]) {
if (inc[it]) {
++cnt;
mis ^= it;
}
}
if (cnt == c.size() - 1) {
++a2;
}
}
cout << a2 << " " << a1 << '\n';
}
int main() {
#ifdef HOME
ifstream cin("input.in");
ofstream cout("output.out");
#endif
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
int t = 1;
cin >> t;
while (t--)
solve();
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 5928kb
input:
3 3 2 1 2 2 3 6 6 1 2 2 3 1 3 1 4 2 5 3 6 4 1 1 2
output:
2 1 1 4 1 2
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 134ms
memory: 16208kb
input:
2231 1 0 5 7 4 1 3 4 3 1 3 5 4 2 3 2 4 5 5 4 2 1 2 5 2 4 2 3 5 10 3 2 2 5 1 4 4 2 4 5 1 2 1 3 3 5 3 4 1 5 5 10 1 3 2 4 1 4 5 2 2 3 1 5 5 4 1 2 3 4 5 3 5 9 2 5 3 5 2 3 2 1 4 3 3 1 4 1 4 5 2 4 5 4 4 2 4 1 4 5 4 3 5 9 4 1 4 5 3 4 2 4 2 1 3 1 2 5 3 5 3 2 5 4 2 5 2 3 2 1 2 4 5 9 5 2 1 3 4 3 1 2 5 4 4 2 5...
output:
1 1 3 1 4 1 1 5 1 5 2 1 4 1 2 1 4 1 2 1 2 1 3 1 4 1 4 1 1 5 2 1 4 1 1 5 1 5 1 5 3 1 4 1 4 1 4 1 3 1 3 1 4 1 4 1 2 1 4 1 4 1 1 5 1 5 2 1 4 1 4 1 4 1 3 1 2 1 4 1 2 1 4 1 4 1 4 1 3 1 1 5 4 1 4 1 1 5 2 1 4 1 2 1 2 1 1 5 4 1 1 5 3 1 4 1 1 5 2 1 1 5 3 1 3 1 1 5 3 1 3 1 2 1 1 5 4 1 3 1 1 5 2 1 3 1 2 1 2 1 ...
result:
ok 2231 lines
Extra Test:
score: 0
Extra Test Passed