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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 |
---|---|---|---|---|---|---|---|---|---|
#218425 | #7107. Chaleur | ucup-team992 | AC ✓ | 471ms | 21044kb | C++17 | 4.0kb | 2023-10-18 11:26:19 | 2023-10-18 11:26:20 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ar array
#define ll long long
typedef int uci;
#define int long long
#define F first
#define S second
typedef complex<double> cd;
seed_seq seq{
(uint64_t) chrono::duration_cast<chrono::nanoseconds>(chrono::high_resolution_clock::now().time_since_epoch()).count(),
(uint64_t) __builtin_ia32_rdtsc(),
(uint64_t) (uintptr_t) make_unique<char>().get()
};
mt19937 rng(seq);
// mt19937_64 lrng(seq);
struct debugger{
template <typename T>
debugger& operator<<(T &a){
#ifdef DEBUG
cerr << a;
#endif
return *this;
}
template <typename T>
debugger& operator<<(T &&a){
#ifdef DEBUG
cerr << a;
#endif
return *this;
}
} deb;
const double PI = acos(-1.0);
const int MAX_N = 1e5 + 1;
const int MOD = 1e9 + 7;
const int INF = 1e9;
const ll LINF = 1e18;
//! function insert
//THINK FIRST, CODE SECOND
//DON'T GET STUCK ON ONE STRATEGY
//CALM DOWNNN FOR ONCE IN YOUR LIFE
//REDUCE
//COUGH E??!?!?!! O.O
//uwu i see you ryan
int deg[100001];
void solve() {
int n, m;
cin >> n >> m;
vector<vector<int>> adj(n);
for(int i{}; i < n; ++i)
deg[i] = 0;
for(int i{}; i < m; ++i){
int a, b;
cin >> a >> b;
a--, b--;
adj[a].push_back(b);
adj[b].push_back(a);
deg[a]++;
deg[b]++;
}
set<ar<int, 2>> left;
set<ar<int, 2>> startdeg;
for(int i{}; i < n; ++i){
left.insert({deg[i], i});
startdeg.insert({deg[i], i});
}
vector<bool> inside(n, true);
while(left.size() && !((*left.rbegin())[0] == (*left.begin())[0] && (*left.begin())[0]+1 == left.size())){
auto it = *startdeg.begin();
inside[it[1]] = false;
startdeg.erase(startdeg.begin());
left.erase(left.find({deg[it[1]], it[1]}));
for(int j : adj[it[1]]){
if(inside[j]){
left.erase(left.find({deg[j], j}));
deg[j]--;
left.insert({deg[j], j});
}
}
}
int cc{1};
if(left.size() <= 1){
cc = max(1ll, m == 0 ? n : m);
}else{
for(int i{}; i < n; ++i){
if(!inside[i]){
if(adj[i].size() == left.size()-1){
cc++;
}
}
}
}
int zeros{}, ones{};
for(auto t : left){
if(adj[t[1]].size() - deg[t[1]] == 0)
zeros++;
else if(adj[t[1]].size() - deg[t[1]] == 1)
ones++;
}
if(left.size() == n)
zeros = n;
if(zeros > 0){
cout << cc << ' ' << zeros << '\n';
}else if(ones > 0){
cout << cc << ' ' << ones+1 << '\n';
}else{
cout << cc << ' ' << 1 << '\n';
}
}
uci main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
int tc; cin >> tc;
for (int t = 1; t <= tc; t++) {
// cout << "Case #" << t << ": ";
solve();
}
}
/*
random number generator stuff
num = rng(); gives integer number
num = uniform_int_distribution<int>(a, b)(rng); -> bounds [a, b]
num = uniform_real_distribution<double>(a, b)(rng); -> bounds [a, b)
can also instantiate distributions and call on generator:
uniform_int_distribution<int> thing(a, b);
num = thing(rng);
*/
// struct custom_hash {
// static uint64_t splitmix64(uint64_t x) {
// // http://xorshift.di.unimi.it/splitmix64.c
// x += 0x9e3779b97f4a7c15;
// x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
// x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
// return x ^ (x >> 31);
// }
// size_t operator()(uint64_t x) const {
// static const uint64_t FIXED_RANDOM = lrng();
// return splitmix64(x + FIXED_RANDOM);
// }
// };
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3604kb
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: 471ms
memory: 21044kb
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