QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#158162 | #7107. Chaleur | ucup-team087# | AC ✓ | 187ms | 10160kb | C++14 | 7.4kb | 2023-09-02 16:16:48 | 2023-09-02 16:16:54 |
Judging History
answer
#include <cassert>
#include <cmath>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <functional>
#include <iostream>
#include <limits>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
using namespace std;
using Int = long long;
template <class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &a) { return os << "(" << a.first << ", " << a.second << ")"; };
template <class T> ostream &operator<<(ostream &os, const vector<T> &as) { const int sz = as.size(); os << "["; for (int i = 0; i < sz; ++i) { if (i >= 256) { os << ", ..."; break; } if (i > 0) { os << ", "; } os << as[i]; } return os << "]"; }
template <class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; }
template <class T> bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; }
template <class T> bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; }
// fast IO by yosupo
// sc.read(string &) appends the input
struct Scanner {
FILE* fp = nullptr;
char line[(1 << 15) + 1];
size_t st = 0, ed = 0;
void reread() {
memmove(line, line + st, ed - st);
ed -= st;
st = 0;
ed += fread(line + ed, 1, (1 << 15) - ed, fp);
line[ed] = '\0';
}
bool succ() {
while (true) {
if (st == ed) {
reread();
if (st == ed) return false;
}
while (st != ed && isspace(line[st])) st++;
if (st != ed) break;
}
if (ed - st <= 50) reread();
return true;
}
template <class T, enable_if_t<is_same<T, string>::value, int> = 0>
bool read_single(T& ref) {
if (!succ()) return false;
while (true) {
size_t sz = 0;
while (st + sz < ed && !isspace(line[st + sz])) sz++;
ref.append(line + st, sz);
st += sz;
if (!sz || st != ed) break;
reread();
}
return true;
}
template <class T, enable_if_t<is_integral<T>::value, int> = 0>
bool read_single(T& ref) {
if (!succ()) return false;
bool neg = false;
if (line[st] == '-') {
neg = true;
st++;
}
ref = T(0);
while (isdigit(line[st])) {
ref = 10 * ref + (line[st++] - '0');
}
if (neg) ref = -ref;
return true;
}
template <class T> bool read_single(vector<T>& ref) {
for (auto& d : ref) {
if (!read_single(d)) return false;
}
return true;
}
void read() {}
template <class H, class... T> void read(H& h, T&... t) {
bool f = read_single(h);
assert(f);
read(t...);
}
Scanner(FILE* _fp) : fp(_fp) {}
};
struct Printer {
public:
template <bool F = false> void write() {}
template <bool F = false, class H, class... T>
void write(const H& h, const T&... t) {
if (F) write_single(' ');
write_single(h);
write<true>(t...);
}
template <class... T> void writeln(const T&... t) {
write(t...);
write_single('\n');
}
void flush() {
fwrite(line, 1, pos, fp);
pos = 0;
}
Printer(FILE* _fp) : fp(_fp) {}
~Printer() { flush(); }
private:
static constexpr size_t SIZE = 1 << 15;
FILE* fp;
char line[SIZE], small[50];
size_t pos = 0;
void write_single(const char& val) {
if (pos == SIZE) flush();
line[pos++] = val;
}
template <class T, enable_if_t<is_integral<T>::value, int> = 0>
void write_single(T val) {
if (pos > (1 << 15) - 50) flush();
if (val == 0) {
write_single('0');
return;
}
if (val < 0) {
write_single('-');
val = -val; // todo min
}
size_t len = 0;
while (val) {
small[len++] = char('0' + (val % 10));
val /= 10;
}
for (size_t i = 0; i < len; i++) {
line[pos + i] = small[len - 1 - i];
}
pos += len;
}
void write_single(const string& s) {
for (char c : s) write_single(c);
}
void write_single(const char* s) {
size_t len = strlen(s);
for (size_t i = 0; i < len; i++) write_single(s[i]);
}
template <class T> void write_single(const vector<T>& val) {
auto n = val.size();
for (size_t i = 0; i < n; i++) {
if (i) write_single(' ');
write_single(val[i]);
}
}
void write_single(long double d){
{
long long v=d;
write_single(v);
d-=v;
}
write_single('.');
for(int _=0;_<8;_++){
d*=10;
long long v=d;
write_single(v);
d-=v;
}
}
};
Scanner sc(stdin);
Printer pr(stdout);
int N, M;
vector<int> A, B;
int main() {
int numCases;
sc.read(numCases);
for (; numCases--; ) {
sc.read(N, M);
A.resize(M);
B.resize(M);
for (int i = 0; i < M; ++i) {
sc.read(A[i], B[i]);
--A[i];
--B[i];
}
vector<pair<int, int>> dus(N);
for (int u = 0; u < N; ++u) {
dus[u] = make_pair(0, u);
}
for (int i = 0; i < M; ++i) {
++dus[A[i]].first;
++dus[B[i]].first;
}
sort(dus.begin(), dus.end());
vector<int> deg(N);
vector<int> tr(N, -1);
for (int u = 0; u < N; ++u) {
deg[u] = dus[u].first;
tr[dus[u].second] = u;
}
for (int i = 0; i < M; ++i) {
A[i] = tr[A[i]];
B[i] = tr[B[i]];
}
// cerr<<"N = "<<N<<", M = "<<M<<endl<<"A = "<<A<<endl<<"B = "<<B<<endl<<"deg = "<<deg<<endl;
vector<vector<int>> graph(N);
for (int i = 0; i < M; ++i) {
graph[A[i]].push_back(B[i]);
graph[B[i]].push_back(A[i]);
}
for (int u = 0; u < N; ++u) {
sort(graph[u].begin(), graph[u].end());
}
vector<int> pre(N + 1, N);
vector<int> degSum(N + 1, 0);
for (int u = 0; u < N; ++u) {
pre[u + 1] = min(pre[u], deg[u] ? graph[u][0] : N);
degSum[u + 1] = degSum[u] + deg[u];
}
int K = -1;
for (int k = 0; k <= N; ++k) {
bool ok = true;
ok = ok && (k <= pre[k]);
ok = ok && (M - degSum[k] == 1LL * (N-k) * (N-k - 1) / 2);
if (ok) {
K = k;
break;
}
}
// cerr<<"K = "<<K<<endl;
assert(~K);
int ans[2] = {};
// ind
{
// +1
for (int u = K; u < N; ++u) if (deg[u] == N-K - 1) {
++ans[0];
}
// +0
if (ans[0] == 0) {
++ans[0];
for (int u = K; u < N; ++u) if (deg[u] == N-K) {
++ans[0];
}
}
}
// clique
{
// +1
for (int u = 0; u < K; ++u) if (deg[u] == N-K) {
++ans[1];
}
// +0
if (ans[1] == 0) {
++ans[1];
for (int u = 0; u < K; ++u) if (deg[u] == N-K - 1) {
++ans[1];
}
}
}
printf("%d %d\n", ans[1], ans[0]);
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 3792kb
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: 187ms
memory: 10160kb
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