QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#23228 | #3020. Rainbow Graph | akifpatel | TL | 0ms | 3688kb | C++14 | 14.5kb | 2022-03-14 09:25:22 | 2022-04-30 02:36:53 |
Judging History
answer
# 0 "r.cpp"
# 0 "<built-in>"
# 0 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 0 "<command-line>" 2
# 1 "r.cpp"
# 1 "/home/dooku/programming/cp/amoguslib/bin/../amoguslib.h" 1
#pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2")
#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
typedef pair<ll, ll> pl;
typedef vector<ll> vl;
template<class K, class V, int L=8, bool alloc=true> struct amogus_map{};
const uint64_t __AMOGUSMAP_HASH_C = uint64_t(4e18 * acos(0)) | 71;
template<class K, class V, int L>
struct amogus_map<K,V,L,false> {
const int __res = L;
K table[1<<L];
V value[1<<L];
char used_arr[1<<(L-3)];
int __size=0;
template<class U=V> typename enable_if<! is_empty<U>::value, V&>::type
operator[](const K &x) {
int h = __builtin_bswap64(__AMOGUSMAP_HASH_C*hash<K>{}(x)) & ((1<<__res)-1); while (((used_arr[h/8]>>(h%8))&1) && table[h]!=x) h = (h+1) & ((1<<__res)-1);
if (!((used_arr[h/8]>>(h%8))&1)) {
table[h]=x, ({used_arr[h/8] |= (1<<(h%8));}), __size++, value[h]=V{};
}
return value[h];
}
bool count(const K&x) const {
int h = __builtin_bswap64(__AMOGUSMAP_HASH_C*hash<K>{}(x)) & ((1<<__res)-1); while (((used_arr[h/8]>>(h%8))&1) && table[h]!=x) h = (h+1) & ((1<<__res)-1);
return ((used_arr[h/8]>>(h%8))&1);
}
template<class U=V> typename enable_if<! is_empty<U>::value, bool>::type
insert(const pair<K, V> &p) {
int h = __builtin_bswap64(__AMOGUSMAP_HASH_C*hash<K>{}(p.first)) & ((1<<__res)-1); while (((used_arr[h/8]>>(h%8))&1) && table[h]!=p.first) h = (h+1) & ((1<<__res)-1);
if (!((used_arr[h/8]>>(h%8))&1)) {
table[h]=p.first, ({used_arr[h/8] |= (1<<(h%8));}), value[h]=p.second, __size++;
return true;
}
return false;
}
template<class U=V> typename enable_if< is_empty<U>::value, bool>::type
insert(const K &k) {
int h = __builtin_bswap64(__AMOGUSMAP_HASH_C*hash<K>{}(k)) & ((1<<__res)-1); while (((used_arr[h/8]>>(h%8))&1) && table[h]!=k) h = (h+1) & ((1<<__res)-1);
if (!((used_arr[h/8]>>(h%8))&1)) {
table[h]=k, ({used_arr[h/8] |= (1<<(h%8));}), __size++;
return true;
}
return false;
}
void clear() {memset(used_arr, 0, 1<<(L-3)); __size=0;}
int size() {return __size;}
};
template<class K, class V, int L>
struct amogus_map<K,V,L,true> {
int __res; int __size;
K* table; V* value; char *used_arr;
amogus_map() : __res(L), __size(0), table(new K[1<<L]), value(new V[1<<L]), used_arr(new char[1<<(L-3)]()) {}
amogus_map(const amogus_map& m) {
__res = m.__res; __size=m.__size;
table = new K[1<<__res]; copy(m.table, m.table+(1<<__res), table);
value = new V[1<<__res]; copy(m.value, m.value+(1<<__res), value);
used_arr = new char[1<<(__res-3)]; copy(m.used_arr, m.used_arr+(1<<(__res-3)), used_arr);
}
amogus_map& operator=(amogus_map o) {
__res=o.__res; __size=o.__size;
swap(table, o.table); swap(value, o.value); swap(used_arr, o.used_arr);
return *this;
}
bool CHKLOADF() {
if (__size*3 > (1<<__res)) {
__res++;
K* ot=table; V* ov=value; char* ou = used_arr;
table=new K[1<<__res]; value=new V[1<<__res]; used_arr = new char[1<<(__res-3)]();
for (int i=0; i<(1<<(__res-1)); ++i) {
if (((ou[i/8]>>(i%8))&1)) {
K k = ot[i];
int h = __builtin_bswap64(__AMOGUSMAP_HASH_C*hash<K>{}(k)) & ((1<<__res)-1); while (((used_arr[h/8]>>(h%8))&1) && table[h]!=k) h = (h+1) & ((1<<__res)-1);
table[h]=k, ({used_arr[h/8] |= (1<<(h%8));}), value[h]=ov[i];
}
}
delete[]ot; delete[] ou; delete[] ov;
return true;
}
return false;
}
template<class U=V> typename enable_if<! is_empty<U>::value, V&>::type
operator[](const K &x) {
int h = __builtin_bswap64(__AMOGUSMAP_HASH_C*hash<K>{}(x)) & ((1<<__res)-1); while (((used_arr[h/8]>>(h%8))&1) && table[h]!=x) h = (h+1) & ((1<<__res)-1);
if (!((used_arr[h/8]>>(h%8))&1)) {
table[h]=x, ({used_arr[h/8] |= (1<<(h%8));}), __size++, value[h]=V{};
if (CHKLOADF()) return (*this)[x];
}
return value[h];
}
bool count(const K&x) const {
int h = __builtin_bswap64(__AMOGUSMAP_HASH_C*hash<K>{}(x)) & ((1<<__res)-1); while (((used_arr[h/8]>>(h%8))&1) && table[h]!=x) h = (h+1) & ((1<<__res)-1);
return ((used_arr[h/8]>>(h%8))&1);
}
template<class U=V> typename enable_if<! is_empty<U>::value, bool>::type
insert(const pair<K, V> &p) {
int h = __builtin_bswap64(__AMOGUSMAP_HASH_C*hash<K>{}(p.first)) & ((1<<__res)-1); while (((used_arr[h/8]>>(h%8))&1) && table[h]!=p.first) h = (h+1) & ((1<<__res)-1);
if (!((used_arr[h/8]>>(h%8))&1)) {
table[h]=p.first, ({used_arr[h/8] |= (1<<(h%8));}), value[h]=p.second, __size++;
CHKLOADF();
return true;
}
return false;
}
template<class U=V> typename enable_if< is_empty<U>::value, bool>::type
insert(const K &k) {
int h = __builtin_bswap64(__AMOGUSMAP_HASH_C*hash<K>{}(k)) & ((1<<__res)-1); while (((used_arr[h/8]>>(h%8))&1) && table[h]!=k) h = (h+1) & ((1<<__res)-1);
if (!((used_arr[h/8]>>(h%8))&1)) {
table[h]=k, ({used_arr[h/8] |= (1<<(h%8));}), __size++;
CHKLOADF();
return true;
}
return false;
}
void clear() {memset(used_arr, 0, 1<<(__res-3)); __size=0;}
int size() {return __size;}
~amogus_map(){delete[] used_arr; delete[] table; delete[] value;};
};
template<class K, class V, int L, bool alloc>
ostream& operator<< (ostream& o, const amogus_map<K,V,L,alloc> &m) {
o<<'[';
for (auto a:m) o<<a <<", ";
return o<<']';
}
template<class K, class V> struct amogus_map_iter {
ll *used;
K *table;
V *value;
int sz;
ll block=0;
int i=-1;
amogus_map_iter<K, V>& operator++() {
block = block & (block-1);
while (block==0 && i<sz-1) {
++i;
block = used[i];
}
return *this;
};
amogus_map_iter<K,V> operator++(int) {
amogus_map_iter<K,V> old=*this;
operator++();
return old;
}
using ITT = pair<const K, V&>;
template<class U=V> typename enable_if<! is_empty<U>::value, ITT>::type operator*() {
int j=__builtin_ffsll(block)-1;
return {table[i*64+j], value[i*64+j]};
}
template<class U=V> typename enable_if< is_empty<U>::value, K>::type operator*() {
int j=__builtin_ffsll(block)-1;
return table[i*64+j];
}
bool operator==(amogus_map_iter<K,V> o) {
return o.i==i && o.block==block;
}
bool operator!=(amogus_map_iter<K,V> o) {
return o.i!=i || o.block!=block;
}
};
template<class K, class V, int L, bool alloc>
amogus_map_iter<K,V> begin(const amogus_map<K,V,L,alloc> &m) {
amogus_map_iter<K,V> r{(ll*)m.used_arr, m.table, m.value, (1<<m.__res)/64};
return ++r;
}
template<class K, class V, int L, bool alloc>
amogus_map_iter<K,V> end(const amogus_map<K,V,L,alloc> &m) {
return {nullptr, nullptr, nullptr, (1<<m.__res)/64, 0, (1<<m.__res)/64-1};
}
template<class T, int L=8, bool alloc=true>
using amogus_set = amogus_map<T, tuple<>, L, alloc>;
template<class T, int __NN, T(* f)(T, T)>
struct segtree {
T t[2 * __NN];
int n=__NN;
T id;
segtree(){} segtree(T idv) {id=idv;}
void build() {for (int i=n-1; i>0; --i) t[i] = f(t[i<<1], t[i<<1|1]);}
void modify(int p, T value) {
for (p+=n, t[p] = value; p>>=1;) t[p] = f(t[p<<1], t[p<<1|1]);
}
void incr(int p, T value) {
for (p+=n, t[p] = f(t[p], value); p>>=1;) t[p] = f(t[p<<1], t[p<<1|1]);
}
T query(int l, int r) {
T resl=id, resr=id;
for (l += n, r += n; l < r; l>>=1, r>>=1) {
if (l&1) resl = f(resl, t[l++]);
if (r&1) resr = f(t[--r], resr);
}
return f(resl, resr);
}
int lower_bound(int l, int r, T x, bool (*less)(T, T)) {
vl segs, segsr;
int r0=r;
for (l+=n, r+=n; l<r; l>>=1, r>>=1) {
if (l&1) segs.push_back(l++);
if (r&1) segsr.push_back(--r);
}
segs.insert(segs.end(), segsr.rbegin(), segsr.rend());
T cur = id;
for (int i=0; i<segs.size(); ++i) {
T neow = f(cur, t[segs[i]]);
if (!less(neow, x)) {
for (i=segs[i]; i<n; ) {
neow = f(cur, t[i<<=1]);
if (less(neow, x)) i++, cur=neow;
}
return i-n;
}
cur = neow;
}
return r0;
}
};
# 1 "/home/dooku/programming/cp/amoguslib/bin/../prime.h" 1
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wshadow"
void prime_seive(ll *prime, const ll n) {
for (ll i=2; i<n; i++)
if (prime[i]==0) {
prime[i] = i;
for (ll j=i*i;j<n;j+=i) if(!prime[j]) prime[j]=i;
}
}
vl prime_seive_list(ll *prime, const ll n) {
vl primes;
for (ll i=2; i<n; i++)
if (prime[i]==0) {
primes.push_back(i);
prime[i] = i;
for (ll j=i*i;j<n;j+=i) if(!prime[j]) prime[j]=i;
}
return primes;
}
#pragma GCC diagnostic pop
# 281 "/home/dooku/programming/cp/amoguslib/bin/../amoguslib.h" 2
ll inv(ll a, ll b){return 1<a ? b - inv(b%a,a)*b/a : 1;}
ll CRT(const vector<ll> &a, const vector<ll> &n) {
ll prod = 1;
for (auto ni:n) prod*=ni;
ll sm = 0;
for (int i=0; i<n.size(); i++) {
ll p = prod/n[i];
sm += a[i]*inv(p, n[i])*p;
}
return sm % prod;
}
template <class T>
using min_heap = priority_queue<T, vector<T>, greater<T>>;
#ifdef __SIZEOF_INT128__
typedef __int128 bb;
#else
typedef ll bb;
#endif
# 323 "/home/dooku/programming/cp/amoguslib/bin/../amoguslib.h"
template<class T, class S>
ostream& operator<<(ostream& o, pair<T, S> p) {
return o<<'('<<p.first<<", "<<p.second<<')';
}
template<template<class, class...> class T, class... A>
typename enable_if<!(is_same<T<A...>, string>() || is_same<T<A...>, complex< tuple_element_t<0, tuple<A...>> >>()), ostream&>::type
operator<< (ostream& o, T<A...> v) {
o<<'[';
for (auto a:v) o<<a <<", ";
return o<<']';
}
template<ll i, class... T>
typename enable_if<i==sizeof...(T)>::type _p(ostream& o, tuple<T...> t) {}
template<ll i, class... T>
typename enable_if<i<sizeof...(T)>::type _p(ostream& o, tuple<T...> t) {
_p<i+1>(o << get<i>(t)<< ", ", t);
}
template<class... T>
ostream& operator<<(ostream& o, tuple<T...> t) {
_p<0>(o<<'(', t);
return o<<')';
}
void _print() {cerr << "]"<<endl;} template <class T, class... second>
void _print(T t, second... v) {cerr<<t; if (sizeof...(v)) cerr << ", "; _print(v...);}
# 2 "r.cpp" 2
constexpr ll M = 1e9+7;
typedef vector<int> vi;
int8_t I[110], used[110], x2[110];
typedef pair<int, int> dtype;
dtype dist[110];
pair<int, int> e[110];
char c[110];
int ans[110];
int n;
int find(vi &par, int a) {return a==par[a] ? a : par[a] = find(par, par[a]);}
vi find_ccs(const vi &ed, char col, int skip=-1) {
vi par(n); iota(begin(par), end(par), 0);
for (int i:ed) if (i-skip && (c[i]=='G' || c[i]==col))
par[find(par, e[i].first)] = find(par, e[i].second);
for (int i=0; i<n; ++i) find(par, i);
return par;
}
int par[110], w[110];
int nccs(const vi &cc) {
int ret=0;
for (int i=0;i<n; ++i) ret += cc[i]==i;
return ret;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int m; cin>>n>>m;
int tot_w = 0;
for (ll i=0; i<m; ++i) {
cin>>e[i].first>>e[i].second>>w[i]>>c[i];
e[i].first--; e[i].second--;
tot_w += w[i];
}
memset(ans, -1, sizeof ans);
ans[m] = tot_w;
vi Ie;
while (1) {
for (int i=0; i<m; ++i) used[i]=0, dist[i]={-1, -1}, x2[i]=0;
vi removed;
for (int i=0; i<m; ++i) if (!I[i]) removed.push_back(i);
vector<pair<int, int>> edges;
for (int z=0; z<m; ++z) if (!I[z]) {
vi pcr = find_ccs(removed, 'R', z);
vi pcb = find_ccs(removed, 'B', z);
int ncr = nccs(pcr);
int ncb = nccs(pcb);
for (int y:Ie) {
if (ncr==1 || (ncr==2 && pcr[e[y].first]!=pcr[e[y].second])) edges.push_back({y, z});
if (ncb==1 || (ncb==2 && pcb[e[y].first]!=pcb[e[y].second])) edges.push_back({z, y});
}
}
for (int z=0; z<m; ++z) if (!I[z]) {
vi pcr = find_ccs(removed, 'R', z);
vi pcb = find_ccs(removed, 'B', z);
if (nccs(pcr)==1) par[z]=-1, dist[z]={(I[z] ? w[z] : -w[z]), 0};
if (nccs(pcb)==1) x2[z]=1;
}
while (1) {
bool any=false;
for (auto ed:edges) {
auto __p = ed; auto u = __p.first; auto v = __p.second;
if (dist[u].second!=-1) {
dtype nd = {dist[u].first+(I[v] ? w[v] : -w[v]), dist[u].second+1};
if (dist[v].second==-1 || dist[v] > nd) {
do {cerr << "[" << "u, v, dist[u], dist[v], nd, (I[v] ? w[v] : -w[v])" << "] = ["; _print(u, v, dist[u], dist[v], nd, (I[v] ? w[v] : -w[v])); } while(0);
dist[v] = nd;
par[v] = u;
any=true;
}
}
}
if (!any) break;
}
int en=-1;
for (int i=0; i<m; ++i) {
if (dist[i].first!=-1 && x2[i]) {
if (en==-1 || dist[en] > dist[i]) en=i;
}
}
if (en==-1) break;
do I[en]^=1, en=par[en]; while (~en);
int last_size = Ie.size();
int s = 0;
Ie.clear(); for (int i=0; i<m; ++i) if (I[i]) Ie.push_back(i), s+=w[i];
for (int j=m-last_size-1; j>=m-(ll)Ie.size(); --j) ans[j] = tot_w-s;
}
for (int i=1; i<=m; ++i) cout<<ans[i]<<'\n';
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3688kb
input:
5 8 1 5 1 R 2 1 2 R 5 4 5 R 4 5 3 G 1 3 3 G 4 3 5 G 5 4 1 B 1 2 2 B
output:
-1 -1 -1 -1 15 14 17 22
result:
ok 8 numbers
Test #2:
score: -100
Time Limit Exceeded
input:
31 93 11 28 508 B 5 29 329 R 26 27 213 R 23 21 11 B 19 20 373 R 7 14 19 B 11 15 478 B 9 27 737 R 8 30 548 B 14 8 468 R 27 14 989 G 25 25 235 B 18 3 669 R 26 5 254 B 8 6 866 G 26 30 612 R 29 4 658 R 3 11 690 R 29 24 650 R 17 24 986 B 13 19 608 B 10 26 380 B 3 17 998 R 12 16 849 B 23 5 449 B 19 13 302...