結果
| 問題 |
No.190 Dry Wet Moist
|
| ユーザー |
chakku
|
| 提出日時 | 2020-03-17 02:48:38 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,703 bytes |
| コンパイル時間 | 1,657 ms |
| コンパイル使用メモリ | 173,196 KB |
| 実行使用メモリ | 14,208 KB |
| 最終ジャッジ日時 | 2024-11-29 02:33:28 |
| 合計ジャッジ時間 | 5,189 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 15 WA * 13 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
/*{{{*/ //template
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define rrep(i,n) for(int i=(n)-1;i>=0;i--)
constexpr int INF = numeric_limits<int>::max()/2;
constexpr long long LINF = numeric_limits<long long>::max()/3;
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define all(v) (v).begin(),(v).end()
#define sz(x) (int)(x).size()
#define debug(x) cerr<<#x<<":"<<x<<endl
#define debug2(x,y) cerr<<#x<<","<<#y":"<<x<<","<<y<<endl
//struct fin{ fin(){ cin.tie(0); ios::sync_with_stdio(false); } } fin_;
struct Double{ double d; explicit Double(double x) : d(x){} };
ostream& operator<<(ostream& os,const Double x){ os << fixed << setprecision(20) << x.d; return os; }
template<typename T> ostream& operator<<(ostream& os,const vector<T>& vec){ os << "["; for(const auto& v : vec){ os << v << ","; } os << "]"; return os; }
template<typename T,typename U> ostream& operator<<(ostream& os, const map<T,U>& mp){ os << "{"; for(auto& p : mp){ os << p << ","; } os << "}"; return os; }
template<typename T,typename U> ostream& operator<<(ostream& os,const pair<T,U>& p){ os << "(" << p.first << ","<< p.second <<")"; return os; }
template<typename T> ostream& operator<<(ostream& os,const set<T>& st){ os<<"{"; for(T v:st) os<<v<<","; os <<"}"; return os; }
template<typename T,typename U> inline void chmax(T &x,U y){ if(y>x) x = y; }
template<typename T,typename U> inline void chmin(T &x,U y){ if(y<x) x = y; }
using ll = long long;
using ull = unsigned long long;
using pii = std::pair<int,int>;
using vi = std::vector<int>;
typedef vector<vi> vvi;
ll gcd(ll a,ll b){ if(b==0) return a; else return gcd(b,a%b); }
constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n - 1); }
//constexpr double eps = 1e-14;
constexpr double eps = 1e-10;
constexpr ll mod = 1e9+7;
const int dx[]={1,0,-1,0} ,dy[] = {0,1,0,-1};
/*}}}*/
template<typename T>
ostream& operator<<(ostream& os, const multiset<T>& st){
os << "{";
for(auto s : st) os << s << ",";
os << "}";
return os;
}
constexpr int max_a = 100005;
int x[max_a];
int y[max_a];
int main(){
int n; cin >> n;
vector<int> a(2*n); rep(i,2*n) cin >> a[i];
rep(i,2*n){
if(a[i] >= 0){
x[a[i]]++;
}else{
y[-a[i]]++;
}
}
int moist = 0;
for(int i=0;i<max_a;i++){
moist += min(x[i],y[i]);
}
int dry = 0; // 合計が負
{
multiset<int> positive, negative;
for(auto v : a){
if(v >= 0){
positive.insert(v);
}else{
negative.insert(v);
}
}
int cnt = negative.size();
for(auto neg : negative){
auto iter = positive.lower_bound(-neg);
if(iter != positive.begin()){
cnt--;
iter--;
dry++;
positive.erase(iter);
}
}
dry += cnt / 2;
}
int wet = 0; // 合計が正
{
multiset<int> positive, negative;
for(auto v : a){
if(v > 0){
positive.insert(v);
}else{
negative.insert(v);
}
}
//cout << positive << "\n" << negative << endl;
int cnt = positive.size();
for(auto pos : positive){
auto iter = negative.upper_bound(-pos);
if(iter != negative.end()){
cnt--;
//cout << pos << " " << *iter << endl;
wet++;
negative.erase(iter);
}
}
wet += cnt/2;
}
cout << dry << " " << wet << " " << moist << endl;
}
chakku