結果

問題 No.2740 Old Maid
ユーザー shiba
提出日時 2024-04-20 10:52:16
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 372 ms / 2,000 ms
コード長 3,888 bytes
コンパイル時間 1,109 ms
コンパイル使用メモリ 126,256 KB
実行使用メモリ 23,460 KB
最終ジャッジ日時 2024-10-12 06:28:02
合計ジャッジ時間 11,257 ms
ジャッジサーバーID
(参考情報)
judge3 / judge4
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 62
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:146:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
  146 |         auto [p,i] = *(rest.begin());
      |              ^
main.cpp:161:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
  161 |         auto [i2,p2] = *it;
      |              ^

ソースコード

diff #
プレゼンテーションモードにする

#include <iostream> // cout, endl, cin
#include <string> // string, to_string, stoi
#include <vector> // vector
#include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound
#include <utility> // pair, make_pair
#include <tuple> // tuple, make_tuple
#include <cstdint> // int64_t, int*_t
#include <cstdio> // printf
#include <map> // map
#include <queue> // queue, priority_queue
#include <set> // set
#include <stack> // stack
#include <deque> // deque
#include <unordered_map> // unordered_map
#include <unordered_set> // unordered_set
#include <bitset> // bitset
#include <cctype> // isupper, islower, isdigit, toupper, tolower
#include <iomanip>
#include <climits>
#include <cmath>
#include <functional>
#include <numeric>
#include <regex>
#include <array>
#include <fstream>
#include <sstream>
//#include<atcoder/modint>
//using namespace atcoder;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep1(i, n) for (int i = 1; i <= (int)(n); i++)
#define repl(i,l,r) for (int i = l; i < (int)(r); i++)
#define all(a) a.begin(),a.end()
#define Pii pair<int,int>
#define Pll pair<long,long>
#define INFi 1000000001
#define INFl 1000000000000000001
#define ll long long
using namespace std;
template<class T> inline bool chmin(T& a, T b) {
if (a > b) {
a = b;
return true;
}
return false;
}
template<class T> inline bool chmax(T& a, T b) {
if (a < b) {
a = b;
return true;
}
return false;
}
template<class T> void printArray(vector<T>&A){
for(T&a:A){
cout<<a<<" ";
}
cout<<endl;
}
template<class T> void printArrayln(vector<T>&A){
for(T&a:A){
cout<<a<<endl;
}
}
template<class T1,class T2> std::ostream &operator<<(std::ostream &out, const pair<T1,T2> &A){
cout<<"{"<<A.first<<","<<A.second<<"}";
return out;
}
template<class T1,class T2> std::ostream &operator<<(std::ostream &out, const map<T1,T2> &M){
for(const auto&A:M){
cout<<"{"<<A.first<<","<<A.second<<"}";
}
return out;
}
template<class T1> std::ostream &operator<<(std::ostream &out, const set<T1> &M){
cout<<"{";
for(const auto&A:M){
cout<<A<<", ";
}
cout<<"}"<<endl;
return out;
}
template<class T1> std::ostream &operator<<(std::ostream &out, const multiset<T1> &M){
cout<<"{";
for(const auto&A:M){
cout<<A<<", ";
}
cout<<"}"<<endl;
return out;
}
template<class T> std::ostream &operator<<(std::ostream &out, const vector<T> &A){
for(const T &a:A){
cout<<a<<" ";
}
return out;
}
void print() { cout << endl; }
template <typename Head, typename... Tail>
void print(Head H, Tail... T) {
cout << H << " ";
print(T...);
}
template<class T> std::istream &operator>>(std::istream &in,vector<T>&A){
for(T&a:A){
std::cin>>a;
}
return in;
}
int main(void){
std::cin.tie(0)->sync_with_stdio(0);
int N;cin>>N;
vector<int> p(N);
set<Pii> st;
set<Pii> rest;
rep(i,N){
cin>>p[i];
p[i]--;
st.insert({i,p[i]});
rest.insert({p[i],i});
}
vector<int> ans(0);
while(!st.empty()){
auto [p,i] = *(rest.begin());
//
// i
auto it = st.upper_bound({i,p});
if(it == st.end()){
// i
// 2
auto it2 = rest.begin();
it2++;
p = it2->first;
i = it2->second;
it = st.upper_bound({i,p});
}
auto [i2,p2] = *it;
ans.push_back(p);
ans.push_back(p2);
st.erase({i,p});
st.erase({i2,p2});
rest.erase({p,i});
rest.erase({p2,i2});
}
rep(i,N){
cout<<ans[i]+1<<" ";
}
cout<<endl;
}
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