結果

問題 No.930 数列圧縮
ユーザー lumc_
提出日時 2019-11-22 21:59:22
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 4,806 bytes
コンパイル時間 1,108 ms
コンパイル使用メモリ 119,568 KB
実行使用メモリ 6,824 KB
最終ジャッジ日時 2024-10-11 03:34:53
合計ジャッジ時間 5,654 ms
ジャッジサーバーID
(参考情報)
judge5 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2 RE * 1
other AC * 6 WA * 15 RE * 3
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

// includes {{{
#include<iostream>
#include<iomanip>
#include<algorithm>
#include<vector>
#include<stack>
#include<queue>
#include<map>
#include<set>
#include<tuple>
#include<cmath>
#include<random>
#include<cassert>
#include<bitset>
#include<cstdlib>
// #include<deque>
// #include<multiset>
// #include<cstring>
// #include<bits/stdc++.h>
// }}}
using namespace std;
using ll = long long;
// #undef DEBUG
// #define DEBUG
// DEBUG {{{
#include <array>
#include <deque>
#include <iostream>
#include <list>
#include <queue>
#include <stack>
#include <tuple>
#include <valarray>
#include <vector>
template < int n, class... T >
typename std::enable_if< (n >= sizeof...(T)) >::type __output_tuple(
std::ostream &, std::tuple< T... > const &) {}
template < int n, class... T >
typename std::enable_if< (n < sizeof...(T)) >::type __output_tuple(
std::ostream &os, std::tuple< T... > const &t) {
os << (n == 0 ? "" : ", ") << std::get< n >(t);
__output_tuple< n + 1 >(os, t);
}
template < class... T >
std::ostream &operator<<(std::ostream &os, std::tuple< T... > const &t) {
os << "(";
__output_tuple< 0 >(os, t);
os << ")";
return os;
}
template < class T, class U >
std::ostream &operator<<(std::ostream &os, std::pair< T, U > const &p) {
os << "(" << p.first << ", " << p.second << ")";
return os;
}
template < class T >
std::ostream &operator<<(std::ostream &os, const std::stack< T > &a) {
os << "{";
for(auto tmp = a; tmp.size(); tmp.pop())
os << (a.size() == tmp.size() ? "" : ", ") << tmp.top();
os << "}";
return os;
}
template < class T, class Container, class Compare >
std::ostream &operator<<(std::ostream &os,
std::priority_queue< T, Container, Compare > a) {
os << "{ (top) ";
while(a.size()) os << a.top() << (a.size() == 1 ? "" : ", "), a.pop();
os << " }";
return os;
}
template < class T, class Container >
std::ostream &operator<<(std::ostream &os, std::queue< T, Container > a) {
os << "{ ";
while(a.size()) os << a.front() << (a.size() == 1 ? "" : ", "), a.pop();
os << " }";
return os;
}
#ifdef DEBUG
#if !defined(DEBUG_OUT)
#define DEBUG_OUT std::cerr
#endif
#define dump(...) \
[&]() { \
auto __debug_tap = std::make_tuple(__VA_ARGS__); \
DEBUG_OUT << "[" << __LINE__ << "] " << #__VA_ARGS__ << " = " << __debug_tap \
<< std::endl; \
}()
template < class T >
inline void dump2D(T &d, size_t sizey, size_t sizex) {
for(size_t i = 0; i < sizey; i++) {
DEBUG_OUT << "\t";
for(size_t j = 0; j < sizex; j++)
DEBUG_OUT << d[i][j] << (j + 1 == sizex ? "" : "\t");
DEBUG_OUT << std::endl;
}
}
template < class T >
inline void dump1D(T &d, size_t sizey) {
for(size_t i = 0; i < sizey; i++) {
DEBUG_OUT << d[i] << (i + 1 == sizey ? "" : " ");
}
DEBUG_OUT << std::endl;
}
template <
class T, class = typename std::iterator_traits< decltype(begin(T())) >::value_type,
class = typename std::enable_if< !std::is_same< T, std::string >::value >::type >
std::ostream &operator<<(std::ostream &os, const T &a) {
os << "{";
for(auto ite = begin(a); ite != end(a); ++ite)
os << (ite == begin(a) ? "" : ", ") << *ite;
os << "}";
return os;
}
#else
#define dump(...) ((void) 42)
#define dump2D(...) ((void) 42)
#define dump1D(...) ((void) 42)
template <
class T, class = typename std::iterator_traits< decltype(begin(T())) >::value_type,
class = typename std::enable_if< !std::is_same< T, std::string >::value >::type >
std::ostream &operator<<(std::ostream &os, const T &a) {
for(auto ite = begin(a); ite != end(a); ++ite)
os << (ite == begin(a) ? "" : " ") << *ite;
return os;
}
#endif
// }}}
int main() {
std::ios::sync_with_stdio(false), std::cin.tie(0);
int n;
cin >> n;
// n = 100;
vector<int> a(n);
// random_device rnd;
// mt19937 mt(time(NULL));
// iota(a.begin(), a.end(), 1);
// shuffle(a.begin(), a.end(), mt);
for(int i = 0; i < n; i++) cin >> a[i];
if(a[0] > a[n-1]) {
abort();
return cout << "No" << endl, 0;
}
dump(a);
cout << "Yes" << endl;
vector<int> ans;
stack<int> stk;
stk.push(a[0]);
for(int i = 1; i < n; i++) {
if(stk.top() < a[i]) {
while(stk.size() >= 2 && stk.top() < a[i]) {
ans.push_back(stk.top());
stk.pop();
}
if(stk.size() == 1) ans.push_back(a[i]);
else stk.push(a[i]);
} else {
stk.push(a[i]);
}
}
assert(stk.size() == 1);
assert(ans.size() == n - 1);
for(int i = 0; i < n - 1; i++) cout << ans[i] << " \n"[i == n - 2];
return 0;
}
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