結果
問題 | No.2927 Reverse Polish Equation |
ユーザー | akiaa11 |
提出日時 | 2024-10-12 16:49:29 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 419 ms / 2,000 ms |
コード長 | 3,761 bytes |
コンパイル時間 | 4,970 ms |
コンパイル使用メモリ | 267,304 KB |
実行使用メモリ | 11,344 KB |
最終ジャッジ日時 | 2024-10-16 00:27:43 |
合計ジャッジ時間 | 12,404 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 3 ms
5,248 KB |
testcase_08 | AC | 4 ms
5,248 KB |
testcase_09 | AC | 4 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 4 ms
5,248 KB |
testcase_12 | AC | 95 ms
5,248 KB |
testcase_13 | AC | 172 ms
6,272 KB |
testcase_14 | AC | 119 ms
5,376 KB |
testcase_15 | AC | 145 ms
6,144 KB |
testcase_16 | AC | 54 ms
5,248 KB |
testcase_17 | AC | 206 ms
7,280 KB |
testcase_18 | AC | 264 ms
8,112 KB |
testcase_19 | AC | 18 ms
5,248 KB |
testcase_20 | AC | 218 ms
7,040 KB |
testcase_21 | AC | 305 ms
9,088 KB |
testcase_22 | AC | 29 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 2 ms
5,248 KB |
testcase_26 | AC | 2 ms
5,248 KB |
testcase_27 | AC | 298 ms
8,448 KB |
testcase_28 | AC | 331 ms
7,552 KB |
testcase_29 | AC | 45 ms
5,248 KB |
testcase_30 | AC | 366 ms
8,160 KB |
testcase_31 | AC | 18 ms
5,248 KB |
testcase_32 | AC | 80 ms
5,248 KB |
testcase_33 | AC | 151 ms
5,504 KB |
testcase_34 | AC | 194 ms
5,888 KB |
testcase_35 | AC | 2 ms
5,248 KB |
testcase_36 | AC | 237 ms
8,192 KB |
testcase_37 | AC | 125 ms
5,248 KB |
testcase_38 | AC | 419 ms
8,960 KB |
testcase_39 | AC | 168 ms
5,504 KB |
testcase_40 | AC | 342 ms
8,004 KB |
testcase_41 | AC | 292 ms
7,152 KB |
testcase_42 | AC | 279 ms
11,340 KB |
testcase_43 | AC | 327 ms
11,344 KB |
testcase_44 | AC | 373 ms
11,344 KB |
testcase_45 | AC | 263 ms
10,604 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #define SELECTER(_1,_2,_3,SELECT,...) SELECT #define rep1(i,n) for(int i=0;i<int(n);++i) #define rep2(i,a,n) for(int i=int(a);i<int(n);++i) #define rep(...) SELECTER(__VA_ARGS__,rep2,rep1)(__VA_ARGS__) #define RSELECTER(_1, _2, _3, RSELECT, ...) RSELECT #define rrep1(i,n) for(int i=(int)(n)-1;i>=0;--i) #define rrep2(i,a,n) for(int i=(int)(n)-1;i>=(int)a;--i) #define rrep(...) RSELECTER(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fi first #define se second #define PrintR LogOutput #ifdef _DEBUG #define Log(...) LogOutput(__VA_ARGS__) #else #define Log(...) #endif #define M_PI 3.14159265358979323846 using namespace std; using namespace atcoder; using ll=long long; using ld=long double; using pii=pair<int,int>; using pll=pair<long long,long long>; using pdd=pair<long double,long double>; using tp=tuple<int,int,int>; using tpll=tuple<ll,ll,ll>; using veci=vector<int>; using vecpii=vector<pair<int,int>>; using vecll=vector<long long>; using vecpll=vector<pair<long long,long long>>; using vecpdd=vector<pair<long double,long double>>; using vecs=vector<string>; using vecb=vector<bool>; using vecd=vector<long double>; using vectp=vector<tp>; using vectpll=vector<tpll>; using mint=modint998244353; using mint10=modint1000000007; template<typename T, typename S> istream& operator>>(istream& in, pair<T, S>& a){return in >> a.first >> a.second;} template<typename T, typename S> ostream& operator<<(ostream& out, const pair<T, S>& a){return out << a.first << ' ' << a.second;} ostream& operator<<(ostream& out, const mint& a){return out << a.val();} ostream& operator<<(ostream& out, const mint10& a){return out << a.val();} ostream& operator<<(ostream& out, const modint& a){return out << a.val();} template<typename T> ostream& operator<<(ostream& out, const vector<T>& d){for(int i = 0 ; i < d.size() ; ++i) out << d[i] << (i == d.size() - 1 ? "" : " "); return out;} template<typename T, typename S> pair<T, S> operator+(const pair<T, S>& a, const pair<T, S>& b){return {a.fi + b.fi, a.se + b.se};} template<typename T, typename S> pair<T, S> operator-(const pair<T, S>& a, const pair<T, S>& b){return {a.fi - b.fi, a.se - b.se};} template<class T> inline bool chmax(T& a,T b){if(a<b) {a=b;return true;} return false;} template<class T> inline bool chmin(T& a,T b){if(a>b) {a=b;return true;} return false;} bool Judge(int i, int j, int h, int w){return i < 0 || j < 0 || i >= h || j >= w;} bool PrintA(int i){cout<<(i ? "Yes" : "No")<<endl;return i;} constexpr ll INF=numeric_limits<ll>::max() >> 2; constexpr int inf=numeric_limits<int>::max() >> 1; constexpr ll MOD=998244353; const int vi[] = {0, 1, 0, -1}, vj[] = {1, 0, -1, 0}; template<typename... Args> void LogOutput(Args&&... args){ stringstream ss; ((ss << args << ' '), ...); cout << ss.str().substr(0, ss.str().length() - 1) << endl; } template<typename T> void LogOutput(vector<vector<T>>& data){for(auto d : data) LogOutput(d);} int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int n;ll y; cin>>n>>y; vecs s(n); rep(i, n) cin>>s[i]; auto f = [&](ll k){ vecll a; rep(i, n){ if(s[i] == "+") a[a.size() - 2] += a.back(); else if(s[i] == "min") chmin(a[a.size() - 2], a.back()); else if(s[i] == "max") chmax(a[a.size() - 2], a.back()); else{ if(s[i] == "X") a.push_back(k); else a.push_back(stoi(s[i])); continue; } a.pop_back(); } return a[0]; }; ll l = -1, r = y; while(r - l > 1){ ll mid = (l + r) / 2; if(f(mid) < y) l = mid; else r = mid; } if(f(r) == y) cout<<r<<endl; else cout<<-1<<endl; }