結果
問題 | No.2927 Reverse Polish Equation |
ユーザー | 👑 AngrySadEight |
提出日時 | 2024-10-12 16:30:15 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,938 bytes |
コンパイル時間 | 4,998 ms |
コンパイル使用メモリ | 223,700 KB |
実行使用メモリ | 11,576 KB |
最終ジャッジ日時 | 2024-10-16 00:26:30 |
合計ジャッジ時間 | 12,561 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 1 ms
5,248 KB |
testcase_07 | AC | 3 ms
5,248 KB |
testcase_08 | AC | 5 ms
5,248 KB |
testcase_09 | AC | 4 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 5 ms
5,248 KB |
testcase_12 | AC | 120 ms
5,248 KB |
testcase_13 | AC | 208 ms
6,272 KB |
testcase_14 | AC | 142 ms
5,376 KB |
testcase_15 | AC | 194 ms
6,272 KB |
testcase_16 | AC | 69 ms
5,248 KB |
testcase_17 | AC | 260 ms
7,168 KB |
testcase_18 | AC | 323 ms
8,192 KB |
testcase_19 | AC | 21 ms
5,248 KB |
testcase_20 | AC | 253 ms
7,040 KB |
testcase_21 | AC | 406 ms
9,216 KB |
testcase_22 | AC | 38 ms
5,248 KB |
testcase_23 | AC | 1 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 | 342 ms
8,448 KB |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | AC | 26 ms
5,248 KB |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | AC | 336 ms
8,320 KB |
testcase_37 | AC | 111 ms
5,248 KB |
testcase_38 | AC | 400 ms
9,088 KB |
testcase_39 | AC | 159 ms
5,632 KB |
testcase_40 | AC | 326 ms
8,320 KB |
testcase_41 | AC | 275 ms
7,296 KB |
testcase_42 | AC | 253 ms
11,452 KB |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <algorithm> #include <atcoder/all> #include <bitset> #include <cassert> #include <cmath> #include <ctime> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int, int> #define pil pair<int, ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int, int>> #define vpll vector<pair<ll, ll>> #define vvpii vector<vector<pair<int, int>>> #define vvpll vector<vector<pair<ll, ll>>> using mint = modint998244353; template <typename T> void debug(T e) { cerr << e << endl; } template <typename T> void debug(vector<T> &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template <typename T> void debug(vector<vector<T>> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template <typename T> void debug(vector<pair<T, T>> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template <typename T> void debug(set<T> &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(multiset<T> &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(map<T, T> &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } ll solve(ll Q, vector<string> &s, ll X) { ll last_val = 0; vector<ll> vec(0); ll len = vec.size(); for (ll i = 0; i < Q; i++) { if (s[i] == "+" || s[i] == "min" || s[i] == "max") { ll val1 = vec[len - 1]; ll val2 = vec[len - 2]; vec.pop_back(); vec.pop_back(); if (s[i] == "+") { vec.push_back(val1 + val2); } else if (s[i] == "min") { vec.push_back(min(val1, val2)); } else { vec.push_back(max(val1, val2)); } len--; } else if (s[i] == "X") { vec.push_back(X); len++; } else { vec.push_back(stoll(s[i])); len++; } } // debug(vec); last_val = vec[0]; return last_val; } int main() { ll Q, Y; cin >> Q >> Y; vector<string> s(Q); for (ll i = 0; i < Q; i++) { cin >> s[i]; } ll ng = -1; ll ok = 10000000023; while (ok - ng > 1) { ll mid = (ok + ng) / 2; ll solved = solve(Q, s, mid); if (solved < Y) { ng = mid; } else { ok = mid; } // debug_out(mid, solved); } if (solve(Q, s, ok) != Y) { cout << -1 << endl; } else { cout << ok << endl; } }