結果
問題 | No.2927 Reverse Polish Equation |
ユーザー | Andrew8128 |
提出日時 | 2024-10-12 15:42:16 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 232 ms / 2,000 ms |
コード長 | 3,422 bytes |
コンパイル時間 | 3,357 ms |
コンパイル使用メモリ | 258,440 KB |
実行使用メモリ | 13,140 KB |
最終ジャッジ日時 | 2024-10-16 00:23:44 |
合計ジャッジ時間 | 7,985 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 2 ms
6,820 KB |
testcase_07 | AC | 3 ms
6,816 KB |
testcase_08 | AC | 4 ms
6,820 KB |
testcase_09 | AC | 3 ms
6,820 KB |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | AC | 3 ms
6,816 KB |
testcase_12 | AC | 72 ms
6,820 KB |
testcase_13 | AC | 122 ms
6,820 KB |
testcase_14 | AC | 85 ms
6,816 KB |
testcase_15 | AC | 117 ms
6,816 KB |
testcase_16 | AC | 38 ms
6,816 KB |
testcase_17 | AC | 151 ms
7,048 KB |
testcase_18 | AC | 190 ms
8,036 KB |
testcase_19 | AC | 14 ms
6,820 KB |
testcase_20 | AC | 152 ms
7,040 KB |
testcase_21 | AC | 232 ms
9,060 KB |
testcase_22 | AC | 23 ms
6,824 KB |
testcase_23 | AC | 2 ms
6,816 KB |
testcase_24 | AC | 2 ms
6,820 KB |
testcase_25 | AC | 2 ms
6,816 KB |
testcase_26 | AC | 2 ms
6,820 KB |
testcase_27 | AC | 210 ms
8,228 KB |
testcase_28 | AC | 169 ms
7,528 KB |
testcase_29 | AC | 24 ms
6,816 KB |
testcase_30 | AC | 193 ms
8,096 KB |
testcase_31 | AC | 15 ms
6,816 KB |
testcase_32 | AC | 44 ms
6,820 KB |
testcase_33 | AC | 83 ms
6,820 KB |
testcase_34 | AC | 104 ms
6,820 KB |
testcase_35 | AC | 2 ms
6,816 KB |
testcase_36 | AC | 194 ms
8,232 KB |
testcase_37 | AC | 6 ms
6,816 KB |
testcase_38 | AC | 21 ms
8,916 KB |
testcase_39 | AC | 94 ms
6,820 KB |
testcase_40 | AC | 16 ms
7,964 KB |
testcase_41 | AC | 154 ms
7,096 KB |
testcase_42 | AC | 161 ms
13,140 KB |
testcase_43 | AC | 184 ms
13,012 KB |
testcase_44 | AC | 207 ms
13,140 KB |
testcase_45 | AC | 153 ms
12,392 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define REP(i, x, y) for (auto i = (x); i < (y); i++) #define RREP(i, x, y) for (auto i = (y) - 1; (x) <= i; i--) #define ALL(x) (x).begin(), (x).end() #pragma GCC optimize("O3") #define lll __int128 string to_string(lll value){ lll tmp = value < 0 ? -value : value; string ret; do { ret += (tmp % 10)+'0'; tmp /= 10; } while (tmp != 0); if(value < 0){ ret += '-'; } reverse(ret.begin(),ret.end()); return ret; } ostream &operator<<(ostream &dest, lll value) { dest << to_string(value); return dest; } lll stolll(string &s) { if(s=="")return 0; lll ret = 0; for (int i = 0; i < ssize(s); i++) if ('0' <= s[i] && s[i] <= '9') ret = 10 * ret + s[i] - '0'; if(s[0]=='-') return -ret; return ret; } istream &operator>>(istream &is, __int128_t &value){ string s; is >> s; value = stolll(s); return is; } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); lll Q, Y; cin >> Q >> Y; vector<string> S(Q); REP(i, 0, Q){ cin >> S[i]; } { vector<lll> A; REP(i, 0, Q){ if(S[i] == "X"){ A.push_back(110000000000000ll); }else if(S[i] == "+"){ lll tmp = A[ssize(A)-1] + A[ssize(A)-2]; A.pop_back(); A.pop_back(); A.push_back(tmp); }else if(S[i] == "min"){ lll tmp = min(A[ssize(A)-1], A[ssize(A)-2]); A.pop_back(); A.pop_back(); A.push_back(tmp); }else if(S[i] == "max"){ lll tmp = max(A[ssize(A)-1], A[ssize(A)-2]); A.pop_back(); A.pop_back(); A.push_back(tmp); }else{ A.push_back(stolll(S[i])); } } if(A[0] < Y){ cout << -1 << "\n"; return 0; } } lll l = -1, r = 110000000000000ll; while(1){ if(l + 1 == r)break; lll c = (l + r) / 2; vector<lll> A; REP(i, 0, Q){ if(S[i] == "X"){ A.push_back(c); }else if(S[i] == "+"){ lll tmp = A[ssize(A)-1] + A[ssize(A)-2]; A.pop_back(); A.pop_back(); A.push_back(tmp); }else if(S[i] == "min"){ lll tmp = min(A[ssize(A)-1], A[ssize(A)-2]); A.pop_back(); A.pop_back(); A.push_back(tmp); }else if(S[i] == "max"){ lll tmp = max(A[ssize(A)-1], A[ssize(A)-2]); A.pop_back(); A.pop_back(); A.push_back(tmp); }else{ A.push_back(stolll(S[i])); } } // cerr << c << " " << A[0] << "\n"; if(Y <= A[0]){ r = c; }else{ l = c; } // cerr << "l " << l << " r " << r << "\n"; } { vector<lll> A; REP(i, 0, Q){ if(S[i] == "X"){ A.push_back(r); }else if(S[i] == "+"){ lll tmp = A[ssize(A)-1] + A[ssize(A)-2]; A.pop_back(); A.pop_back(); A.push_back(tmp); }else if(S[i] == "min"){ lll tmp = min(A[ssize(A)-1], A[ssize(A)-2]); A.pop_back(); A.pop_back(); A.push_back(tmp); }else if(S[i] == "max"){ lll tmp = max(A[ssize(A)-1], A[ssize(A)-2]); A.pop_back(); A.pop_back(); A.push_back(tmp); }else{ A.push_back(stolll(S[i])); } } if(A[0] == Y){ cout << r << "\n"; }else{ cout << -1 << "\n"; } } return 0; } /* File : ~/yukicoder/midoriika_3rd/I.cpp Date : 2024/10/12 Time : 15:15:17 */