結果
問題 | No.708 (+ー)の式 |
ユーザー | syndrome |
提出日時 | 2023-06-09 13:49:39 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 2,979 bytes |
コンパイル時間 | 1,909 ms |
コンパイル使用メモリ | 206,452 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-10 08:45:16 |
合計ジャッジ時間 | 2,582 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
ソースコード
// (◕ᴗ◕✿) #include <bits/stdc++.h> // #include <atcoder/all> // using namespace atcoder; // using mint = modint1000000007; // using mint = modint998244353; // using vmint = vc<mint>;using vvmint = vc<vmint>; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define srep(i, s, n) for (int i = s; i < n; i++) #define drep(i, n) for (int i = n; i >= 0; i--) #define dsrep(i, s, n) for (int i = s; i >= n; i--) #define len(x) ((int)(x).size()) #define all(x) (x).begin(), (x).end() #define YES(n) cout << ((n) ? "YES" : "NO" ) << endl #define Yes(n) cout << ((n) ? "Yes" : "No" ) << endl using namespace std; template<typename T> using vc = vector<T>; template<typename T> using vv = vc<vc<T>>; using vi = vc<int>;using vvi = vv<int>; using vvvi = vv<vi>; using ll = long long;using vl = vc<ll>;using vvl = vv<ll>; using vvvl = vv<vl>; using ld = long double; using vld = vc<ld>; using vvld = vc<vld>; using vvvld = vc<vvld>; using uint = unsigned int; using ull = unsigned long long; using pii = pair<int, int>; const double pi = 3.141592653589793; const int inf = 0x3f3f3f3f; const ll INF = 0x3f3f3f3f3f3f3f3f; // const int mod = 1000000007; const int mod = 998244353; inline bool inside(long long y, long long x, long long H, long long W) {return 0 <= y and y < H and 0 <= x and x < W; } struct phash{ inline size_t operator()(const pair<int,int> & p) const{ const auto h1 = hash<int>()(p.first); const auto h2 = hash<int>()(p.second); return h1 ^ (h2 << 1); } }; typedef string :: const_iterator State; int expression(State &begin); int factor(State &begin); int number(State &begin); void consume(State &begin, set<char> expected); class ParseError {}; int number(State &begin){ int ret = 0; while (isdigit(*begin)){ ret *= 10; ret += *begin - '0'; begin++; } return ret; } int factor(State &begin){ int ret = 0; if (*begin == '('){ begin++; ret += expression(begin); consume(begin, {')'}); }else ret = number(begin); return ret; } int expression(State &begin){ int ret = factor(begin); for (;;){ if (*begin == '+'){ begin++; ret += factor(begin); }else if (*begin == '-'){ begin++; ret -= factor(begin); } else break; } return ret; } void consume(State &begin, set<char> expected){ if (expected.count(*begin)){ begin++; }else{ cout << "Expected "; for (auto it = expected.begin(); it != expected.end(); it++){ if (it != expected.begin()) cout << " or "; cout << *it; } cout << " but got " << *begin << endl; cout << "rest : "; while (*begin){ cout << *begin++; } cout << endl; throw ParseError(); } } int main(){ string S; cin >> S; State begin = S.begin(); cout << expression(begin) << endl; }