結果

問題 No.708 （＋ー）の式
ユーザー penguinshunya
提出日時 2019-06-18 02:36:09
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 2,498 bytes
コンパイル時間 2,084 ms
コンパイル使用メモリ 194,320 KB
最終ジャッジ日時 2025-01-07 04:56:00
ジャッジサーバーID
（参考情報） 		judge3 / judge1
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 * 3
other AC * 12
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘void solve()’:
main.cpp:56:13: warning: ‘tacc’ may be used uninitialized [-Wmaybe-uninitialized]
   56 |         acc = tacc + acc;
      |         ~~~~^~~~~~~~~~~~
main.cpp:44:16: note: ‘tacc’ was declared here
   44 |   int acc = 0, tacc;
      |                ^~~~

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < int(n); i++)
#define rrep(i, n) for (int i = int(n) - 1; i >= 0; i--)
#define reps(i, n) for (int i = 1; i <= int(n); i++)
#define rreps(i, n) for (int i = int(n); i >= 1; i--)
#define repc(i, n) for (int i = 0; i <= int(n); i++)
#define rrepc(i, n) for (int i = int(n); i >= 0; i--)
#define repi(i, a, b) for (int i = int(a); i < int(b); i++)
#define repic(i, a, b) for (int i = int(a); i <= int(b); i++)
#define each(x, y) for (auto &x : y)
#define all(a) (a).begin(), (a).end()
#define bit(b) (1ll << (b))
#define uniq(v) (v).erase(unique(all(v)), (v).end())
using namespace std;
using i32 = int;
using i64 = long long;
using f80 = long double;
using vi32 = vector<i32>;
using vi64 = vector<i64>;
using vf80 = vector<f80>;
using vstr = vector<string>;
inline void yes() { cout << "Yes" << '\n'; exit(0); }
inline void no() { cout << "No" << '\n'; exit(0); }
inline i64 gcd(i64 a, i64 b) { if (min(a, b) == 0) return max(a, b); if (a % b == 0) return b; return gcd(b, a % b); }
inline i64 lcm(i64 a, i64 b) { return a / gcd(a, b) * b; }
void solve(); int main() { ios::sync_with_stdio(0); cin.tie(0); cout << fixed << setprecision(16); solve(); return 0; }
template <typename T> class pqasc : public priority_queue<T, vector<T>, greater<T>> {};
template <typename T> class pqdesc : public priority_queue<T, vector<T>, less<T>> {};
template <typename T> inline void amax(T &x, T y) { if (x < y) x = y; }
template <typename T> inline void amin(T &x, T y) { if (x > y) x = y; }
template <typename T> inline T power(T x, i64 n, T e = 1) { T r = e; while (n > 0) { if (n & 1) r *= x; x *= x; n >>= 1; } return r; }
template <typename T> istream& operator>>(istream &is, vector<T> &v) { for (auto &x : v) is >> x; return is; }
template <typename T> ostream& operator<<(ostream &os, const vector<T> &v) { rep(i, v.size()) { if (i) os << ' '; os << v[i]; } return os; }
void solve() {
  string s;
  cin >> s;
  int n = s.size();
  int acc = 0, tacc;
  bool m = false, tm = false;
  rep(i, n) {
    if (s[i] == '(') {
      tacc = acc;
      tm = m;
      acc = 0;
      m = false;
    } else if (s[i] == ')') {
      if (tm) {
        acc = tacc - acc;
      } else {
        acc = tacc + acc;
      }
    } else if (s[i] == '+') {
      m = false;
    } else if (s[i] == '-') {
      m = true;
    } else {
      if (m) {
        acc -= s[i] - '0';
      } else {
        acc += s[i] - '0';
      }
    }
  }
  cout << acc << '\n';
}
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