提出 #583558

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ソースコード 拡げる

#include <bits/stdc++.h>
#define FOR(i, a, b) for(int (i) = (a); (i) <= (b); ++(i))
#define rep(i, n) FOR(i, 0, n - 1)
#define rep1(i, n) FOR(i, 1, n)
#define rrep(i, n) for(int (i) = (n) - 1; (i) >= 0; --(i))
#define all(a) (a).begin(),(a).end()
#define PB push_back
using namespace std;
using ll = long long int;
using vb = vector<bool>;
using vi = vector<int>;
using vd = vector<double>;
using vll = vector<ll>;
using vvb = vector<vb>;
using vvi = vector<vi>;
using vvd = vector<vd>;
using vvll = vector<vll>;
using vvvi = vector<vvi>;
using vvvd = vector<vvd>;
// using P = pair<int, int>;
const int INF = 0x7fffffff;
const ll divisor = 1000000007;

int main(){
  string S;
  cin >> S;
  int L = S.size();

  string ans = "";
  int exc = 0;
  int dash = 0;
  rep(i, L){
    if(S[i] == '!') exc++;
    else if(exc == 0) dash++;
  }
  if(dash % 2 == 1) ans += "-";
  if(exc > 0 && exc % 2 == 1) ans += "!";
  else if(exc > 0 && exc % 2 == 0) ans += "!!";
  cout << ans << endl;
  return 0;
}

提出情報

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