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## Discussion of Problem 1226. esreveR redrO

Accepted
Posted by Mikhail 12 Mar 2018 18:28
#include <bits/stdc++.h>
using namespace std;

#define re return
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define fi first
#define se second
#define sqrt(x) sqrt(abs(x))
#define mp make_pair
#define pi (3.14159265358979323846264338327950288419716939937510)
#define fo(i, n) for(int i = 0; i < n; ++i)
#define ro(i, n) for(int i = n - 1; i >= 0; --i)
#define unique(v) v.resize(unique(all(v)) - v.begin())

template <class T> T abs (T x) { re x > 0 ? x : -x; }
template <class T> T sqr (T x) { re x * x; }
template <class T> T gcd (T a, T b) { re a ? gcd (b % a, a) : b; }
template <class T> int sgn (T x) { re x > 0 ? 1 : (x < 0 ? -1 : 0); }

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<string> vs;
typedef double D;
typedef long double ld;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef vector<ll> vll;
typedef unsigned long long ull;

vi l, r;

int main() {
//freopen("input.txt", "r", stdin);
string str;
while (getline(cin, str)) {
l.clear(), r.clear();
if (isalpha(str[0])) l.pb(0);
fo(i, (int)str.size() - 1) {
if (!isalpha(str[i]) && isalpha(str[i + 1])) l.pb(i + 1);
if (isalpha(str[i]) && !isalpha(str[i + 1])) r.pb(i + 1);
}
if (isalpha(str.back())) r.pb(str.size());
fo(i, l.size()) reverse(str.begin() + l[i], str.begin() + r[i]);
cout << str << '\n';
str.clear();
}
}