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back to boardaccepted //#pragma GCC optimize("Ofast,no-stack-protector") //#pragma GCC target("avx") #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds; using namespace std;
#define re return #define pb push_back #define eb emplace_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; typedef tree <pair<int, char>, null_type, less<pair<int, char>>, rb_tree_tag, tree_order_statistics_node_update> _tree; int main() { string a = "tram", b = "trolleybus", str; int ans = 0; while (cin >> str) { fo(i, (int)str.size() - (int)a.size() + 1) { if (str.substr(i, a.size()) != a) continue; if (!i && (str.size() == a.size() || 'a' > str[a.size()] || str[a.size()] > 'z')) ++ans; if (i && ('a' > str[i - 1] || str[i - 1] > 'z') && (i + a.size() == str.size() || 'a' > str[i + a.size()] || str[i + a.size()] > 'z')) ++ans; } fo(i, (int)str.size() - (int)b.size() + 1) { if (str.substr(i, b.size()) != b) continue; if (!i && (str.size() == b.size() || 'a' > str[b.size()] || str[b.size()] > 'z')) --ans; if (i && ('a' > str[i - 1] || str[i - 1] > 'z') && (i + b.size() == str.size() || 'a' > str[i + b.size()] || str[i + b.size()] > 'z')) --ans; } } if (ans > 0) cout << "Tram driver\n"; else if (ans < 0) cout << "Trolleybus driver\n"; else cout << "Bus driver\n"; } |
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