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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#802552#9871. Just another Sorting Problemucup-team5234#WA 0ms3852kbC++232.9kb2024-12-07 14:00:082024-12-07 14:00:11

Judging History

你现在查看的是最新测评结果

  • [2024-12-07 14:00:11]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3852kb
  • [2024-12-07 14:00:08]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;
#define SZ(x) (int) (x).size()
#define REP(i, n) for(int i = 0; i < (n); i++)
#define FOR(i, a, b) for(auto i = (a); i < (b); i++)
#define For(i, a, b, c) \
	for(auto i = (a); i != (b); i += (c))
#define REPR(i, n) for(auto i = (n) - 1; i >= 0; i--)
#define ALL(s) (s).begin(), (s).end()
#define so(V) sort(ALL(V))
#define rev(V) reverse(ALL(V))
#define uni(v) v.erase(unique(ALL(v)), (v).end())
#define eb emplace_back

typedef unsigned long long ull;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<bool> vb;
typedef vector<vi> vvi;
typedef vector<vll> vvll;
typedef pair<int, int> PI;
typedef pair<ll, ll> PL;
const double EPS = 1e-6;
const int MOD = 1e9 + 7;
const int INF = (1 << 30);
const ll LINF = 1e18;
const double math_PI = acos(-1);

template<typename T>
vector<T> make_v(size_t a) {
	return vector<T>(a);
}

template<typename T, typename... Ts>
auto make_v(size_t a, Ts... ts) {
	return vector<decltype(make_v<T>(ts...))>(
		a, make_v<T>(ts...));
}

template<typename T, typename V>
typename enable_if<is_class<T>::value == 0>::type fill_v(
	T &t, const V &v) {
	t = v;
}

template<typename T, typename V>
typename enable_if<is_class<T>::value != 0>::type fill_v(
	T &t, const V &v) {
	for(auto &e: t) fill_v(e, v);
}

template<class T>
bool chmax(T &a, const T &b) {
	if(a < b) {
		a = b;
		return true;
	}
	return false;
}

template<class T>
bool chmin(T &a, const T &b) {
	if(a > b) {
		a = b;
		return true;
	}
	return false;
}

template<typename S, typename T>
istream &operator>>(istream &is, pair<S, T> &p) {
	cin >> p.first >> p.second;
	return is;
}

template<typename T>
istream &operator>>(istream &is, vector<T> &vec) {
	for(T &x: vec) is >> x;
	return is;
}

template<typename T>
string join(vector<T> &vec, string splitter) {
	stringstream ss;
	REP(i, SZ(vec)) {
		if(i != 0) ss << splitter;
		ss << vec[i];
	}
	return ss.str();
}

template<typename T>
ostream &operator<<(ostream &os, vector<T> &vec) {
	os << join(vec, " ");
	return os;
}

#ifdef LOCAL
#include "./cpp-dump/dump.hpp"
#include "./cpp-dump/mytypes.hpp"
#define dump(...) cpp_dump(__VA_ARGS__)
namespace cp = cpp_dump;
#else
#define dump(...)
#define preprocess(...)
#define CPP_DUMP_SET_OPTION(...)
#define CPP_DUMP_DEFINE_EXPORT_OBJECT(...)
#define CPP_DUMP_DEFINE_EXPORT_ENUM(...)
#define CPP_DUMP_DEFINE_DANGEROUS_EXPORT_OBJECT(...)
#endif

void solve() {
	int N;
	string S;
	cin >> N >> S;
	vi V(N);
	cin >> V;
	int cnt = 0;
	REP(i, N) {
		if(i + 1 != V[i]) cnt++;
	}
	if(N == 2) {
		cout << "Alice" << endl;
	} else if((cnt == 0 || cnt == 2) && S == "Alice") {
		cout << "Alice" << endl;
	} else {
		cout << "Bob" << endl;
	}
}

int main() {
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	int T;
	cin >> T;
	while(T--) {
		solve();
	}
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3852kb

input:

3
2 Alice
2 1
3 Bob
1 3 2
10 Bob
1 2 3 4 5 6 7 8 10 9

output:

Alice
Bob
Bob

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 3784kb

input:

2
2 Alice
2 1
2 Bob
2 1

output:

Alice
Alice

result:

ok 2 lines

Test #3:

score: -100
Wrong Answer
time: 0ms
memory: 3564kb

input:

10
3 Bob
2 3 1
3 Alice
3 1 2
3 Bob
3 1 2
3 Alice
1 3 2
3 Alice
3 2 1
3 Bob
2 1 3
3 Bob
1 3 2
3 Alice
2 1 3
3 Alice
2 3 1
3 Bob
3 2 1

output:

Bob
Bob
Bob
Alice
Alice
Bob
Bob
Alice
Bob
Bob

result:

wrong answer 1st lines differ - expected: 'Alice', found: 'Bob'