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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#806288 | #9871. Just another Sorting Problem | jayket | WA | 0ms | 3592kb | C++23 | 1.5kb | 2024-12-09 03:21:09 | 2024-12-09 03:21:10 |
Judging History
answer
#include<bits/stdc++.h>
using u32 = unsigned int;
using i64 = long long;
using u64 = unsigned long long;
using f64 = long double;
using i128 = __int128;
using u128 = unsigned __int128;
using f128 = __float128;
#ifndef ONLINE_JUDGE
#include "algo/debug.hpp"
#else
#define debug(...) (void)42
#endif
template<class T>
constexpr bool chmax(T& x, T y) {
if (y > x) {
x = y;
return true;
}
return false;
}
template<class T>
constexpr bool chmin(T& x, T y) {
if (y < x) {
x = y;
return true;
}
return false;
}
auto main() ->int32_t {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
std::cout << std::fixed << std::setprecision(13);
auto solve = [&]() {
int n;
std::string s;
std::cin >> n >> s;
std::vector<int>a(n + 1);
for (int i = 1; i <= n; i += 1) {
std::cin >> a[i];
}
int cnt = 0;
for (int i = 1; i <= n; i += 1) {
cnt += a[i] != i;
}
auto answer = [&](const std::string & s) {
std::cout << s << '\n';
};
if (n == 2) {
answer("Alice");
} else if (n == 3) {
if (cnt == 2) {
answer(s);
} else {
answer(s == "Alice" ? "Bob" : s);
}
} else {
answer("Bob");
}
};
int t;
std::cin >> t;
while (t--) {
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3484kb
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: 3484kb
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: 3592kb
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'