QOJ.ac
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 |
|---|---|---|---|---|---|---|---|---|---|
| #566739 | #9320. Find the Easiest Problem | Rapids | WA | 6ms | 3636kb | C++20 | 703b | 2024-09-16 01:26:03 | 2024-09-16 01:26:08 |
Judging History
answer
#include <bits/stdc++.h>
void solve() {
int n, max = -1;
std::cin >> n;
std::array<int, 26> cnt;
std::array<std::set<std::string>, 26> st;
for (int i = 0; i < n; i++) {
std::string a, b, c;
std::cin >> a >> b >> c;
if (c == "rejected" || st[b[0] - 'A'].count(a)) {
continue;
}
int idx = b[0] - 'A';
st[idx].insert(a);
cnt[idx] += 1;
max = std::max(max, cnt[idx]);
}
for (int i = 0; i < 26; i++) {
if (cnt[i] == max) {
std::cout << (char)(i + 'A') << '\n';
return;
}
}
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(0), std::cout.tie(0);
int t;
std::cin >> t;
while (t--) {
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3572kb
input:
2 5 teamA A accepted teamB B rejected teamC A accepted teamB B accepted teamD C accepted 4 teamA A rejected teamB A accepted teamC B accepted teamC B accepted
output:
A A
result:
ok 2 lines
Test #2:
score: -100
Wrong Answer
time: 6ms
memory: 3636kb
input:
1000 44 WaiooyIXa O accepted WaiooyIXa P accepted ZYYsNWag P accepted DPIawQg D rejected IzPdjnM Z rejected Ra D rejected kwQyGxLo I rejected DPIawQg L accepted kwQyGxLo I accepted mmWxDuADCB D rejected PXwVAOgwiz P rejected ZYYsNWag U accepted IzPdjnM Z accepted TgBNO P rejected kwQyGxLo J accepted...
output:
K Q W W K Q K W W W W W W M W M W W K K Q Q K W W W K K Q W W S M W Q K W W W W W M W O K K W W W K K W W K W W W W W W K W W W W W W U W T K W W M A K W K W W W W M W K W K W S W M K W Q W W K W W W W W W W W W W S W W W K K W K W Q K W K W W K K W W K K K Q W W W Q W W W W K U X W K K M W K M W K ...
result:
wrong answer 1st lines differ - expected: 'Z', found: 'K'