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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#574633 | #9320. Find the Easiest Problem | xingliu | WA | 10ms | 3656kb | C++20 | 1.5kb | 2024-09-18 23:23:38 | 2024-09-18 23:23:40 |
Judging History
answer
/**
* author: xing huan liu kong
* created: 2024-09-18 23:16:29
*
* 即使这个图论(world)大的无边无际
* 我也会深度优先搜索(dfs)找到你..
**/
#include <bits/stdc++.h>
#define ll long long
#define endl '\n'
using namespace std;
#define int long long
typedef pair<int, int> PII;
const int mod = 1e9 + 7;
const int N = 1e6 + 10;
void solve()
{
int n;
cin >> n;
map<string, set<string>> ma;
int ans = 0;
while (n -- ) {
string a, b, c;
cin >> a >> b >> c;
if (c == "accepted") {
ma[b].insert(a);
ans = max(ans, (int)ma[b].size());
}
}
string t = "#";
for (auto [u, se] : ma) {
if ((int)se.size() == ans) {
if (t == "#") t = u;
else {
vector<string> v1, v2;
for (auto i : ma[u]) v1.push_back(i);
for (auto i : ma[t]) v2.push_back(i);
for (int i = 0; i < v1.size(); i ++ ) {
if (v1[i] < v2[i]) {
t = u;
break;
}
else if (v1[i] > v2[i]) {
break;
}
}
}
}
}
cout << t << endl;
}
signed main(void)
{
ios_base::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
int t = 1;
cin >> t;
while(t -- ){
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3580kb
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: 10ms
memory: 3656kb
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:
Z P Z I B I G H S T K I H R Z L W O I P P B I B A O A Z Q O S O R Z H G S E S D G M R C U V W P A O P E A B U N Q T L O V A Z N E V Q J B G O O E M A U L A K W J S E W Z K K I S P X M L G H Y J P T J O P X N C V Y Z S Q J H Q T O C E P U V I U E I P K I R X N R N O Q L I X I H Z J Z Y K G F V N B X ...
result:
wrong answer 2nd lines differ - expected: 'E', found: 'P'