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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 |
---|---|---|---|---|---|---|---|---|---|
#570574 | #9320. Find the Easiest Problem | SocialPanda | WA | 3ms | 3628kb | C++20 | 1.2kb | 2024-09-17 16:33:19 | 2024-09-17 16:33:25 |
Judging History
answer
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
//#define int long long
//#define LL long long
#define double long double
//#define lf Lf
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define endl "\n"
#define PII pair<int,int>
#define Gheap priority_queue<int,vector<int>,greater<int>>
#define Lheap priority_queue<int>
#define MAXN 0x3f3f3f3f
#define MINN -0x3f3f3f3f
using namespace std;
//const int N=1e6+100,M=2*N;
//int e[N],w[M],h[M],ne[M],idx;
void solve()
{
unordered_map<string,int> tt,pr;
int n;cin>>n;
for(int i=1;i<=n;i++)
{
string team,id,status;
cin>>team>>id>>status;
if(status=="accepted")
{
if(tt[team]==0) pr[id]++;
tt[team]=1;
}
}
string ans;
int num=0;
for(auto z:pr)
{
if(z.se>num)
{
num=z.se;
ans=z.fi;
}
else if(z.se==num and ans>z.fi)
{
ans=z.fi;
}
}
cout<<ans<<endl;
}
int main()
{
std::ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int tt=1;
cin >> tt;
while(tt--) solve();
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3504kb
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: 3ms
memory: 3628kb
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:
O P P A B I N H V A T I F R E C N F I V A B S B A O A E F O F A Y O H G K Z B F F D R C U T W I A I J A K L I M C C B A V O F A E A H R B G J O F H D B E A B W H M O I B E F W A E P H F N J Y K P V X O B P I K X L Z H Q B D B T F C B U F L A H T I G A C R G V A N O N K I M R H N J K F K A G N F B H ...
result:
wrong answer 1st lines differ - expected: 'Z', found: 'O'