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 |
---|---|---|---|---|---|---|---|---|---|
#585064 | #9320. Find the Easiest Problem | BerryPie | WA | 26ms | 8548kb | C++20 | 1.3kb | 2024-09-23 18:43:05 | 2024-09-23 18:43:05 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 100000+5;
int n, cnt1, cnt2;
string ans;
string ss[MAXN];
vector<int> vec[MAXN];
map<string, int> mp1, mp2;
int find1(string s){
if(mp1.count(s)){
return mp1[s];
}
return mp1[s] = ++cnt1;
}
int find2(string s){
if(mp2.count(s)){
return mp2[s];
}
ss[++cnt2] = s;
return mp2[s] = cnt2;
}
int main(){
int kase;
cin >> kase;
while(kase--){
cin >> n;
cnt1 = 0;
cnt2 = 0;
mp1.clear();
mp2.clear();
for(int i = 0; i < n; i++){
string s1, s2, s3;
cin >> s1 >> s2 >> s3;
if(s3 != "accepted") continue;
int a = find1(s1);
int b = find2(s2);
// cout << a << " " << b << "\n";
vec[b].push_back(a);
}
int mx = 0;
ans = "";
for(int i = 1; i <= cnt2; i++){
sort(vec[i].begin(), vec[i].end());
vec[i].erase(unique(vec[i].begin(), vec[i].end()), vec[i].end());
int tmp = vec[i].size();
if(tmp > mx || (tmp == mx && ss[i] < ans)){
mx = tmp;
ans = ss[i];
}
}
cout << ans << "\n";
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 8548kb
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: 26ms
memory: 6812kb
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 C Z I K B G G V L K A F M A L K A X A Q B A B C I A B F E A A D C D G B A B B C D A C D A A C A C J A A A A A A B B A A A A A B A C A A G C A E A A A E A B B A B A B A A F B A C C C C A A F A A A A B A B A A A A A A B B A B B A A A A B B A A A B A A B A G B A A G B A A A A B A A A B A A F B A B H ...
result:
wrong answer 2nd lines differ - expected: 'E', found: 'C'