QOJ.ac

QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#570403	#9320. Find the Easiest Problem	viliant	WA	8ms	3552kb	C++20	623b	2024-09-17 15:40:43	2024-09-17 15:40:43

Judging History

你现在查看的是最新测评结果

[2024-09-17 15:40:43]
评测

测评结果：WA
用时：8ms
内存：3552kb

查看

[2024-09-17 15:40:43]
提交

answer

#include<bits/stdc++.h> 
using namespace std;

void easy(){
	int n;
	cin >> n;
	string name,result;
	char problem;
	set<string> s[26];//下标为题号，对应元素为set 存储AC该题的队名（去重） 
	for(int i = 0;i < n;i++){
		cin >> name >> problem >> result;
		int x = problem - 'A';
		s[x].insert(name);
	}
	char k = 0,max = 0;
	for(int i = 0;i < 26;i++){
		if(s[i].size() > max){
			k = i +'A';
			max = s[i].size();
		}
	}
	cout << k << endl;
}

int main() {
        ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int t;
	cin >> t;
	while(t--){
		easy();
	};
	return 0;
}

Source code, Language: C++20

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 0ms

memory: 3532kb

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: 8ms

memory: 3552kb

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:

P
E
C
H
A
I
N
F
E
K
H
I
F
B
X
L
R
O
A
H
J
F
I
H
A
A
A
Q
V
T
K
A
F
A
H
G
L
E
S
D
G
D
Q
Y
J
V
H
C
C
O
J
V
T
B
U
E
I
T
C
O
V
H
Z
I
G
O
N
F
O
G
I
B
E
A
D
J
L
A
K
B
J
S
U
V
Z
A
K
A
S
P
D
H
G
J
H
W
I
I
E
G
H
A
F
L
D
V
E
S
B
R
H
K
Q
G
P
C
W
B
F
T
I
F
E
K
P
U
Q
R
N
V
O
N
N
G
L
H
A
J
E
U
J
R
Y
K
F
F
T
F
B
H
...

result:

wrong answer 1st lines differ - expected: 'Z', found: 'P'