Submission #769327

Source Code Expand

#include <iostream>
#include <string>

using namespace std;

int main() {
	int n;
	cin >> n;
	int cnt = 0;
	bool flag = true;
	for (int i = 0; i < n; ++i) {
		string s;
		cin >> s;
		if (s == "A") {
			++cnt;
		} else {
			--cnt;
		}
		if (cnt < 0) flag = false;
	}
	if (flag && !cnt) {
		cout << "YES" << endl;
	} else {
		cout << "NO" << endl;
	}
}

Submission Info

Submission Time
Task A - 阿吽の呼吸
User s4ichi
Language C++14 (GCC 5.4.1)
Score 100
Code Size 377 Byte
Status AC
Exec Time 6 ms
Memory 256 KiB

Judge Result

Set Name All
Score / Max Score 100 / 100
Status
AC × 44
Set Name Test Cases
All 00_sample_00, 00_sample_01, 00_sample_02, 00_sample_03, 01_random_00, 01_random_01, 01_random_02, 01_random_03, 01_random_04, 01_random_05, 01_random_06, 01_random_07, 01_random_08, 01_random_09, 02_valid_00, 02_valid_01, 02_valid_02, 02_valid_03, 02_valid_04, 02_valid_05, 02_valid_06, 02_valid_07, 02_valid_08, 02_valid_09, 03_random_maximum_00, 03_random_maximum_01, 03_random_maximum_02, 03_random_maximum_03, 03_random_maximum_04, 03_random_maximum_05, 03_random_maximum_06, 03_random_maximum_07, 03_random_maximum_08, 03_random_maximum_09, 04_valid_maximum_00, 04_valid_maximum_01, 04_valid_maximum_02, 04_valid_maximum_03, 04_valid_maximum_04, 04_valid_maximum_05, 04_valid_maximum_06, 04_valid_maximum_07, 04_valid_maximum_08, 04_valid_maximum_09
Case Name Status Exec Time Memory
00_sample_00 AC 4 ms 256 KiB
00_sample_01 AC 4 ms 256 KiB
00_sample_02 AC 4 ms 256 KiB
00_sample_03 AC 4 ms 256 KiB
01_random_00 AC 4 ms 256 KiB
01_random_01 AC 4 ms 256 KiB
01_random_02 AC 4 ms 256 KiB
01_random_03 AC 4 ms 256 KiB
01_random_04 AC 4 ms 256 KiB
01_random_05 AC 4 ms 256 KiB
01_random_06 AC 4 ms 256 KiB
01_random_07 AC 4 ms 256 KiB
01_random_08 AC 4 ms 256 KiB
01_random_09 AC 4 ms 256 KiB
02_valid_00 AC 4 ms 256 KiB
02_valid_01 AC 4 ms 256 KiB
02_valid_02 AC 4 ms 256 KiB
02_valid_03 AC 4 ms 256 KiB
02_valid_04 AC 4 ms 256 KiB
02_valid_05 AC 4 ms 256 KiB
02_valid_06 AC 4 ms 256 KiB
02_valid_07 AC 4 ms 256 KiB
02_valid_08 AC 4 ms 256 KiB
02_valid_09 AC 4 ms 256 KiB
03_random_maximum_00 AC 4 ms 256 KiB
03_random_maximum_01 AC 4 ms 256 KiB
03_random_maximum_02 AC 4 ms 256 KiB
03_random_maximum_03 AC 4 ms 256 KiB
03_random_maximum_04 AC 4 ms 256 KiB
03_random_maximum_05 AC 4 ms 256 KiB
03_random_maximum_06 AC 4 ms 256 KiB
03_random_maximum_07 AC 4 ms 256 KiB
03_random_maximum_08 AC 4 ms 256 KiB
03_random_maximum_09 AC 4 ms 256 KiB
04_valid_maximum_00 AC 6 ms 256 KiB
04_valid_maximum_01 AC 6 ms 256 KiB
04_valid_maximum_02 AC 4 ms 256 KiB
04_valid_maximum_03 AC 4 ms 256 KiB
04_valid_maximum_04 AC 4 ms 256 KiB
04_valid_maximum_05 AC 5 ms 256 KiB
04_valid_maximum_06 AC 4 ms 256 KiB
04_valid_maximum_07 AC 5 ms 256 KiB
04_valid_maximum_08 AC 4 ms 256 KiB
04_valid_maximum_09 AC 4 ms 256 KiB