[SW Expert Academy] '1' #2805 농작물 수확하기 X

그냥 쉬운 문제

#include < iostream >
#include < string.h > // malloc
#include < string > // cin >> str

using namespace std;

int answer;
int sizeArr; 

int arr[49][49];

int main(void) {

	int tc;
	cin >> tc;

	for (int i = 1; i <= tc; i++) {
		
		// 입력 받기
		cin >> sizeArr;
		for (int r = 0; r < sizeArr; r++) {
			string str;
			cin >> str;
			for (int c = 0; c < sizeArr; c++) {
				arr[r][c] = str[c]-48;
			}
		}

		// 연산
		int half = sizeArr / 2;
		for (int r = 0; r < half; r++) {
			answer += arr[r][half];
			answer += arr[sizeArr-1-r][half];
			for (int k = 1; k <= r; k++) {
				answer += arr[r][half - k] + arr[r][half+k];
				answer += arr[sizeArr-1-r][half - k] + arr[sizeArr - 1 - r][half + k];
			}
		}

		answer += arr[half][half];
		for (int k = 1; k <= half; k++) {
			answer += arr[half][half-k] + arr[half][half + k];
		}

		cout << '#' << i << ' ' << answer << endl;
		answer = 0; // 초기화
	}
	return 0;
}