0和1組成的三角形

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user_6817964
c_cpp
2 years ago
321 B
2
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#include <stdio.h> // printf
int main()
{
	int n;
	scanf_s("%d", &n);
	for (int i = 1; i <= n; i++) {
		int flag;
		if (i % 2 == 0)
			flag = 1;
		else
			flag = 0;
		for (int j = 1; j <= i; j++) {
			if (flag == 1)
				flag = 0;
			else
				flag = 1;
			printf("%d", flag);
		}
		printf("\n");

	}
}
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