C++统计数字个数并求和

void 统计数字个数并求和()
{//缘由https://ask.csdn.net/questions/912419
	int i = 0, j = 0, n = 0, m[10] = { 0 };
	char s[100];
	string shuchu = "", hecheng = "";
	cin >> n;
	while (n--)
	{
		cin >> s;
		while (s[i] != '')
		if (s[i] >= '0'&& s[i] <= '9')
		{
			j += (s[i] - '0');
			m[(s[i++] - '0')]++;
		}
		i = 10;
		while (i--) if (m[i])hecheng = to_string(i) + ":" + to_string(m[i]) + "n" + hecheng, m[i] = 0;
		shuchu += hecheng + to_string(j) + "n";
		j = i = 0; hecheng = "";
	}
	cout << shuchu << endl;
}

void 统计字符串中的数字个数()
{//缘由https://ask.csdn.net/questions/919786
	int n = 0,i = 0,j=0;
	char x[100];
	cin>>n;
	while (n--)
	{
		cin >> x;
		j = i = 0;
		while (x[j] != '')if ('0' <= x[j] && x[j++] <= '9')++i;
		printf_s("%dn", i);
	}
}

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