比较简单:
int solution(string str)
{
int sum = 0;
int i = 0;
while (1)
{
if (str[i] == '(')
{
sum++;
i++;
}
else if (str[i] == ')')
{
sum--;
i++;
}
else
{
break;
}
}
return sum;
}
比较简单:
int solution(string str)
{
int sum = 0;
int i = 0;
while (1)
{
if (str[i] == '(')
{
sum++;
i++;
}
else if (str[i] == ')')
{
sum--;
i++;
}
else
{
break;
}
}
return sum;
}