引发的异常: 0xC0000005: 读取位置 0x01301000 时发生访问冲突。小白一枚，学c，大神帮帮忙

Question

#include
#include
#include
int main()
{
char str[80];
int word=0, num=0,i;
scanf_s("%s", str,strlen(str));
for (i = 0;str[i] != ' /0'; i++)
if (str[i] == ' ')word = 0;
else if (word = 0) {
word = 1;
num++;
}
printf("There has %d word", num);
system("pause");

Answer 1

字符串结束符是'\0',不是你写的'/0'.
另外else if内的判断应该是 == 而不是 =.