读取以空格分割的字符串
while (scanf("%s", vocabulary[i]) != EOF) {j = 0;while (vocabulary[i][j]) { // 大写转小写vocabulary[i][j] = up_to_low(vocabulary[i][j]);j++;}i++;} // 并且大写转成小写
C++读取方法
string s[200];int i = 0; int n = 0,count=0;cin >> n;while (cin >> s[count]) {count++;}
