题解 | #单词倒排#
单词倒排
https://www.nowcoder.com/practice/81544a4989df4109b33c2d65037c5836
/**** *注意正则表达式的使用和含义 *****/ #include <stdio.h> #include <string.h> int main() { char str[500][21] = {0}; int i = 0; int x; while(1){ x = scanf( "%[a-z|A-Z]",str[i] );//正则表达式,只读取字母,其余保存 if( getchar() == '\n' ) break; if(x) i++; } for( int j = i; j>=0; j-- ) { printf("%s ", str[j]); } return 0; }