摘要：
好事多磨，百炼方能成钢#include<stdio.h>#include<string.h>#include<ctype.h>#define MAXN 10000char a[MAXN];char b[MAXN];int main(){ int i, T, top, len; scanf("%d\n",&T); while(T) { --T; gets(a); len = strlen(a); top = -1; for(i = 0; i < len; i++) { if(isalpha(a[i])) b[++top] = 阅读全文
