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wa得不行了~~~~~~~~~~~~~~~~~WHO CAN TELL ME WHY!~#include "stdio.h" #include "string.h" int main() { char a[10000],b[10000]; int i,flag1[26],flag2[26]; L1: while (gets(a)) { if (a[0]=='\0') goto L1; L2: gets(b); if (b[0]=='\0') goto L2; memset(flag1,0,sizeof(flag1)); memset(flag2,0,sizeof(flag2)); for (i=0;i<strlen(a);i++) flag1[a[i]-97]=1; for (i=0;i<strlen(b);i++) flag2[b[i]-97]=1; for (i=0;i<26;i++) if (flag1[i]&&flag2[i]) printf("%c",i+97); printf("\n"); } return 0; } Followed by:
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