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首页都是【新人】不认识的世界 求认识，景诺
【哑舍·好奇】白蛇伞 今天听到一句话，说中国人忌讳送伞，因为伞通散。那么《白蛇伞》里是不是也有这个意思嘞
同志们，帮忙看看这道题哪错了？ var n,i,x,y:longint; s,s1:string; c,ch:char; begin assign(input,'home.in'); reset(input); assign(input,'home.out'); rewrite(output); readln(s); readln(n); for i:=1 to n do begin read(c); case c of 'D':begin readln(x,y); delete(s,x,y); end; 'A':begin read(ch); readln(s1); if pos(s1,s)=0 then writeln('NO') else writeln('YES'); end; 'C':begin read(x); read(ch); read(cc); s[x]:=cc; end; 'I':begin read(x); read(ch); readln(s1); insert(s,x,s1); end; end; end; writeln(s); close(input); close(output); end.
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