delete pics to save space
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41
history_source/信息学奥赛一本通/2.2.10.cpp
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41
history_source/信息学奥赛一本通/2.2.10.cpp
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#include<iostream>
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#include<string>
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using namespace std;
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bool cmp(string a,string b)
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{
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return a<b;
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}
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template<class T>
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void fsort(T *left,T *right,bool (*cmp)(T a,T b),T *k)
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{
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if(right-left<=1) return;
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unsigned int len=right-left;
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fsort(left,left+len/2,cmp,k);
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fsort(left+len/2,right,cmp,k+len/2);
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int i=0,j=len/2,n=0;
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while(i<len/2&&j<len)
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{
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if(cmp(left[i],left[j])) k[n++]=left[i++];
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else k[n++]=left[j++];
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}
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while(i<len/2) k[n++]=left[i++];
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while(j<len) k[n++]=left[j++];
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for(int i=0;i<len;i++) left[i]=k[i];
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}
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int main()
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{
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int len=0;
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string k[110],w[110];
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char x,a=' ';
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while(x=getchar(),x!='\n')
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{
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if(x!=' ') w[len]+=x;
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else if(a!=' ') len++;
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a=x;
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}
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if(w[len]!="") len++;
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fsort(w,w+len,cmp,k);
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cout<<w[0]<<endl;
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for(int i=1;i<len;i++) if(w[i]!=w[i-1]) cout<<w[i]<<endl;
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return 0;
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}
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