ToDo:
http://acm.pku.cn/JudgeOnline/problem?id=1981
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(00:58)
b,l,s[99];main(m,n,i,w,x,y,z){
for(;;){
for(;n=getchar(n)-10;l+=8)s[n]++;
if(l==24&&s['E']==s['N']==s['D']==1)break;
z=85;
x=55;
for(;;){
s[m=n=99]=9999;
w = 0;
for(y=i=x;i<=z;i++){
if(s[i]) {
if(!w)w=i;
y = i;
if(s[i]<s[m]){
if(s[i]<s[n]){m=n;n=i;}
else m=i;
}
}
}
x=w;
z=y;
if(m==99)break;
b+=(s[m]+=s[n]);
s[n]=0;
}
printf("%d %d %.1f\n",l,b,1.*l/b);
b=l=0;
}
}
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(02:53)
#include<cstdio>
#include<set>
int m,n,b,l,i,k[99];main(){
std::multiset<int>s;
for(;;){
for(;n=getchar()-10;l+=8)k[n]++;
if(l==24&&k['E']==k['N']==k['D']==1)break;
for(i=55;i<=85;i++){if(k[i])s.insert(k[i]);}
for(;s.size()>1;){
std::multiset<int>::iterator i=s.begin();
m = *i;
s.erase(i++);
n = *i;
s.erase(i);
b+=(m+=n);
s.insert(m);
}
printf("%d %d %.1f\n",l,b,1.*l/b);
b=l=0;
}
}
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(03:09)
*m,*n,*i,s[99];main(b,l){
for(;m=n=memset(s,0,396);printf("%d %d %.1f\n",l,b,1.*l/b)){
for(l=0;b=getchar()-10;l+=8){
s[b]++;
if(b-l==60)return;
}
for(b=0;m-s-1;){
b+=*m+=*n;
*n=0;
m=n=s+1;
*m=99;
for(i=s+86;*i-99;)
*--i&&*i<*m?*i<*n?m=n,n=i:(m=i):0;
}
b=b?b:l/8;
}
}
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(04:53)
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