怪怪題目
重打了 N 遍,打完思緒會很亂
//====================================================================||
// ||
// ||
// Author : GCA ||
// 6AE7EE02212D47DAD26C32C0FE829006 ||
//====================================================================||
#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <climits>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <cctype>
#include <utility>
using namespace std;
#ifdef ONLINE\_JUDGE
#define ll "%lld"
#else
#define ll "%I64d"
#endif
typedef unsigned int uint;
typedef long long int Int;
#define Set(a,s) memset(a,s,sizeof(a))
#define Write(w) freopen(w,"w",stdout)
#define Read(r) freopen(r,"r",stdin)
#define Pln() printf("\\n")
#define I\_de(x,n)for(int i=0;i<n;i++)printf("%d ",x\[i\]);Pln()
#define De(x)printf(#x"%d\\n",x)
#define For(i,x)for(int i=0;i<x;i++)
#define CON(x,y) x##y
#define Pmz(dp,nx,ny)for(int hty=0;hty<ny;hty++){for(int htx=0;htx<nx;htx++){\\
printf("%d ",dp\[htx\]\[hty\]);}Pln();}
#define M 55
#define PII pair<int,int\>
#define PB push\_back
#define oo INT\_MAX
#define Set\_oo 0x3f
#define Is\_debug true
#define debug(...) if(Is\_debug)printf("DEBUG: "),printf(\_\_VA\_ARGS\_\_)
#define FOR(it,c) for(\_\_typeof((c).begin()) it=(c).begin();it!=(c).end();it++)
#define eps 1e-6
bool xdy(double x,double y){return x>y+eps;}
bool xddy(double x,double y){return x>y-eps;}
bool xcy(double x,double y){return x<y-eps;}
bool xcdy(double x,double y){return x<y+eps;}
int min3(int x,int y,int z){
int tmp=min(x,y);
return min(tmp,z);
}
int max3(int x,int y,int z){
int tmp=max(x,y);
return max(tmp,z);
}
struct alc{
int num;
char c;
alc(){num=c=0;};
}al\[100\];
int n;
char str\[10000\];
int cnum\[100\];
char ans\[1000\];
bool used\[1000\];
bool cmp(alc a,alc b){
if(a.num==b.num)return a.c<b.c;
return a.num>b.num;
}
void solve(){
Set(used,0);
sort(al,al+n,cmp);
int r=n-1,l=0;
while(r>l){
int i,j,b,a;
for(i=0;i<n;i++)if(!used\[i\])break;
used\[i\]=1;
a=i;
for(j=i+1;j<n;j++)if(!used\[j\])break;
int t=0,k;
for(k=j+1;k<n;k++){
if(al\[k\].num!=al\[j\].num)break;
if(!used\[k\]){
t=k;
}
}
if(!t||al\[j\].c<al\[i\].c){
b=j;
}else b=t;
used\[b\]=1;
if(al\[a\].c<al\[b\].c){
ans\[l\]=al\[a\].c;
ans\[r\]=al\[b\].c;
}else{
ans\[l\]=al\[b\].c;
ans\[r\]=al\[a\].c;
}
l++;
r--;
}
if(l==r){
for(int i=0;i<n;i++){
if(!used\[i\])ans\[l\]=al\[i\].c;
}
}
for(int i=0;i<n-1;i++)printf("%c ",ans\[i\]);printf("%c\\n",ans\[n-1\]);
for(int i=0;i<n-1;i++)printf("%d ",cnum\[ans\[i\]-'A'\]);printf("%d\\n",cnum\[ans\[n-1\]-'A'\]);
}
void init(){
Set(cnum,0);
for(int i=0;i<n;i++){
al\[i\].c=i+'A';
al\[i\].num=0;
}
}
int main() {
ios\_base::sync\_with\_stdio(0);
int test;
scanf("%d",&test);
while(test--){
scanf("%d%\*c",&n);
init();
gets(str);
int len=strlen(str);
for(int i=0;i<len;i++){
if(str\[i\]=='#')break;
al\[str\[i\]-'A'\].num++;
cnum\[str\[i\]-'A'\]++;
}
solve();
}
}