QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#689878 | #9223. Data Determination | ucup-team902# | WA | 0ms | 3584kb | C++17 | 1.9kb | 2024-10-30 19:01:21 | 2024-10-30 19:01:22 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define cs const
#define re register
#define pb push_back
#define pii pair<int,int>
#define ll long long
#define fi first
#define se second
#define bg begin
cs int RLEN=1<<22|1;
char ibuf[RLEN],*ib,*ob;
inline char gc(){
(ib==ob)&&(ob=(ib=ibuf)+fread(ibuf,1,RLEN,stdin));
return (ib==ob)?EOF:*ib++;
}
inline int read(){
char ch=gc();
int res=0;bool f=1;
while(!isdigit(ch))f^=ch=='-',ch=gc();
while(isdigit(ch))res=(res+(res<<2)<<1)+(ch^48),ch=gc();
return f?res:-res;
}
inline ll readll(){
char ch=gc();
ll res=0;bool f=1;
while(!isdigit(ch))f^=ch=='-',ch=gc();
while(isdigit(ch))res=(res+(res<<2)<<1)+(ch^48),ch=gc();
return f?res:-res;
}
template<typename tp>inline void chemx(tp &a,tp b){(a<b)?(a=b):0;}
template<typename tp>inline void chemn(tp &a,tp b){(a>b)?(a=b):0;}
cs int N=200005;
int n,k,m;
int a[N];
void solve(){
n=read(),k=read(),m=read();
for(int i=1;i<=n;i++)a[i]=read();
sort(a+1,a+n+1);
if(k&1){
int t=k/2;
for(int i=1;i<=n;i++)if(a[i]==m){
int x1=i-1,x2=n-i;
if(x1>=t&&x2>=t){
puts("TAK");
return;
}
}
puts("NIE");
}
else{
map<int,int>low;
map<int,int>up;
map<int,int>cnt;
for(int i=1;i<=n;i++)if(!low[a[i]]){
low[a[i]]=i;
}
for(int i=n;i;i--)if(!up[a[i]]){
up[a[i]]=n-i+1;
}
for(int i=1;i<=n;i++)cnt[a[i]]++;
for(int i=1;i<=n;i++){
int x=a[i];
int y=2*m-a[i];
if(x<y){
int t1=low[x]+cnt[x]-2;
if(up.find(y)!=up.end()){
int t2=up[y]+cnt[y]-2;
if(t1>=k/2&&t2>=k/2){
puts("TAK");
return;
}
}
}
if(x==y&&cnt[x]>1){
int x=low[a[i]]-1;
int y=up[a[i]]-1;
int t=cnt[a[i]]-2;
int d1=max(k/2-x,0)+max(k/2-y,0);
if(d1<=t){
puts("NIE");
}
}
}
puts("NIE");
}
}
int main(){
#ifdef Stargazer
freopen("1.in","r",stdin);
#endif
int T=read();
while(T--)solve();
}
详细
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3584kb
input:
3 6 4 42 41 43 41 57 41 42 4 2 4 1 2 5 8 7 5 57 101 2 42 5 57 7 13
output:
NIE NIE NIE
result:
wrong answer 1st lines differ - expected: 'TAK', found: 'NIE'