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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
#381669	#5466. Permutation Compression	wsc2008	WA	1ms	3920kb	C++14	1.8kb	2024-04-07 20:01:24	2024-04-07 20:01:25

Judging History

你现在查看的是最新测评结果

[2024-04-07 20:01:25]
评测

测评结果：WA
用时：1ms
内存：3920kb

查看

[2024-04-07 20:01:24]
提交

answer

#include<bits/stdc++.h>
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
#define pii pair<ll,ll>
#define rep(i,a,b) for(ll i=(a);i<=(b);++i)
#define per(i,a,b) for(ll i=(a);i>=(b);--i)
using namespace std;
bool Mbe;
ll read(){
    ll x=0,f=1;char ch=getchar();
    while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
    while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
    return x*f;
}
void write(ll x){
    if(x<0)putchar('-'),x=-x;
    if(x>9)write(x/10);
    putchar(x%10+'0');
}
const ll N=1e6+9;
ll T,n,m,k,a[N],b[N],len[N],pa[N],pb[N],bit[N];
void Upd(ll x,ll k){
    while(x<=n)bit[x]+=k,x+=(x&(-x));
}
ll Query(ll x){
    ll res=0;
    while(x)res+=bit[x],x-=(x&(-x));
    return res;
}
ll Query(ll l,ll r){
    return Query(r)-Query(l-1);
}
void solve(){
    n=read(),m=read(),k=read();
    rep(i,0,n+1)pa[i]=pb[i]=bit[i]=0;
    rep(i,1,n)a[i]=read(),pa[a[i]]=i;
    rep(i,1,m)b[i]=read(),pb[b[i]]=i;
    rep(i,1,k)len[i]=read();
    //判断是不是子序列
    rep(i,1,m-1){
        if(pa[b[i]]>pa[b[i+1]])return puts("NO"),void();
    }
    set<ll>A,B;
    //A 维护删除了 >i 的所有数的情况
    //B 维护还可选的 len 集合
    rep(i,1,k)B.insert(len[i]);
    rep(i,1,n)Upd(i,1);
    A.insert(0),A.insert(n+1);
    per(i,n,1){
        if(pb[i])A.insert(pa[i]);
        else {
            ll l=*prev(A.lower_bound(pa[i])),r=*A.lower_bound(pa[i]);
            ll cnt=Query(l+1,r-1);
            set<ll>::iterator it=B.upper_bound(cnt);
            if(it==B.begin())return puts("NO"),void();
            B.erase(prev(it));
        }
    }
    puts("YES");
}
bool Med;
int main(){
    cerr<<fabs(&Med-&Mbe)/1048576.0<<"MB\n";
    T=read();
    while(T--)solve();
    return 0;
}

源文件, 语言: C++14

详细

Test #1:

score: 100

Accepted

time: 1ms

memory: 3920kb

input:

output:

YES
YES
NO

result:

ok 3 lines

Test #2:

score: -100

Wrong Answer

time: 1ms

memory: 3844kb

input:

100
2 1 2
2 1
2
1 1
2 1 2
1 2
1
2 2
2 1 1
1 2
1
2
6 1 5
3 4 2 5 6 1
3
5 2 1 1 1
6 1 6
2 1 3 6 4 5
1
4 1 2 2 1 4
3 3 2
2 1 3
2 1 3
2 2
1 1 1
1
1
1
1 1 1
1
1
1
2 1 2
2 1
2
1 2
4 4 3
2 1 3 4
2 1 3 4
4 3 1
1 1 1
1
1
1
6 5 1
6 2 5 4 3 1
6 2 4 3 1
4
1 1 1
1
1
1
6 5 3
3 6 1 4 5 2
3 6 1 4 2
3 3 4
4 3 4
3 4 ...

output:

YES
YES
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
NO
NO
NO
NO
YES
NO
NO
YES
YES
YES
YES
YES
NO
YES
NO
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES...

result:

wrong answer 4th lines differ - expected: 'YES', found: 'NO'