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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#252172#7627. PhonyfAKeZero#WA 1ms5960kbC++174.0kb2023-11-15 16:11:412023-11-15 16:11:42

Judging History

This is the latest submission verdict.

  • [2023-11-15 16:11:42]
  • Judged
  • Verdict: WA
  • Time: 1ms
  • Memory: 5960kb
  • [2023-11-15 16:11:41]
  • Submitted

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
inline long long read(){
    int w=0;long long x=0;char c=getchar();
    while(!isdigit(c)) w|=c=='-',c=getchar();
    while(isdigit(c)) x=x*10+c-'0',c=getchar();
    return w?-x:x;
}
namespace star
{
    const int maxn=5e5+10;
    inline char gc(){
        char c=getchar();
        while(isspace(c)) c=getchar();
        return c;
    }
    int n,m;
    long long k,a[maxn];
    #define ls son[ro][0]
    #define rs son[ro][1]
    int son[maxn][2],siz[maxn],tot,rnd[maxn],rt1,rt2;
    long long val[maxn];
    inline int newnode(long long a){
        val[++tot]=a,siz[tot]=1,rnd[tot]=rand();return tot;
    }
    inline void pushup(const int &ro){
        siz[ro]=siz[ls]+siz[rs]+1;
    }
    int merge(int a,int b){
        if(!a or !b) return a|b;
        if(rnd[a]<rnd[b]){
            son[a][1]=merge(son[a][1],b);
            pushup(a);return a;
        }else{
            son[b][0]=merge(a,son[b][0]);
            pushup(b);return b;
        }
    }
    void split(int ro,long long k,int &a,int &b){
        if(!ro) return a=b=0,void();
        if(val[ro]<=k) a=ro,split(rs,k,rs,b);
        else b=ro,split(ls,k,a,ls);
        pushup(ro);
    }
    inline void insert(int& rt,long long a){
        int x,y;
        split(rt,a,x,y);
        rt=merge(merge(x,newnode(a)),y);
    }
    void splitsz(int ro,int k,int &a,int &b){
        if(!ro) return a=b=0,void();
        if(siz[ls]+1<=k) a=ro,splitsz(rs,k-siz[ls]-1,rs,b);
        else b=ro,splitsz(ls,k,a,ls);
        pushup(ro);
    }
    inline void del(int &rt,int a){
        int x,y,z;
        split(rt,a,x,z);
        split(x,a-1,x,y);
        y=merge(son[y][0],son[y][1]);
        rt=merge(merge(x,y),z);
    }
    inline long long kth(int ro,int a){
        while(true){
            // std::cerr << val[ro] << " ? " << std::endl;
            if(a<=siz[ls]) ro=ls;
            else{
                a-=siz[ls];
                if(--a==0) return val[ro];
                ro=rs;
            }
        }
    }
    #undef ls
    #undef rs
    vector<long long> hold;
    inline void work(){
        n=read(),m=read(),k=read();
        for(int i=1;i<=n;i++) a[i]=read();
        sort(a+1,a+1+n);
        long long h=a[n]/k,i=n;
        while(i and a[i]/k==h){
            h=a[i]/k;
            insert(rt1,a[i]%k);
            i--;
        }
        while(m--){
            // cerr<<"Before:"<<h<<' '<<siz[rt1]<<' '<<siz[rt2]<<endl;
            if(gc()=='C'){
            long long t=read();
            if(t>=siz[rt1]){
                t-=siz[rt1];
                for(auto x:hold) del(rt2,x);
                rt1=merge(rt1,rt2);
                for(auto x:hold) insert(rt1,x);
                hold.clear();
                rt2=0;
                h--;
            }
            while(i and a[i]/k>=h-t/siz[rt1]){
                t-=(h-a[i]/k)*siz[rt1];
                h=a[i]/k;
                insert(rt1,a[i]%k);
                i--;
            }
            h-=t/siz[rt1];
            t-=(t/siz[rt1])*siz[rt1];
            if(t){
                int c;
                splitsz(rt1,siz[rt1]-t,rt1,c);
                rt2=merge(c,rt2);
                t=0;
                // cerr<<"rt2:"<<siz[rt1]<<' '<<siz[rt2]<<' '<<val[rt2]<<endl;
                while(i and a[i]/k>=h-1){
                    hold.push_back(a[i]);
                    insert(rt2,a[i]%k);
                    i--;
                }
            }
        }else{
            int x=read();
            if(x>siz[rt1]+siz[rt2]){
                printf("%lld\n",a[n-x+1]);
            }else if(x>siz[rt1]){
                // cerr<<"AAAAAAA:"<<h<<' '<<siz[rt1]<<' '<<siz[rt2]-(x-siz[rt1])+1<<endl;
                printf("%lld\n",k*(h-1)+kth(rt2,siz[rt2]-(x-siz[rt1])+1));
            }else printf("%lld\n",k*h+kth(rt1,siz[rt1]-x+1));
        }
            // cerr<<"After:"<<h<<' '<<siz[rt1]<<' '<<siz[rt2]<<endl<<endl;
        }
    }
}
signed main(){
    star::work();
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 5828kb

input:

3 5 5
7 3 9
A 3
C 1
A 2
C 2
A 3

output:

3
4
-1

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 5872kb

input:

5 8 8
294 928 293 392 719
A 4
C 200
A 5
C 10
A 2
C 120
A 1
A 3

output:

294
200
191
0
-2

result:

ok 5 lines

Test #3:

score: -100
Wrong Answer
time: 0ms
memory: 5960kb

input:

100 100 233
5101 8001 6561 6329 6305 7745 4321 811 49 1121 3953 8054 8415 9876 6701 4097 6817 6081 495 5521 2389 2042 4721 8119 7441 7840 8001 5756 5561 129 1 5981 4801 7201 8465 7251 6945 5201 5626 3361 5741 3650 7901 2513 8637 3841 5621 9377 101 3661 5105 4241 5137 7501 5561 3581 4901 561 8721 811...

output:

6881
9161
4721
8230
2945
7880
7763
5291
5001
2042
4721
4721
7374
4097
7501
7530
7400
7435
811
14503
2561
7201
14037
14605
3581
6590
1485
6721
6286
2042
6217
13826
6074
5904
11806
5743
5751
5521
11897
5439
5769
12060
13199
11100
5546
5587
11727
5482
115
5354
5415
5354
5404
5303
5449
-9683

result:

wrong answer 4th lines differ - expected: '8200', found: '8230'