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
#732189#9543. Good PartitionsxDarkbluexAC ✓655ms30220kbC++174.4kb2024-11-10 13:38:092024-11-10 13:38:10

Judging History

你现在查看的是最新测评结果

  • [2024-11-10 13:38:10]
  • 评测
  • 测评结果:AC
  • 用时:655ms
  • 内存:30220kb
  • [2024-11-10 13:38:09]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
#define N 500007
using namespace std;
int gcd(int a,int b)
{
    return b==0?a:gcd(b,a%b);
}
int T,n,q,a[N];
int ys[N];
void pre()
{
    for(int i=1;i<N;i++)
    {
        ys[i]=0;
    }
    for(int i=1;i<N;i++)
    {
        for(int j=i;j<N;j+=i)
        {
            ys[j]++;
        }
    }
}
struct segment_tree
{
    int gd[N<<2],tg[N<<2];
    set<int>st;
    void pu(int i)
    {
        gd[i]=gcd(gd[i<<1],gd[i<<1|1]);
    }
    void pd(int i)
    {
        if(tg[i]<0)
        {
            return ;
        }
        gd[i<<1]=gcd(gd[i<<1],tg[i]);
        gd[i<<1|1]=gcd(gd[i<<1|1],tg[i]);
        tg[i<<1]=gcd(tg[i<<1],tg[i]);
        tg[i<<1|1]=gcd(tg[i<<1|1],tg[i]);
        tg[i]=-1;
    }
    void bd(int i,int l,int r)
    {
        if(l==r)
        {
            gd[i]=0;
        }
        else
        {
            int mid=(l+r)>>1;
            bd(i<<1,l,mid);
            bd(i<<1|1,mid+1,r);
            pu(i);
        }
    }
    void up(int x,int L,int R,int i,int l,int r)
    {
        if(L<=l&&r<=R)
        {
            gd[i]=x;
            tg[i]=x;
        }
        else
        {
            int mid=(l+r)>>1;
            pd(i);
            if(L<=mid)
            {
                up(x,L,R,i<<1,l,mid);
            }
            if(R>mid)
            {
                up(x,L,R,i<<1|1,mid+1,r);
            }
            pu(i);
        }
    }
    int qur(int L,int R,int i,int l,int r)
    {
        if(L<=l&&r<=R)
        {
            return gd[i];
        }
        else
        {
            int mid=(l+r)>>1,ans=0;
            pd(i);
            if(L<=mid)
            {
                ans=gcd(ans,qur(L,R,i<<1,l,mid));
            }
            if(R>mid)
            {
                ans=gcd(ans,qur(L,R,i<<1|1,mid+1,r));
            }
            return ans;
        }
    }
    int fnd(int k)
    {
        return *(st.lower_bound(k));
    }
    void addBlock(int l,int r)
    {
        up(0,l,r,1,1,n);
        up(r-l+1,r,r,1,1,n);
        st.insert(r);
    }
    void delBlock(int l,int r)
    {
        up(0,l,r,1,1,n);
        st.erase(r);
    }
    void deal(int k)
    {
        int u=fnd(k);
        if(k-1>=1)
        {
            int v=fnd(k-1);
            if(u==v)
            {
                if(a[k-1]>a[k])
                {
                    int ln=qur(u,u,1,1,n);
                    delBlock(u-ln+1,u);
                    addBlock(u-ln+1,k-1);
                    addBlock(k,u);
                }
            }
            else
            {
                if(a[k-1]<=a[k])
                {
                    int lnv=qur(v,v,1,1,n);
                    int lnu=qur(u,u,1,1,n);
                    delBlock(v-lnv+1,v);
                    delBlock(u-lnu+1,u);
                    addBlock(v-lnv+1,u);
                }
            }
        }
        if(k+1<=n)
        {
            int v=fnd(k+1);
            if(u==v)
            {
                if(a[k]>a[k+1])
                {
                    int ln=qur(u,u,1,1,n);
                    delBlock(u-ln+1,u);
                    addBlock(u-ln+1,k);
                    addBlock(k+1,u);
                }
            }
            else
            {
                if(a[k]<=a[k+1])
                {
                    int lnu=qur(u,u,1,1,n);
                    int lnv=qur(v,v,1,1,n);
                    delBlock(u-lnu+1,u);
                    delBlock(v-lnv+1,v);
                    addBlock(u-lnu+1,v);
                }
            }
        }
    }
    int tqur()
    {
        if(n==1)
        {
            return 1;
        }
        int ans=qur(1,n-1,1,1,n);
        if(ans==0)
        {
            return n;
        }
        return ys[ans];
    }
    void init()
    {
        for(int i=1;i<=n;i++)
        {
            a[i]=0;
        }
        st.clear();
        addBlock(1,n);
    }
}sg;
void solve()
{
    scanf("%lld%lld",&n,&q);
    sg.init();
    for(int i=1;i<=n;i++)
    {
        scanf("%lld",&a[i]);
        sg.deal(i);
    }
    printf("%lld\n",sg.tqur());
    while(q--)
    {
        int k,x;
        scanf("%lld%lld",&k,&x);
        a[k]=x;
        sg.deal(k);
        int ans=sg.tqur();
        printf("%lld\n",ans);
    }
}
signed main()
{
    pre();
    cin>>T;
    while(T--)
    {
        solve();
    }
    return 0;
}

这程序好像有点Bug,我给组数据试试?

詳細信息

Test #1:

score: 100
Accepted
time: 13ms
memory: 12052kb

input:

1
5 2
4 3 2 6 1
2 5
3 5

output:

1
2
3

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 9ms
memory: 12036kb

input:

1
1 1
2000000000
1 1999999999

output:

1
1

result:

ok 2 lines

Test #3:

score: 0
Accepted
time: 399ms
memory: 20348kb

input:

1
200000 200000
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 ...

output:

160
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160...

result:

ok 200001 lines

Test #4:

score: 0
Accepted
time: 484ms
memory: 30220kb

input:

1
200000 200000
200001 200000 199999 199998 199997 199996 199995 199994 199993 199992 199991 199990 199989 199988 199987 199986 199985 199984 199983 199982 199981 199980 199979 199978 199977 199976 199975 199974 199973 199972 199971 199970 199969 199968 199967 199966 199965 199964 199963 199962 1999...

output:

1
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...

result:

ok 200001 lines

Test #5:

score: 0
Accepted
time: 295ms
memory: 18912kb

input:

1
200000 200000
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 ...

output:

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...

result:

ok 200001 lines

Test #6:

score: 0
Accepted
time: 13ms
memory: 12040kb

input:

2
2 2
17017 63462
2 94054
2 13504
8 8
14380 5840 34752 73602 60279 26105 44308 78318
7 8597
2 70671
6 56663
5 90093
5 96853
3 10700
1 76875
6 27325

output:

2
2
1
1
1
1
1
1
1
1
1
1

result:

ok 12 lines

Test #7:

score: 0
Accepted
time: 13ms
memory: 12032kb

input:

10
9 15
850456 510799 912572 938543 215712 758501 850577 149454 330027
7 740992
7 73826
1 993823
7 143019
8 152824
2 109975
5 151989
7 851016
3 157534
8 491512
6 987473
7 272348
3 842756
4 278214
5 707564
10 17
494099 922564 124251 422938 100551 915266 18436 74858 885629 897256
8 798574
7 49544
7 83...

output:

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result:

ok 110 lines

Test #8:

score: 0
Accepted
time: 14ms
memory: 11940kb

input:

10
133 246
140510 608816 589575 476955 565233 554161 572604 339315 619706 665193 478181 434356 152086 642681 20634 515330 792629 985669 964199 254936 124166 33376 866759 559350 243009 210630 84226 54133 562576 188482 341088 287802 931163 132016 885704 128841 718254 917725 716410 175025 922633 18826 ...

output:

1
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...

result:

ok 1010 lines

Test #9:

score: 0
Accepted
time: 31ms
memory: 12228kb

input:

10
3872 687
44064166 27154700 47734073 23232952 85900163 60570475 79562375 95316865 5283870 83145253 18727311 84521331 87003172 67383345 87258243 56070949 93690923 24354578 82428308 54239011 31728698 60725336 28686234 19515381 86019850 20774145 91634419 99792041 34779827 43899611 5776212 38860142 22...

output:

1
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...

result:

ok 10010 lines

Test #10:

score: 0
Accepted
time: 488ms
memory: 13972kb

input:

10
16568 3726
108245963 1072826507 922424573 1724795997 821224456 920893777 1197351187 1750418758 475004108 473502990 1018456990 1361563534 750892494 1656602758 1227777726 25842374 1616734168 755178190 1192059348 549671897 71441917 604937525 380135847 1750880898 478060006 1256638169 469752575 429941...

output:

1
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...

result:

ok 200010 lines

Test #11:

score: 0
Accepted
time: 538ms
memory: 13592kb

input:

10
49420 24551
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 1...

output:

49420
10
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result:

ok 200010 lines

Test #12:

score: 0
Accepted
time: 531ms
memory: 13824kb

input:

10
10300 2652
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 10...

output:

10300
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...

result:

ok 200010 lines

Test #13:

score: 0
Accepted
time: 532ms
memory: 15872kb

input:

10
28101 16542
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 1...

output:

28101
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result:

ok 200010 lines

Test #14:

score: 0
Accepted
time: 655ms
memory: 20780kb

input:

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output:

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result:

ok 200001 lines

Test #15:

score: 0
Accepted
time: 507ms
memory: 22176kb

input:

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output:

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result:

ok 200001 lines

Test #16:

score: 0
Accepted
time: 558ms
memory: 20548kb

input:

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output:

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result:

ok 200001 lines

Test #17:

score: 0
Accepted
time: 622ms
memory: 21668kb

input:

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output:

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result:

ok 200001 lines

Test #18:

score: 0
Accepted
time: 520ms
memory: 17436kb

input:

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output:

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result:

ok 200010 lines

Test #19:

score: 0
Accepted
time: 632ms
memory: 26676kb

input:

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output:

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result:

ok 200001 lines

Test #20:

score: 0
Accepted
time: 619ms
memory: 23928kb

input:

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output:

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result:

ok 200001 lines

Test #21:

score: 0
Accepted
time: 498ms
memory: 14124kb

input:

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output:

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result:

ok 200010 lines

Test #22:

score: 0
Accepted
time: 599ms
memory: 23780kb

input:

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output:

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result:

ok 200001 lines

Extra Test:

score: 0
Extra Test Passed