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
#418080#6504. Flower's Land 2CoffinsAC ✓1361ms199636kbC++142.9kb2024-05-23 10:11:292024-11-22 20:46:13

Judging History

你现在查看的是最新测评结果

  • [2024-11-22 20:46:13]
  • 自动重测本题所有获得100分的提交记录
  • 测评结果:AC
  • 用时:1361ms
  • 内存:199636kb
  • [2024-11-22 20:26:09]
  • hack成功,自动添加数据
  • (/hack/1243)
  • [2024-05-23 10:11:30]
  • 评测
  • 测评结果:100
  • 用时:892ms
  • 内存:199672kb
  • [2024-05-23 10:11:29]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
using ll=long long;
const int N=5e5+5,p=998244353;
mt19937 rnd(0);
int n,q;char s[N];
ll ksm(ll a,ll b)
{
    ll ans=1;
    while(b)
    {
        if(b&1)ans=ans*a%p;
        a=a*a%p,b>>=1;
    }return ans;
}
struct Matrix
{
    ll a,b,c,d;
    Matrix(int t=0):a(t),b(0),c(0),d(t){}
    Matrix operator*(const Matrix &x)
    {
        Matrix y;
        y.a=(a*x.a+b*x.c)%p;
        y.b=(a*x.b+b*x.d)%p;
        y.c=(c*x.a+d*x.c)%p;
        y.d=(c*x.b+d*x.d)%p;
        return y;
    }
    Matrix inv()
    {
        Matrix ans=(*this);
        swap(ans.a,ans.d);
        ans.b=p-ans.b,ans.c=p-ans.c;
        ll dt=(a*d-b*c)%p;dt=(ksm(dt,p-2)+p)%p;
        ans.a=(ans.a*dt)%p,
        ans.b=(ans.b*dt)%p,
        ans.c=(ans.c*dt)%p,
        ans.d=(ans.d*dt)%p;
        return ans;
    }
    const Matrix operator*(const Matrix &x)const
    {
        Matrix y;
        y.a=(a*x.a+b*x.c)%p;
        y.b=(a*x.b+b*x.d)%p;
        y.c=(c*x.a+d*x.c)%p;
        y.d=(c*x.b+d*x.d)%p;
        return y;
    }
    void rd()
    {
        a=rnd()%p,b=rnd()%p,
        c=rnd()%p,d=rnd()%p;
    }
    bool isI()
    {return (a==1&&b==0&&c==0&&d==1);}
}mat[3],imt[3];
struct Node
{
    Matrix mt[3];
    void upd(int t)
    {
        Node nd;
        for(int i=0;i<3;i++)
        nd.mt[i]=mt[(i+t)%3];
        for(int i=0;i<3;i++)mt[i]=nd.mt[i];
    }
    void gt(int id)
    {
        int t=s[id]-'0';
        for(int i=0;i<3;i++)
        mt[i]=(id&1)?mat[(i+t)%3]:imt[(i+t)%3];
    }
}d[N<<2];int t[N<<2];
Node merge(const Node &x,const Node &y)
{
    Node ans;
    for(int i=0;i<3;i++)
    ans.mt[i]=x.mt[i]*y.mt[i];
    return ans;
}
void maintain(int k)
{d[k]=merge(d[k<<1],d[k<<1|1]);}
void push_down(int k)
{
    t[k]%=3;
    if(!t[k])return;
    t[k<<1]+=t[k],t[k<<1|1]+=t[k];
    d[k<<1].upd(t[k]),d[k<<1|1].upd(t[k]);
    t[k]=0;
}
void build(int l,int r,int k)
{
    int mid=(l+r)>>1;
    if(l==r)return (void)(d[k].gt(mid));
    build(l,mid,k<<1),build(mid+1,r,k<<1|1),maintain(k);
}
void modify(int a,int b,int l,int r,int k)
{
    if(a<=l&&r<=b)return (void)(d[k].upd(1),t[k]++);
    int mid=(l+r)>>1;push_down(k);
    if(a<=mid)modify(a,b,l,mid,k<<1);
    if(mid+1<=b)modify(a,b,mid+1,r,k<<1|1);
    maintain(k);
}
Matrix query(int a,int b,int l,int r,int k)
{
    if(a<=l&&r<=b)return d[k].mt[0];
    int mid=(l+r)>>1;push_down(k);Matrix ans(1);
    if(a<=mid)ans=ans*query(a,b,l,mid,k<<1);
    if(mid+1<=b)ans=ans*query(a,b,mid+1,r,k<<1|1);
    return ans;
}
const string str[2]={"No\n","Yes\n"};
int main()
{
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin>>n>>q;for(int i=0;i<3;i++)mat[i].rd(),imt[i]=mat[i].inv();
    cin>>s+1;build(1,n,1);
    for(int i=1;i<=q;i++)
    {
        int t,l,r;cin>>t>>l>>r;
        if(t==1)modify(l,r,1,n,1);
        else cout<<str[query(l,r,1,n,1).isI()];
    }
    return 0;
}

这程序好像有点Bug,我给组数据试试?

详细

Test #1:

score: 100
Accepted
time: 15ms
memory: 191148kb

input:

8 9
01211012
2 4 5
2 3 6
1 6 8
1 6 8
2 3 6
2 1 8
1 1 1
1 7 7
2 1 8

output:

Yes
No
Yes
No
Yes

result:

ok 5 token(s): yes count is 3, no count is 2

Test #2:

score: 0
Accepted
time: 189ms
memory: 191476kb

input:

100 500000
0011010001000000000110011111000010100111000010101100101001111000001101001000100111101000110000011011
1 6 55
1 7 84
2 62 79
2 59 62
1 59 66
2 10 13
1 25 67
2 33 88
1 7 11
2 72 81
2 71 90
1 15 38
2 3 100
2 59 76
1 13 83
2 11 46
2 25 52
1 25 55
1 35 42
1 19 87
1 26 86
2 83 94
1 27 74
2 42 47...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
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No
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Yes
Yes
No
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Yes
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Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
N...

result:

ok 248102 token(s): yes count is 9322, no count is 238780

Test #3:

score: 0
Accepted
time: 199ms
memory: 191388kb

input:

100 500000
0210102000201220021100220012101022120002221021222001012101121221021110012101010200020222021101002100
2 8 69
2 37 98
2 13 22
2 20 25
2 16 89
1 47 61
1 1 70
2 19 68
1 31 91
2 6 39
2 16 51
2 44 57
2 24 27
1 25 64
1 20 59
1 18 98
2 45 66
1 2 75
2 16 89
2 85 96
1 12 45
1 9 22
1 66 87
2 13 30
2...

output:

No
No
No
No
No
No
No
No
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No
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No
No
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No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
N...

result:

ok 250664 token(s): yes count is 9342, no count is 241322

Test #4:

score: 0
Accepted
time: 311ms
memory: 192328kb

input:

1000 500000
010001011011010100000011110001101101101011110010111010011110010101100010110001110100010111010101100100111100111111100011001000000101100100101111110111011011110000101010111001111100110001100000011011100011111111010100101010110110100011110000101001100010110111010110001000100110110100000111...

output:

No
No
No
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No
No
No
No
...

result:

ok 250675 token(s): yes count is 988, no count is 249687

Test #5:

score: 0
Accepted
time: 318ms
memory: 192260kb

input:

1000 500000
202011221110002000201111000002220121011012110120222101212012120002101120222210012210112202011121222201200211211122210122120201021222202222201102112101010210202120110111010212122020200221112122022202121200200110010012100002111210210002200210011210011222212012011010201121102121022200200110...

output:

No
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No
...

result:

ok 248104 token(s): yes count is 1037, no count is 247067

Test #6:

score: 0
Accepted
time: 1327ms
memory: 197396kb

input:

500000 500000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

Yes
No
Yes
Yes
No
Yes
No
No
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No
Yes
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Yes
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No
No
No
No
No
No
No
No
No
No
No
Yes
N...

result:

ok 248044 token(s): yes count is 37, no count is 248007

Test #7:

score: 0
Accepted
time: 1361ms
memory: 197268kb

input:

500000 500000
0001111011000101100010000100000001110010100101010011010010101010011001000101011110111000111100100001000000101101011001101001011010110111101100110111111110010011111111111100110000001100100001100010011000000001011011110010100111101010001101000100110011111110111000110111110000101000010001...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
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No
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...

result:

ok 250747 token(s): yes count is 1, no count is 250746

Test #8:

score: 0
Accepted
time: 1299ms
memory: 197364kb

input:

500000 500000
1001012121120221010111021201201221111112012022002200212020201011201100002101022020120101222010011021020121102110211202120100002100121201102122011220122201220100100210222110112212220002122002110022112000012111101112211102120012120102001020221021211022111211201120001022122011201112101111...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
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No
No
No
...

result:

ok 248066 token(s): yes count is 2, no count is 248064

Test #9:

score: 0
Accepted
time: 816ms
memory: 199440kb

input:

500000 500000
0001111011000101100010000100000001110010100101010011010010101010011001000101011110111000111100100001000000101101011001101001011010110111101100110111111110010011111111111100110000001100100001100010011000000001011011110010100111101010001101000100110011111110111000110111110000101000010001...

output:

Yes
No
Yes
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
Yes
No
No
No
Yes
Yes
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Yes
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Yes
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Yes
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Yes
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Yes
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Yes
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Yes
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Yes
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Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
N...

result:

ok 249864 token(s): yes count is 25722, no count is 224142

Test #10:

score: 0
Accepted
time: 780ms
memory: 197324kb

input:

500000 500000
1001012121120221010111021201201221111112012022002200212020201011201100002101022020120101222010011021020121102110211202120100002100121201102122011220122201220100100210222110112212220002122002110022112000012111101112211102120012120102001020221021211022111211201120001022122011201112101111...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
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Yes
No
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Yes
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Yes
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Yes
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No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No...

result:

ok 250064 token(s): yes count is 16110, no count is 233954

Test #11:

score: 0
Accepted
time: 1017ms
memory: 199476kb

input:

500000 500000
0110100110010110100101100110100110010110011010010110100110010110100101100110100101101001100101100110100110010110100101100110100110010110011010010110100110010110011010011001011010010110011010010110100110010110100101100110100110010110011010010110100110010110100101100110100101101001100101...

output:

No
No
Yes
No
Yes
No
No
Yes
No
Yes
No
Yes
No
Yes
Yes
No
No
No
No
No
Yes
No
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Yes
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Yes
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Yes
Yes
Yes
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Yes
Yes
No
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Yes
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Yes
Yes
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Yes
Yes
Yes
No
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Yes
Yes
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Yes
Yes
No
No
No
Yes
No
No
No
Yes
Yes
No
No
Yes
Yes
No
Yes
No
No
No
Yes
No
No...

result:

ok 499764 token(s): yes count is 13197, no count is 486567

Test #12:

score: 0
Accepted
time: 781ms
memory: 199636kb

input:

500000 500000
0112122012202001122020012001011212202001200101122001011201121220122020012001011220010112011212202001011201121220011212201220200112202001200101122001011201121220200101120112122001121220122020012001011201121220011212201220200101121220122020011220200120010112122020012001011220010112011212...

output:

No
No
No
No
No
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No
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...

result:

ok 499741 token(s): yes count is 4, no count is 499737

Test #13:

score: 0
Accepted
time: 901ms
memory: 197360kb

input:

500000 500000
1201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201...

output:

No
No
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No
...

result:

ok 495082 token(s): yes count is 25440, no count is 469642

Test #14:

score: 0
Accepted
time: 965ms
memory: 197332kb

input:

500000 500000
1201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201...

output:

No
No
Yes
Yes
No
No
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No
Yes
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Yes
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No
N...

result:

ok 495214 token(s): yes count is 25405, no count is 469809

Test #15:

score: 0
Accepted
time: 974ms
memory: 197332kb

input:

500000 500000
1201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201201...

output:

No
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...

result:

ok 495041 token(s): yes count is 26778, no count is 468263

Test #16:

score: 0
Accepted
time: 1204ms
memory: 197332kb

input:

500000 500000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

Yes
Yes
Yes
Yes
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No
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Yes
Yes
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Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
No
Y...

result:

ok 251625 token(s): yes count is 167813, no count is 83812

Test #17:

score: 0
Accepted
time: 1225ms
memory: 197328kb

input:

500000 500000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
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Yes
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Yes
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No
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Yes
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Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
...

result:

ok 251611 token(s): yes count is 167452, no count is 84159

Test #18:

score: 0
Accepted
time: 1304ms
memory: 197368kb

input:

500000 500000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

Yes
Yes
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Yes
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Yes
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Yes
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Yes
Yes
Yes
No
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Yes
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Yes
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Yes
Yes
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No
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Yes
No
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Yes
No
Yes
No
No
No
Yes
Yes
No
Yes
No
Yes...

result:

ok 251639 token(s): yes count is 167829, no count is 83810

Test #19:

score: 0
Accepted
time: 1197ms
memory: 199380kb

input:

500000 500000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
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Yes
Yes
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Yes
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No
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Yes
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Yes
Yes
No
Yes
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Yes
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Yes
No
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No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
...

result:

ok 249959 token(s): yes count is 166274, no count is 83685

Test #20:

score: 0
Accepted
time: 987ms
memory: 197276kb

input:

500000 500000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
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Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
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Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
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Yes
Yes
Yes
Yes
Yes
No
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Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
Yes
No
No
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
...

result:

ok 251590 token(s): yes count is 167841, no count is 83749

Test #21:

score: 0
Accepted
time: 929ms
memory: 197368kb

input:

500000 500000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

Yes
No
Yes
Yes
Yes
Yes
No
Yes
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Yes
Yes
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Yes
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Yes
Yes
Yes
Yes
No
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Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Ye...

result:

ok 249944 token(s): yes count is 167276, no count is 82668

Test #22:

score: 0
Accepted
time: 883ms
memory: 197336kb

input:

500000 500000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

No
Yes
Yes
Yes
Yes
Yes
No
No
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Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
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Yes
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Yes
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Yes
Yes
No
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Yes
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Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
...

result:

ok 249967 token(s): yes count is 168649, no count is 81318

Test #23:

score: 0
Accepted
time: 874ms
memory: 197424kb

input:

500000 500000
2120211202121010200201010120211202102102011020120121200212101210200201212020122102020121011012101021211212012020122102020212122121202020200202020102011020101201211210210212011021201210100101210212100121201210100101210121011012101021200212010101200210101020200202012101022010121010200201...

output:

No
No
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result:

ok 249676 token(s): yes count is 13, no count is 249663

Test #24:

score: 0
Accepted
time: 968ms
memory: 197360kb

input:

500000 500000
1210202120021202012120120201011010202102012121010110101212102021020201102020120212121021211212012121202101210220121012021201212120021212102121010121200212101012021012020220202101202120212101101212021201020212022021202010120102121001212010210102021020020120201012121010200201012121012010...

output:

No
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...

result:

ok 249788 token(s): yes count is 13, no count is 249775

Test #25:

score: 0
Accepted
time: 950ms
memory: 199440kb

input:

500000 500000
1021201212020202010212020120120201212012010212121221212120102102121020210210202120102020202121021201201010121210121010202020202010120121010102120101200210102120101012102101020202020201012101212101010212121210120212101012021021020102121201212020201010010102020212102121201020120120210101...

output:

No
No
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...

result:

ok 249720 token(s): yes count is 21, no count is 249699

Test #26:

score: 0
Accepted
time: 969ms
memory: 199544kb

input:

500000 500000
2102012102020210212121020120121010120121012012021010212101212102012010201212121012101210212102102120210201020121012021201021012010212021210202012010212020102121202021202121012121021010120210210202021212020212120121202012101201201012021212101210120101020201020121020210121020212012021212...

output:

No
No
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N...

result:

ok 248946 token(s): yes count is 159, no count is 248787

Test #27:

score: 0
Accepted
time: 725ms
memory: 197552kb

input:

500000 500000
2102121210121212120202012120202010201212102010201021012020201020210210101210121201021212020210102121012010210101020201021010202010201201021010101020212020101210120101201210102020102010101021202102120210121010201012120121202102020121010212120102102102020120121010121010102012012021012010...

output:

No
No
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Yes
Yes
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N...

result:

ok 249807 token(s): yes count is 383, no count is 249424

Test #28:

score: 0
Accepted
time: 686ms
memory: 197388kb

input:

500000 500000
2120201021210101202021201212120202021010102021010212020102101010201021010201201012010101210101212012102102101010212102121202102010212120212102020212020121012012021020101210102012102021012121010121020101010210201021201021201201020202010202012020201201210101021010101202021020121202012020...

output:

No
No
No
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...

result:

ok 248859 token(s): yes count is 994, no count is 247865

Test #29:

score: 0
Accepted
time: 676ms
memory: 197632kb

input:

500000 500000
1021012012010212010210120121012010120202102120202121021021202012121020201021202012120121201202021021020121012101201010101212120201212020120101210210202010210102102102021212021202120212121201201210201210102010120202021212121010121201021021202102020102121202010212020121020210212120212012...

output:

No
No
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...

result:

ok 248886 token(s): yes count is 2083, no count is 246803

Test #30:

score: 0
Accepted
time: 682ms
memory: 197392kb

input:

500000 500000
1202021012101201201021212121212121201212121012102020120210101212101201212020101020101210101212120201010201201021202121202020201201202010210120201202121010121010102102121010121021212021202021021202120102101202102020210102120202020212120202120212021020121212020102120121012120201202120121...

output:

No
No
No
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No
Yes
No
No
No
...

result:

ok 248858 token(s): yes count is 4672, no count is 244186

Test #31:

score: 0
Accepted
time: 612ms
memory: 196364kb

input:

500000 500000
0100201020101001010102010202020201010201002020102020101001010201020100100201010020010101010102020202010010201020202020200102002010001020201010010102001000101010020000101020102001002020201002020101020101010102010020201010102020200010102020101002020002002002010101010201020020102020101020...

output:

No
No
No
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Yes
Yes
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Yes
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No...

result:

ok 437390 token(s): yes count is 73249, no count is 364141

Extra Test:

score: 0
Extra Test Passed