QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#400143#8552. SticksocharinAC ✓119ms82836kbC++231.6kb2024-04-27 01:15:542024-04-27 01:15:55

Judging History

你现在查看的是最新测评结果

  • [2024-04-27 01:15:55]
  • 评测
  • 测评结果:AC
  • 用时:119ms
  • 内存:82836kb
  • [2024-04-27 01:15:54]
  • 提交

answer

/*

                                _/                                      _/
       _/_/        _/_/_/      _/_/_/        _/_/_/      _/  _/_/               _/_/_/
    _/    _/    _/            _/    _/    _/    _/      _/_/          _/       _/    _/
   _/    _/    _/            _/    _/    _/    _/      _/            _/       _/    _/
    _/_/        _/_/_/      _/    _/      _/_/_/      _/            _/       _/    _/

*/
#include<bits/stdc++.h>
#define int long long

using namespace std;
const int mod=998244353;

void solve(){
    int n;
    cin>>n;
    vector<string>s(n);
    for(auto &i:s) cin>>i,i=i+' ';
    vector f(n+1,vector(n+1,0ll));
    vector mi0(n,n),ma1(n,-1ll);
    f[0][0]=1;
    for(int i=0;i<n;++i){
        int max1=-1,min0=n;
        for(int j=0;j<=n;++j){
            int cl=max1+1,cr=min(j,min0);
            if(cl<=cr) (f[i+1][j]+=f[i][j]*(cr-cl+1)%mod)%=mod;
            if(s[i][j]=='1') max1=max(max1,j);
            if(s[i][j]=='0') min0=min(min0,j);
        }
        for(int j=0;j<n;++j){
            int cl=ma1[j]+1,cr=min(i,mi0[j]);
            if(cl<=cr) (f[i][j+1]+=f[i][j]*(cr-cl+1)%mod)%=mod;
            cr=min(cr,i-1);
            if(cl<=cr && min0>j) (f[i+1][j+1]+=f[i][j]*(cr-cl+1)%mod)%=mod;
            if(s[i][j]=='1') ma1[j]=max(ma1[j],i);
            if(s[i][j]=='0') mi0[j]=min(mi0[j],i);
        }
    }
    for(int i=0;i<n;++i){
        int cl=ma1[i]+1,cr=min(n,mi0[i]);
        if(cl<=cr) (f[n][i+1]+=f[n][i]*(cr-cl+1)%mod)%=mod;
    }
    cout<<f[n][n]<<"\n";
}

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);solve();
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3632kb

input:

2
??
??

output:

14

result:

ok 1 number(s): "14"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3600kb

input:

5
??1??
?1??0
??0??
???1?
??1??

output:

3144

result:

ok 1 number(s): "3144"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

10
0000000000
??????????
??????????
??????????
??????????
??????????
??????????
??????????
??????????
??????????

output:

361458985

result:

ok 1 number(s): "361458985"

Test #4:

score: 0
Accepted
time: 112ms
memory: 82836kb

input:

3000
??????????????????????????????????????????????????????????0?????????????????????0??????????????????????????????????????????????????????????????????????????????????????0???????????????????????????????????????????0???????????????????????????????????????????????????????????????????????????????????...

output:

56427841

result:

ok 1 number(s): "56427841"

Test #5:

score: 0
Accepted
time: 107ms
memory: 82584kb

input:

3000
????????????????????????????????????????0??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

145247225

result:

ok 1 number(s): "145247225"

Test #6:

score: 0
Accepted
time: 108ms
memory: 82784kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

925248762

result:

ok 1 number(s): "925248762"

Test #7:

score: 0
Accepted
time: 119ms
memory: 82616kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

845505610

result:

ok 1 number(s): "845505610"

Test #8:

score: 0
Accepted
time: 112ms
memory: 82540kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

123028256

result:

ok 1 number(s): "123028256"

Test #9:

score: 0
Accepted
time: 116ms
memory: 82544kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????1???1??????????????????????????????????????????????????????????????????????1????????????????????????????????????????????????????????????????...

output:

242286033

result:

ok 1 number(s): "242286033"

Test #10:

score: 0
Accepted
time: 112ms
memory: 82620kb

input:

3000
??????????????????????????1????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

448817936

result:

ok 1 number(s): "448817936"

Test #11:

score: 0
Accepted
time: 111ms
memory: 82828kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

621258555

result:

ok 1 number(s): "621258555"

Test #12:

score: 0
Accepted
time: 114ms
memory: 82620kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

552098298

result:

ok 1 number(s): "552098298"

Test #13:

score: 0
Accepted
time: 112ms
memory: 82652kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

190431651

result:

ok 1 number(s): "190431651"

Test #14:

score: 0
Accepted
time: 116ms
memory: 82608kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

0

result:

ok 1 number(s): "0"

Test #15:

score: 0
Accepted
time: 112ms
memory: 82708kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

641634738

result:

ok 1 number(s): "641634738"

Test #16:

score: 0
Accepted
time: 109ms
memory: 82604kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

434138343

result:

ok 1 number(s): "434138343"

Test #17:

score: 0
Accepted
time: 114ms
memory: 82788kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

70334815

result:

ok 1 number(s): "70334815"

Test #18:

score: 0
Accepted
time: 112ms
memory: 82548kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

26692788

result:

ok 1 number(s): "26692788"

Test #19:

score: 0
Accepted
time: 112ms
memory: 82636kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

513359183

result:

ok 1 number(s): "513359183"

Test #20:

score: 0
Accepted
time: 108ms
memory: 82616kb

input:

3000
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...

output:

144382583

result:

ok 1 number(s): "144382583"

Test #21:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

1
0

output:

1

result:

ok 1 number(s): "1"

Test #22:

score: 0
Accepted
time: 0ms
memory: 3512kb

input:

1
1

output:

1

result:

ok 1 number(s): "1"

Test #23:

score: 0
Accepted
time: 1ms
memory: 3560kb

input:

2
10
01

output:

0

result:

ok 1 number(s): "0"

Test #24:

score: 0
Accepted
time: 106ms
memory: 82648kb

input:

3000
1???11111??1???1?1?1111?1111??11?11?????11?1?1?1?1?1???111???111???11?1???11?11??1?11???1??111???11??1????1??1?111??1111?1??1?1?1?1111?1??11?111?1?1??11???11?1?1111??11???????1????1???1?1??111?11?1??1111?1111?1????11?11?1??1?1???1????11?1111?1?1?1??1111???1?11?111?1????1?1?11?11???1???????111?1...

output:

354584112

result:

ok 1 number(s): "354584112"

Test #25:

score: 0
Accepted
time: 112ms
memory: 82652kb

input:

3000
111?1111??11??1?1??1???1?????111???1?11111??1?111?1??1?1????11?11111??1??1?11??11????1??11??11?1???1111???1?11?111?11?1???1?11?11?111?11??1???????1?1??11?1111??????1?1??1111????111111111???1?111??1???111???1?11??11?1??1?11??1?1?111?????1??11?1????1???11??1?11?11111?1111??1?1?1?1???1?11111?1?111...

output:

46093564

result:

ok 1 number(s): "46093564"

Test #26:

score: 0
Accepted
time: 72ms
memory: 82592kb

input:

3000
1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

1

result:

ok 1 number(s): "1"

Test #27:

score: 0
Accepted
time: 62ms
memory: 82620kb

input:

3000
1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

1

result:

ok 1 number(s): "1"

Extra Test:

score: 0
Extra Test Passed