QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#400143 | #8552. Sticks | ocharin | AC ✓ | 119ms | 82836kb | C++23 | 1.6kb | 2024-04-27 01:15:54 | 2024-04-27 01:15:55 |
Judging History
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
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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