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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
#742770#5442. Referee Without RedwosileRE 340ms108256kbC++146.0kb2024-11-13 17:17:102024-11-13 17:17:16

Judging History

你现在查看的是最新测评结果

  • [2024-11-13 17:17:16]
  • 评测
  • 测评结果:RE
  • 用时:340ms
  • 内存:108256kb
  • [2024-11-13 17:17:10]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int Tc,n,m;
#define N 1000005
vector<int>a[N],bp[N],bq[N];
int p[N],q[N],fp[N],fq[N],fa[N];
int find(int *f,int x){
    if(f[x]==x)return x;
    return f[x]=find(f,f[x]);
}
inline void merge(int *f,int x,int y){
    int fx=find(f,x),fy=find(f,y);
    if(fx!=fy)f[fx]=fy;
}
int lmx[N],kmp[N];
#define mod 998244353
inline int calc(vector<int>&s){
    int len=s.size();
    s.insert(s.begin(),0);
    // for(int i=2;i<=len;i++){
    //     int tmp=kmp[i-1];
    //     while(s[tmp+1]!=s[i] && tmp>0)tmp=kmp[tmp];
    //     if(s[tmp+1]==s[i])kmp[i]=tmp+1;
    //     else kmp[i]=tmp;
    // }
    // int tmp=kmp[len];
    // while(len%(len-tmp)){
    //     tmp=kmp[tmp];
    //     // cerr<<tmp<<endl;
    // }
    // return len-tmp;
    for(int i=1;i<=len;i++)if(len%i==0){
        int fl=1;
        for(int j=i+1;j<=len;j++)if(s[j]!=s[j-i])fl=0;
        if(fl)return i;
    }
    return len;
}
vector<int>tmp;
typedef long long ll;
int qp(int x,int y){
    int ans=1;
    while(y){
        if(y&1)ans=(ll)ans*x%mod;
        x=(ll)x*x%mod;
        y>>=1;
    }
    return ans;
}
int cnt[N*3],ft[N],ift[N],inv[N],sz[N];
int main(){
    // freopen("matrix.in","r",stdin);
    // freopen("matrix.out","w",stdout);
    scanf("%d",&Tc);
    while(Tc--){
        // input
        // cerr<<"input start"<<endl;
        scanf("%d%d",&n,&m);
        ft[0]=1;
        for(int i=1;i<=n*m;i++)ft[i]=(ll)ft[i-1]*i%mod;
        ift[n*m]=qp(ft[n*m],mod-2);
        for(int i=n*m;i>=1;i--)ift[i-1]=(ll)ift[i]*i%mod;
        for(int i=1;i<=n*m;i++)inv[i]=(ll)ift[i]*ft[i-1]%mod;
        for(int i=1;i<=n;i++)a[i].resize(m+2);
        for(int i=1;i<=n;i++){
            if(i&1)p[i]=i/2+1;
            else p[i]=i/2+(n+1)/2;
        }
        for(int i=1;i<=m;i++){
            if(i&1)q[i]=i/2+1;
            else q[i]=i/2+(m+1)/2;
        }
        // for(int i=1;i<=n;i++)scanf("%d",&p[i]);
        // for(int j=1;j<=m;j++)scanf("%d",&q[j]);
        for(int i=1;i<=n;i++)for(int j=1;j<=m;j++)scanf("%d",&a[i][j]);

        // blocking
        // cerr<<"blocking start"<<endl;
        for(int i=1;i<=n;i++)fp[i]=i;
        for(int i=1;i<=m;i++)fq[i]=i;
        for(int i=1;i<=n;i++)merge(fp,i,p[i]);
        for(int i=1;i<=m;i++)merge(fq,i,q[i]);
        for(int i=1;i<=n;i++)bp[i].clear();
        for(int i=1;i<=m;i++)bq[i].clear();
        for(int i=1;i<=n;i++)if(find(fp,i)==i){
            int tmp=i;
            do{
                bp[i].push_back(tmp);
                tmp=p[tmp];
            }
            while(tmp!=i);
        }
        for(int i=1;i<=m;i++)if(find(fq,i)==i){
            int tmp=i;
            do{
                bq[i].push_back(tmp);
                tmp=q[tmp];
            }
            while(tmp!=i);
        }
        int ans=1;

        // long note
        // cerr<<"long note start"<<endl;
        for(int i=1;i<=n;i++)if(find(fp,i)==i && bp[i].size()==1){
            for(int j=1;j<=m;j++)lmx[j]=0;
            for(int j=1;j<=m;j++)if(find(fq,j)==j){
                tmp.clear();
                for(int x:bq[j])tmp.push_back(a[i][x]);
                // if(tmp.size()==368 && i==1){
                //     for(int x:tmp)printf("%d ",x);
                //     printf("\n");
                // }
                // printf("qwq=%llu\n",tmp.size());
                int len=calc(tmp);
                
                // printf("len=%d\n",len);
                for(int p=2;p<=len;p++){
                    int cnt=0;
                    while(len%p==0){
                        ++cnt;
                        len/=p;
                    }
                    lmx[p]=max(lmx[p],cnt);
                }
            }
            // cout<<"long i="<<i<<endl;
            // for(int j=1;j<=n;j++)printf("%d ",lmx[j]);printf("\n");
            for(int j=1;j<=m;j++){
                ans=(ll)ans*qp(j,lmx[j])%mod;
                // if(lmx[j])printf("%d %d\n",j,lmx[j]);
            }
        }
        // cerr<<"long note halfway"<<endl;
        for(int i=1;i<=m;i++)if(find(fq,i)==i && bq[i].size()==1){
            // cerr<<"i="<<i<<endl;
            for(int j=1;j<=n;j++)lmx[j]=0;
            // cerr<<"i="<<i<<endl;
            for(int j=1;j<=n;j++)if(find(fp,j)==j){
                tmp.clear();
                for(int x:bp[j])tmp.push_back(a[x][i]);
                int len=calc(tmp);
                // cerr<<"len="<<len<<endl;
                for(int p=2;p<=len;p++){
                    int cnt=0;
                    while(len%p==0){
                        ++cnt;
                        len/=p;
                    }
                    lmx[p]=max(lmx[p],cnt);
                }
            }
            // cout<<"long i="<<i<<endl;
            // for(int j=1;j<=n;j++)printf("%d ",lmx[j]);printf("\n");
            for(int j=1;j<=n;j++)ans=(ll)ans*qp(j,lmx[j])%mod;
        }
        // cerr<<"ans="<<ans<<endl;
        // fat note
        // cerr<<"fat note start "<<endl;
        for(int i=0;i<=n+m;i++)fa[i]=i;
        for(int i=1;i<=n;i++)if(find(fp,i)==i && bp[i].size()>1)for(int j=1;j<=m;j++)if(find(fq,j)==j && bq[j].size()>1){
            // cerr<<i<<' '<<j<<endl;
            // assert(false);
            int fl=0,prod=ft[bp[i].size()*bq[j].size()];
            // printf("prod=%d\n",prod);
            for(int x:bp[i])for(int y:bq[j]){
                cnt[a[x][y]]++;
                prod=(ll)prod*inv[cnt[a[x][y]]]%mod;
                if(cnt[a[x][y]]>1)fl=1;
            }
            for(int x:bp[i])for(int y:bq[j])cnt[a[x][y]]--;
            if(fl){
                ans=(ll)ans*prod%mod;
                continue;
            }
            ans=(ll)ans*prod%mod*inv[2]%mod;
            merge(fa,(bp[i].size()&1)?0:j+n,(bq[j].size()&1)?0:i);
        }
        for(int i=0;i<=n+m;i++)sz[i]=0;
        for(int i=0;i<=n+m;i++){
            sz[find(fa,i)]++;
            if(sz[find(fa,i)]>1)ans=ans*2%mod;
        }
        printf("%d\n",ans);
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 17ms
memory: 97136kb

input:

2
4 4
1 2 3 4
3 4 1 2
1 2 4 1
4 3 3 2
3 9
1 8 1 1 8 1 1 8 1
1 8 8 8 8 8 8 8 1
1 1 1 8 8 8 1 1 1

output:

96
6336

result:

ok 2 number(s): "96 6336"

Test #2:

score: 0
Accepted
time: 10ms
memory: 97324kb

input:

1
18 16
8 8 1 1 8 8 8 1 8 8 8 1 8 8 8 1
8 1 8 1 8 1 1 1 8 1 1 1 8 1 1 1
8 8 8 1 8 8 8 1 8 8 8 1 8 8 8 1
8 8 1 1 8 1 1 1 8 1 1 1 8 1 1 1
8 1 8 1 8 8 8 1 8 1 1 1 8 8 8 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
8 8 1 1 8 8 8 1 8 8 8 1 7 7 7 1
8 1 8 1 8 1 1 1 8 1 1 1 1 1 7 1
8 8 8 1 8 8 8 1 8 8 8 1 1 7 7 1
8 8 ...

output:

690561281

result:

ok 1 number(s): "690561281"

Test #3:

score: 0
Accepted
time: 340ms
memory: 105220kb

input:

71117
7 8
2868391 1228870 2892937 349733 664891 1675356 1981526 762573
2892937 2892937 664891 1228870 959280 762573 664891 959280
349733 250147 1675356 349733 349733 762573 1675356 250147
1675356 959280 664891 250147 250147 250147 2868391 959280
1675356 664891 250147 1228870 1981526 250147 2868391 2...

output:

462363428
38853786
194740086
215040
40320
322560
32456681
1166400
887214222
542386470
375765881
9
4
361590980
913481201
527607149
85428015
311271219
16
645120
557106771
388800
173057174
232068778
460990604
1
239327783
9
145293043
40098691
97370043
799392782
155415144
1
36
3991680
645120
545661527
55...

result:

ok 71117 numbers

Test #4:

score: 0
Accepted
time: 269ms
memory: 108256kb

input:

755
63 63
2320566 2175957 1897863 2154093 2551257 1353847 334243 2310922 489697 2025148 2898381 1301433 2025918 2624822 916273 446350 489697 1834347 1618696 1170954 1947467 565649 1188980 818151 2167497 604100 933579 1526487 727797 1757541 6096 437958 328396 1130316 1468846 836834 1116369 1764066 23...

output:

287964952
603855872
35995619
2358812
337581814
287964952
287964952
287964952
287964952
779896829
287964952
287964952
287964952
585654112
866781526
35995619
143982476
287964952
287964952
35995619
287964952
287964952
287964952
287964952
287964952
545250000
287964952
71991238
356745197
143982476
287964...

result:

ok 755 numbers

Test #5:

score: -100
Runtime Error

input:

3734
20000 67
1389602 980790 2386085 1588484 2146516 1958159 642773 1716215 8079 1390992 1759761 2249217 765459 1929585 2118921 2105012 772668 984626 547175 1431565 170214 158951 1747481 720208 2833374 1145557 935993 2380503 1866168 1786126 914416 226298 685975 2045140 2995280 2664012 2149948 123450...

output:


result: