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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#829956#9611. 木桶效应zhouqixuan100 ✓1112ms7364kbC++143.2kb2024-12-24 15:04:272024-12-24 15:04:28

Judging History

你现在查看的是最新测评结果

  • [2024-12-24 15:04:28]
  • 评测
  • 测评结果:100
  • 用时:1112ms
  • 内存:7364kb
  • [2024-12-24 15:04:27]
  • 提交

answer

#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
#include<map>
using namespace std;
typedef long long LL;
#define E(i, j, k) for (int i = j; i <= k; ++i)
const int N=60;
const int M=1<<10;
const int mod=998244353;
int n,m,q;
int fact[N],infact[N];
map<int,int>mp1,mp2;
int R,Y;
int a[N][N];
int cnt[M],U[M][11][N];
int f[2][N][M],g[N][M],w[N][M];
int minn[M];
int qmi(int x,int k){
    int res=1;
    while(k){
        if(k&1) res=(LL)res*x%mod;
        x=(LL)x*x%mod;
        k>>=1;
    }
    return res;
}
void init(int n){
    fact[0]=infact[0]=1;
    for(int i=1;i<=n;i++) fact[i]=(LL)fact[i-1]*i%mod;
    infact[n]=qmi(fact[n],mod-2);
    for(int i=n-1;i;i--) infact[i]=(LL)infact[i+1]*(i+1)%mod;
    return;
}
int C(int n,int m){
    if(n<m) return 0;
    return (LL)fact[n]*infact[m]%mod*infact[n-m]%mod;
}
void add(int& x,int y){
    x+=y;if(x>=mod) x-=mod;
}
int main(){
    // freopen("1.out","w",stdout);
    init(N-5);
    scanf("%d%d%d",&n,&m,&q);
    while(q--){
        int x,y,w;
        scanf("%d%d%d",&x,&y,&w);
        if(!mp1.count(x)) mp1[x]=++R;
        if(!mp2.count(y)) mp2[y]=++Y;
        x=mp1[x],y=mp2[y];
        a[x][y]=w;
    }
    for(int S=1;S<(1<<Y);S++){
        cnt[S]=cnt[S-(S&(-S))]+1;
        for(int l=1;l<=R;l++)
            for(int i=1;i<=n;i++)
                for(int j=1;j<=Y;j++)
                    if((S>>(j-1)&1) && a[l][j]>=i)
                        U[S][l][i]++;
    }
    f[0][0][0]=1;
    memset(minn,0x3f,sizeof(minn));
    for(int S=0;S<(1<<Y);S++)
        for(int x=1;x<=R;x++)
            for(int y=1;y<=Y;y++)
                if(!(S>>(y-1)&1) && a[x][y])
                    minn[S]=min(minn[S],a[x][y]);
    for(int i=1;i<=n;i++){
        memset(w,0,sizeof(w));
        int last=i-1,v=last&1,u=v^1;
        for(int j=i;j<=n;j++){
            for(int k=last;k<=j;k++)
                for(int T=0;T<(1<<Y);T++){
                    int s=(LL)f[v][k][T]*qmi(infact[k-i+1],m-R)%mod;
                    for(int l=1;l<=R;l++)
                        if(k-i+1-U[T][l][i]>=0) 
                            s=(LL)s*infact[k-i+1-U[T][l][i]]%mod;
                        else s=0;
                    // cout<<s<<endl;
                    add(w[k-cnt[T]+8][T],s);
                }
            last=j+1;
            memcpy(g,w,sizeof(g));
            for(int i=0;i<=j+8;i++)
                for(int d=0;d<Y;d++)
                    for(int S=0;S<(1<<Y);S++)
                        if(S>>d&1)
                            add(g[i][S],g[i][S^(1<<d)]);
            for(int S=0;S<(1<<Y);S++)
                if(minn[S]>i){
                    int p=qmi(fact[j-i+1],m-R),s=0;
                    for(int l=1;l<=R;l++)
                        if(j-i+1-U[S][l][i]>=0) 
                            p=(LL)p*fact[j-i+1-U[S][l][i]]%mod;
                        else p=0;
                    for(int pp=-8;pp<=j;pp++)
                        if(j-cnt[S]-pp>=0)
                            add(s,(LL)C(n-Y-pp,j-cnt[S]-pp)*g[pp+8][S]%mod);
                    f[u][j][S]=(LL)s*p%mod;
                }
                else f[u][j][S]=0;
        }
    }
    cout<<f[n&1][n][(1<<Y)-1]<<endl;
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 4
Accepted

Test #1:

score: 4
Accepted
time: 0ms
memory: 4212kb

input:

5 3 0

output:

21412920

result:

ok single line: '21412920'

Test #2:

score: 4
Accepted
time: 1ms
memory: 4228kb

input:

5 3 2
3 4 4
2 5 3

output:

847674

result:

ok single line: '847674'

Test #3:

score: 4
Accepted
time: 0ms
memory: 6008kb

input:

5 3 3
3 5 5
1 2 5
2 5 3

output:

168780

result:

ok single line: '168780'

Subtask #2:

score: 8
Accepted

Dependency #1:

100%
Accepted

Test #4:

score: 8
Accepted
time: 1ms
memory: 4224kb

input:

7 3 0

output:

160221085

result:

ok single line: '160221085'

Test #5:

score: 8
Accepted
time: 1ms
memory: 4228kb

input:

7 3 2
1 1 5
1 6 2

output:

598007855

result:

ok single line: '598007855'

Test #6:

score: 8
Accepted
time: 1ms
memory: 4360kb

input:

7 3 3
1 1 5
2 6 3
2 1 7

output:

950880222

result:

ok single line: '950880222'

Subtask #3:

score: 8
Accepted

Test #7:

score: 8
Accepted
time: 8ms
memory: 5892kb

input:

50 1 0

output:

263941435

result:

ok single line: '263941435'

Test #8:

score: 8
Accepted
time: 6ms
memory: 4460kb

input:

43 2 0

output:

136378346

result:

ok single line: '136378346'

Test #9:

score: 8
Accepted
time: 4ms
memory: 6332kb

input:

50 2 0

output:

489087596

result:

ok single line: '489087596'

Subtask #4:

score: 12
Accepted

Dependency #3:

100%
Accepted

Test #10:

score: 12
Accepted
time: 8ms
memory: 6308kb

input:

50 292247015 0

output:

226872193

result:

ok single line: '226872193'

Test #11:

score: 12
Accepted
time: 8ms
memory: 4708kb

input:

50 873009728 0

output:

63648791

result:

ok single line: '63648791'

Subtask #5:

score: 16
Accepted

Dependency #2:

100%
Accepted

Dependency #4:

100%
Accepted

Test #12:

score: 16
Accepted
time: 0ms
memory: 4536kb

input:

20 728836785 5
248289571 15 16
439110385 8 15
339467267 12 7
585491339 7 9
605518440 4 1

output:

761275883

result:

ok single line: '761275883'

Test #13:

score: 16
Accepted
time: 4ms
memory: 4476kb

input:

20 288197925 5
31379347 9 1
222153278 1 1
24531748 20 1
106427339 18 1
212338331 17 1

output:

877851586

result:

ok single line: '877851586'

Test #14:

score: 16
Accepted
time: 5ms
memory: 4536kb

input:

20 880439688 5
563540321 17 20
395236367 3 20
300712779 6 20
121406689 18 20
25890496 9 20

output:

186649553

result:

ok single line: '186649553'

Test #15:

score: 16
Accepted
time: 2ms
memory: 5984kb

input:

20 311402369 5
311293636 14 13
306211116 19 19
36858994 5 11
36858994 19 10
306211116 14 18

output:

415461922

result:

ok single line: '415461922'

Test #16:

score: 16
Accepted
time: 3ms
memory: 4376kb

input:

20 98953332 5
1075868 12 5
31161114 8 12
46790018 9 10
39214697 15 7
46790018 8 8

output:

204149614

result:

ok single line: '204149614'

Subtask #6:

score: 12
Accepted

Dependency #5:

100%
Accepted

Test #17:

score: 12
Accepted
time: 28ms
memory: 4744kb

input:

50 915702052 5
541920465 39 16
833447607 49 14
326677362 14 34
412319566 10 36
206682128 46 28

output:

783441394

result:

ok single line: '783441394'

Test #18:

score: 12
Accepted
time: 20ms
memory: 5812kb

input:

50 47879239 5
30666754 20 1
23945845 17 1
27229141 25 1
40551703 9 1
15723198 18 1

output:

546399382

result:

ok single line: '546399382'

Test #19:

score: 12
Accepted
time: 34ms
memory: 6808kb

input:

50 334191703 5
167838076 19 50
95127599 33 50
221030062 4 50
89223523 36 50
40736662 39 50

output:

242104112

result:

ok single line: '242104112'

Test #20:

score: 12
Accepted
time: 12ms
memory: 5928kb

input:

50 33538004 5
1341436 40 26
19132404 4 13
22271562 24 25
19132404 40 18
19132404 24 38

output:

509216038

result:

ok single line: '509216038'

Test #21:

score: 12
Accepted
time: 14ms
memory: 4620kb

input:

50 453197583 5
304895210 17 41
450727109 33 20
129855576 4 24
214262208 12 46
214262208 4 27

output:

929330226

result:

ok single line: '929330226'

Subtask #7:

score: 20
Accepted

Dependency #6:

100%
Accepted

Test #22:

score: 20
Accepted
time: 105ms
memory: 6560kb

input:

50 733592974 7
204969642 20 32
532101473 38 22
428067108 29 19
699479674 23 35
403248947 11 33
523610998 39 50
207894041 37 47

output:

878602112

result:

ok single line: '878602112'

Test #23:

score: 20
Accepted
time: 67ms
memory: 6996kb

input:

50 363989184 7
275675456 32 1
14440487 41 1
84675645 18 1
112753584 7 1
259289962 30 1
244964889 42 1
34667760 27 1

output:

125183718

result:

ok single line: '125183718'

Test #24:

score: 20
Accepted
time: 123ms
memory: 6104kb

input:

50 987882639 7
17913003 22 50
440453368 26 50
849090802 8 50
106136773 13 50
491841612 34 50
131376512 15 50
231961452 39 50

output:

573542486

result:

ok single line: '573542486'

Test #25:

score: 20
Accepted
time: 16ms
memory: 6236kb

input:

50 739368354 7
163377222 20 27
192827369 29 10
688310083 50 13
20398047 27 45
688310083 29 11
192827369 20 5
688310083 27 27

output:

528550901

result:

ok single line: '528550901'

Test #26:

score: 20
Accepted
time: 26ms
memory: 5920kb

input:

50 691852384 7
552436456 27 11
103126750 8 13
122888842 49 34
306609066 7 11
553011271 38 32
553011271 27 47
553011271 49 50

output:

407673475

result:

ok single line: '407673475'

Test #27:

score: 20
Accepted
time: 47ms
memory: 4672kb

input:

50 828246844 7
528561184 35 4
15522388 43 35
679004541 17 20
161133582 6 20
289045078 32 49
705209075 24 38
705209075 17 44

output:

734432988

result:

ok single line: '734432988'

Subtask #8:

score: 12
Accepted

Dependency #7:

100%
Accepted

Test #28:

score: 12
Accepted
time: 430ms
memory: 6480kb

input:

50 818455715 9
460012830 5 33
118588510 47 47
281020207 23 25
175303600 1 18
234157803 48 32
256460906 19 46
287657461 24 13
81772046 14 22
114821805 44 41

output:

863394340

result:

ok single line: '863394340'

Test #29:

score: 12
Accepted
time: 328ms
memory: 7364kb

input:

50 24969517 9
23565097 13 1
11005666 43 1
21727790 47 1
12763778 6 1
6881701 34 1
2985794 23 1
13971040 15 1
13187518 29 1
1995154 12 1

output:

755357189

result:

ok single line: '755357189'

Test #30:

score: 12
Accepted
time: 525ms
memory: 5984kb

input:

50 429772980 9
414497820 4 50
141139445 19 50
407732495 7 50
83785413 1 50
164351908 8 50
213988430 26 50
52240611 50 50
352159955 27 50
279326344 29 50

output:

247413078

result:

ok single line: '247413078'

Test #31:

score: 12
Accepted
time: 44ms
memory: 6168kb

input:

50 919810726 9
403069670 48 3
193931638 39 28
821686776 22 11
432351038 8 49
466123383 14 34
254851369 2 48
193931638 48 38
821686776 8 19
254851369 8 20

output:

481094724

result:

ok single line: '481094724'

Test #32:

score: 12
Accepted
time: 76ms
memory: 4984kb

input:

50 619619808 9
140356219 25 31
289966305 18 15
308904151 23 44
530131662 15 2
174186843 35 5
452736627 42 7
12231110 21 2
308904151 18 33
140356219 18 30

output:

194056785

result:

ok single line: '194056785'

Test #33:

score: 12
Accepted
time: 163ms
memory: 6296kb

input:

50 405638475 9
189173757 25 33
313860932 22 8
196599730 26 6
273814431 3 2
52701532 15 14
335951766 19 3
313077524 29 13
349363426 7 15
313860932 19 19

output:

435209021

result:

ok single line: '435209021'

Subtask #9:

score: 8
Accepted

Dependency #8:

100%
Accepted

Test #34:

score: 8
Accepted
time: 791ms
memory: 7360kb

input:

50 946059042 10
160844820 11 40
246397981 49 28
373026730 1 18
602144414 9 9
284028279 39 44
22155194 16 2
851925494 6 17
862159117 27 32
773018252 10 20
462257810 48 19

output:

680391855

result:

ok single line: '680391855'

Test #35:

score: 8
Accepted
time: 705ms
memory: 7168kb

input:

50 260661857 10
70899239 47 1
248286199 34 1
49459370 23 1
110741847 3 1
13147285 19 1
75609139 10 1
16001621 49 1
258636033 17 1
41404092 36 1
259336018 9 1

output:

621578303

result:

ok single line: '621578303'

Test #36:

score: 8
Accepted
time: 1112ms
memory: 7268kb

input:

50 444766827 10
138606634 2 50
356874907 48 50
186818234 44 50
328471606 8 50
57922803 45 50
442175507 50 50
45412871 41 50
111164719 24 50
278665393 39 50
49548102 15 50

output:

476500313

result:

ok single line: '476500313'

Test #37:

score: 8
Accepted
time: 77ms
memory: 6224kb

input:

50 471185620 10
330350191 32 46
19091103 17 9
383913632 38 25
125638511 4 13
227803510 12 49
140314389 27 34
97824926 22 46
19091103 27 16
140314389 38 4
97824926 12 1

output:

746959227

result:

ok single line: '746959227'

Test #38:

score: 8
Accepted
time: 194ms
memory: 6656kb

input:

50 534235345 10
505481965 11 39
325061903 12 35
443938537 40 20
144968487 29 31
292692014 18 39
423914803 14 36
221863124 46 41
413488879 5 39
413488879 14 5
325061903 11 42

output:

83413094

result:

ok single line: '83413094'

Test #39:

score: 8
Accepted
time: 360ms
memory: 5896kb

input:

50 268783055 10
164040236 5 3
77416439 15 8
215664484 32 34
84807773 8 44
242418459 20 43
132116147 31 13
11369559 50 23
264864429 6 42
153908131 3 27
132116147 20 50

output:

858392519

result:

ok single line: '858392519'

Test #40:

score: 8
Accepted
time: 42ms
memory: 4740kb

input:

50 680178330 10
381317639 8 3
97592656 22 6
66456445 4 9
277935856 2 13
629083753 35 33
86588466 7 25
86588466 8 6
66456445 22 11
97592656 8 23
277935856 7 24

output:

274256402

result:

ok single line: '274256402'