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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#771909#6614. Cards of Magicucup-team3161#AC ✓29ms35436kbC++171.8kb2024-11-22 16:16:202024-11-22 16:16:21

Judging History

你现在查看的是最新测评结果

  • [2024-11-22 16:16:21]
  • 评测
  • 测评结果:AC
  • 用时:29ms
  • 内存:35436kb
  • [2024-11-22 16:16:20]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define eb emplace_back
const int N=1e6+5,MOD=998244353,inv2=(MOD+1)/2;
int n,inv3,ans,fc[N],invfc[N],pw[N],pw1[N],w[N],f[N][2][2],g[N][2][2][2];
void W(int &x,int y) {x+=y;if(x>=MOD) x-=MOD;}
void W(int &x,ll y) {x=(x+y)%MOD;}
int W1(int x,int y) {x+=y;return x<MOD?x:x-MOD;}
int qpow(int x,int y)
{
	int res=1;
	for(;y;y/=2,x=1ll*x*x%MOD)
		if(y&1) res=1ll*res*x%MOD;
	return res;
}
void init(int n)
{
	fc[0]=invfc[0]=1;
	for(int i=1;i<=n;++i) fc[i]=1ll*fc[i-1]*i%MOD;
	invfc[n]=qpow(fc[n],MOD-2);
	for(int i=n;i;--i) invfc[i-1]=1ll*invfc[i]*i%MOD;
    pw[0]=pw1[0]=1;
    pw[1]=qpow(3,MOD-2);pw1[1]=2ll*pw[1]%MOD;
    for(int i=1;i<=n;++i)
    {
        pw[i]=1ll*pw[i-1]*pw[1]%MOD;
        pw1[i]=1ll*pw1[i-1]*pw1[1]%MOD;
    }
    for(int i=0;i<=n;++i) w[i]=W1(pw1[i],MOD-pw[i]);
}
int bn(int x,int y)
{return x<y || y<0?0:1ll*fc[x]*invfc[y]%MOD*invfc[x-y]%MOD;}
int main()
{
	scanf("%d",&n);
	init(1e6);
    inv3=qpow(3,MOD-2);
    ans=3ll*inv2%MOD;
    for(int i=1;i*2<n;++i) W(ans,w[i]);
    f[0][0][0]=g[0][0][0][0]=1;
    for(int i=0;i<n;++i)
        for(int j=0;j<2;++j)
            for(int k=0;k<2;++k)
            {
                int t=1ll*f[i][j][k]*inv3%MOD;
                W(f[i+1][1][k],t);
                if(!k) W(f[i+2][j][k+1],t);
            }
    for(int i=0;i<n;++i)
        for(int j=0;j<2;++j)
            for(int k=0;k<2;++k)
                for(int l=0;l<2;++l)
                {
                    int t=1ll*g[i][j][k][l]*inv3%MOD;
                    W(g[i+1][1][k][l],t);
                    W(g[i+3][j][1][l],t);
                    if(!l) W(g[i+4][j][k][l+1],t);
                }
    for(int i=0;i<=n;++i)
        for(int j=0;j<2;++j)
            W(ans,W1(f[i][1][j],g[i][1][1][j]));
    printf("%d\n",ans);
	return 0;
}

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Details

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Test #1:

score: 100
Accepted
time: 18ms
memory: 26156kb

input:

1

output:

831870296

result:

ok 1 number(s): "831870296"

Test #2:

score: 0
Accepted
time: 15ms
memory: 25828kb

input:

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output:

835978299

result:

ok 1 number(s): "835978299"

Test #3:

score: 0
Accepted
time: 14ms
memory: 26588kb

input:

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output:

277290100

result:

ok 1 number(s): "277290100"

Test #4:

score: 0
Accepted
time: 14ms
memory: 26576kb

input:

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output:

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result:

ok 1 number(s): "979758349"

Test #5:

score: 0
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time: 7ms
memory: 25792kb

input:

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output:

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ok 1 number(s): "141726053"

Test #6:

score: 0
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time: 15ms
memory: 26304kb

input:

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output:

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ok 1 number(s): "393683476"

Test #7:

score: 0
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memory: 25840kb

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ok 1 number(s): "206541188"

Test #8:

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time: 7ms
memory: 26400kb

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ok 1 number(s): "993603837"

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memory: 27164kb

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ok 1 number(s): "709289564"

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score: 0
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memory: 25948kb

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ok 1 number(s): "445988648"

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memory: 26772kb

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ok 1 number(s): "622925737"

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memory: 25904kb

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ok 1 number(s): "363599458"

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memory: 26952kb

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ok 1 number(s): "338621482"

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memory: 26736kb

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ok 1 number(s): "397966377"

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memory: 25524kb

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ok 1 number(s): "911767168"

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score: 0
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time: 13ms
memory: 25992kb

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ok 1 number(s): "664727836"

Test #17:

score: 0
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time: 15ms
memory: 25836kb

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ok 1 number(s): "868443132"

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score: 0
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time: 15ms
memory: 25716kb

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ok 1 number(s): "796806191"

Test #19:

score: 0
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time: 11ms
memory: 25924kb

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ok 1 number(s): "36284050"

Test #20:

score: 0
Accepted
time: 7ms
memory: 27104kb

input:

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output:

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ok 1 number(s): "78593146"

Test #21:

score: 0
Accepted
time: 18ms
memory: 26048kb

input:

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output:

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ok 1 number(s): "113581844"

Test #22:

score: 0
Accepted
time: 15ms
memory: 25840kb

input:

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output:

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ok 1 number(s): "652629455"

Test #23:

score: 0
Accepted
time: 18ms
memory: 27204kb

input:

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output:

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ok 1 number(s): "26889816"

Test #24:

score: 0
Accepted
time: 14ms
memory: 27532kb

input:

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output:

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ok 1 number(s): "973075191"

Test #25:

score: 0
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time: 15ms
memory: 25516kb

input:

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output:

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ok 1 number(s): "606233734"

Test #26:

score: 0
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time: 15ms
memory: 25596kb

input:

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output:

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result:

ok 1 number(s): "251968195"

Test #27:

score: 0
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time: 18ms
memory: 25448kb

input:

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output:

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ok 1 number(s): "160663854"

Test #28:

score: 0
Accepted
time: 7ms
memory: 27372kb

input:

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output:

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ok 1 number(s): "644704526"

Test #29:

score: 0
Accepted
time: 15ms
memory: 26076kb

input:

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output:

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result:

ok 1 number(s): "880366020"

Test #30:

score: 0
Accepted
time: 18ms
memory: 27200kb

input:

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output:

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ok 1 number(s): "563180515"

Test #31:

score: 0
Accepted
time: 18ms
memory: 26456kb

input:

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output:

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ok 1 number(s): "488966461"

Test #32:

score: 0
Accepted
time: 14ms
memory: 27376kb

input:

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output:

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result:

ok 1 number(s): "73977159"

Test #33:

score: 0
Accepted
time: 11ms
memory: 26308kb

input:

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output:

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result:

ok 1 number(s): "478257304"

Test #34:

score: 0
Accepted
time: 11ms
memory: 25888kb

input:

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output:

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ok 1 number(s): "840731886"

Test #35:

score: 0
Accepted
time: 18ms
memory: 26732kb

input:

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output:

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ok 1 number(s): "116945142"

Test #36:

score: 0
Accepted
time: 19ms
memory: 27120kb

input:

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output:

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result:

ok 1 number(s): "965694497"

Test #37:

score: 0
Accepted
time: 14ms
memory: 26308kb

input:

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output:

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result:

ok 1 number(s): "167489378"

Test #38:

score: 0
Accepted
time: 14ms
memory: 26504kb

input:

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output:

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result:

ok 1 number(s): "100691350"

Test #39:

score: 0
Accepted
time: 11ms
memory: 26044kb

input:

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output:

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ok 1 number(s): "160240217"

Test #40:

score: 0
Accepted
time: 11ms
memory: 27288kb

input:

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output:

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result:

ok 1 number(s): "151280240"

Test #41:

score: 0
Accepted
time: 15ms
memory: 26980kb

input:

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output:

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ok 1 number(s): "521028725"

Test #42:

score: 0
Accepted
time: 15ms
memory: 26204kb

input:

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output:

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result:

ok 1 number(s): "691288796"

Test #43:

score: 0
Accepted
time: 18ms
memory: 26856kb

input:

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output:

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result:

ok 1 number(s): "695894234"

Test #44:

score: 0
Accepted
time: 11ms
memory: 26248kb

input:

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output:

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result:

ok 1 number(s): "216804850"

Test #45:

score: 0
Accepted
time: 14ms
memory: 27244kb

input:

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output:

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result:

ok 1 number(s): "39241895"

Test #46:

score: 0
Accepted
time: 15ms
memory: 27400kb

input:

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output:

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result:

ok 1 number(s): "471395300"

Test #47:

score: 0
Accepted
time: 15ms
memory: 27140kb

input:

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output:

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result:

ok 1 number(s): "957503329"

Test #48:

score: 0
Accepted
time: 18ms
memory: 26880kb

input:

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output:

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result:

ok 1 number(s): "658978397"

Test #49:

score: 0
Accepted
time: 11ms
memory: 26652kb

input:

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output:

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result:

ok 1 number(s): "99569804"

Test #50:

score: 0
Accepted
time: 15ms
memory: 26420kb

input:

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output:

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result:

ok 1 number(s): "169299123"

Test #51:

score: 0
Accepted
time: 18ms
memory: 25708kb

input:

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output:

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result:

ok 1 number(s): "977734538"

Test #52:

score: 0
Accepted
time: 7ms
memory: 25896kb

input:

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output:

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result:

ok 1 number(s): "970937590"

Test #53:

score: 0
Accepted
time: 11ms
memory: 26312kb

input:

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output:

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result:

ok 1 number(s): "68069121"

Test #54:

score: 0
Accepted
time: 11ms
memory: 25928kb

input:

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output:

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ok 1 number(s): "822014036"

Test #55:

score: 0
Accepted
time: 14ms
memory: 25880kb

input:

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output:

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result:

ok 1 number(s): "984213121"

Test #56:

score: 0
Accepted
time: 13ms
memory: 25516kb

input:

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output:

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result:

ok 1 number(s): "490385842"

Test #57:

score: 0
Accepted
time: 7ms
memory: 26452kb

input:

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output:

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result:

ok 1 number(s): "105448551"

Test #58:

score: 0
Accepted
time: 11ms
memory: 26288kb

input:

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output:

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result:

ok 1 number(s): "276757989"

Test #59:

score: 0
Accepted
time: 15ms
memory: 26080kb

input:

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output:

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result:

ok 1 number(s): "897091044"

Test #60:

score: 0
Accepted
time: 15ms
memory: 26908kb

input:

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output:

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result:

ok 1 number(s): "895458430"

Test #61:

score: 0
Accepted
time: 14ms
memory: 26292kb

input:

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output:

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result:

ok 1 number(s): "225501166"

Test #62:

score: 0
Accepted
time: 19ms
memory: 27224kb

input:

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output:

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result:

ok 1 number(s): "749404996"

Test #63:

score: 0
Accepted
time: 15ms
memory: 26308kb

input:

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output:

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result:

ok 1 number(s): "132833283"

Test #64:

score: 0
Accepted
time: 18ms
memory: 25556kb

input:

1000

output:

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result:

ok 1 number(s): "152309562"

Test #65:

score: 0
Accepted
time: 18ms
memory: 27268kb

input:

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output:

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result:

ok 1 number(s): "479802764"

Test #66:

score: 0
Accepted
time: 18ms
memory: 26316kb

input:

3000

output:

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result:

ok 1 number(s): "652207059"

Test #67:

score: 0
Accepted
time: 14ms
memory: 25644kb

input:

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output:

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result:

ok 1 number(s): "734931577"

Test #68:

score: 0
Accepted
time: 11ms
memory: 26872kb

input:

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output:

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result:

ok 1 number(s): "825472551"

Test #69:

score: 0
Accepted
time: 15ms
memory: 27696kb

input:

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output:

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result:

ok 1 number(s): "330247572"

Test #70:

score: 0
Accepted
time: 19ms
memory: 27380kb

input:

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output:

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result:

ok 1 number(s): "166161267"

Test #71:

score: 0
Accepted
time: 7ms
memory: 26704kb

input:

8000

output:

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result:

ok 1 number(s): "500098577"

Test #72:

score: 0
Accepted
time: 19ms
memory: 27148kb

input:

9000

output:

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result:

ok 1 number(s): "15226803"

Test #73:

score: 0
Accepted
time: 9ms
memory: 25840kb

input:

10000

output:

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result:

ok 1 number(s): "561328420"

Test #74:

score: 0
Accepted
time: 19ms
memory: 27968kb

input:

20000

output:

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result:

ok 1 number(s): "805231759"

Test #75:

score: 0
Accepted
time: 16ms
memory: 28096kb

input:

30000

output:

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result:

ok 1 number(s): "688026059"

Test #76:

score: 0
Accepted
time: 21ms
memory: 28064kb

input:

40000

output:

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result:

ok 1 number(s): "486519283"

Test #77:

score: 0
Accepted
time: 21ms
memory: 27300kb

input:

50000

output:

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result:

ok 1 number(s): "575414887"

Test #78:

score: 0
Accepted
time: 11ms
memory: 28608kb

input:

60000

output:

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result:

ok 1 number(s): "837347269"

Test #79:

score: 0
Accepted
time: 15ms
memory: 29516kb

input:

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output:

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result:

ok 1 number(s): "889708031"

Test #80:

score: 0
Accepted
time: 19ms
memory: 28748kb

input:

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output:

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result:

ok 1 number(s): "500541937"

Test #81:

score: 0
Accepted
time: 23ms
memory: 29712kb

input:

90000

output:

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result:

ok 1 number(s): "62490272"

Test #82:

score: 0
Accepted
time: 16ms
memory: 30448kb

input:

100000

output:

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result:

ok 1 number(s): "975871004"

Test #83:

score: 0
Accepted
time: 24ms
memory: 34584kb

input:

200000

output:

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result:

ok 1 number(s): "621238861"

Test #84:

score: 0
Accepted
time: 18ms
memory: 26052kb

input:

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output:

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result:

ok 1 number(s): "647546249"

Test #85:

score: 0
Accepted
time: 14ms
memory: 26400kb

input:

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output:

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result:

ok 1 number(s): "504698464"

Test #86:

score: 0
Accepted
time: 11ms
memory: 25620kb

input:

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output:

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result:

ok 1 number(s): "158374104"

Test #87:

score: 0
Accepted
time: 14ms
memory: 27664kb

input:

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output:

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ok 1 number(s): "76268439"

Test #88:

score: 0
Accepted
time: 19ms
memory: 26768kb

input:

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output:

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result:

ok 1 number(s): "434000771"

Test #89:

score: 0
Accepted
time: 7ms
memory: 26320kb

input:

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output:

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ok 1 number(s): "972518375"

Test #90:

score: 0
Accepted
time: 15ms
memory: 26676kb

input:

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output:

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ok 1 number(s): "118021377"

Test #91:

score: 0
Accepted
time: 14ms
memory: 26396kb

input:

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output:

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result:

ok 1 number(s): "557425603"

Test #92:

score: 0
Accepted
time: 11ms
memory: 27120kb

input:

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output:

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result:

ok 1 number(s): "763066923"

Test #93:

score: 0
Accepted
time: 15ms
memory: 26584kb

input:

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output:

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result:

ok 1 number(s): "119414004"

Test #94:

score: 0
Accepted
time: 19ms
memory: 26376kb

input:

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output:

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result:

ok 1 number(s): "225059960"

Test #95:

score: 0
Accepted
time: 14ms
memory: 26788kb

input:

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output:

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result:

ok 1 number(s): "797539311"

Test #96:

score: 0
Accepted
time: 20ms
memory: 29884kb

input:

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output:

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result:

ok 1 number(s): "45005343"

Test #97:

score: 0
Accepted
time: 12ms
memory: 28576kb

input:

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output:

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result:

ok 1 number(s): "976562341"

Test #98:

score: 0
Accepted
time: 24ms
memory: 29580kb

input:

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output:

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result:

ok 1 number(s): "979484328"

Test #99:

score: 0
Accepted
time: 23ms
memory: 32668kb

input:

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output:

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result:

ok 1 number(s): "794692128"

Test #100:

score: 0
Accepted
time: 18ms
memory: 29868kb

input:

77620

output:

7849962

result:

ok 1 number(s): "7849962"

Test #101:

score: 0
Accepted
time: 22ms
memory: 29612kb

input:

69995

output:

364205390

result:

ok 1 number(s): "364205390"

Test #102:

score: 0
Accepted
time: 15ms
memory: 33556kb

input:

162241

output:

240880724

result:

ok 1 number(s): "240880724"

Test #103:

score: 0
Accepted
time: 23ms
memory: 34580kb

input:

183966

output:

167125223

result:

ok 1 number(s): "167125223"

Test #104:

score: 0
Accepted
time: 22ms
memory: 35436kb

input:

195541

output:

762776485

result:

ok 1 number(s): "762776485"

Test #105:

score: 0
Accepted
time: 19ms
memory: 31688kb

input:

136901

output:

837991108

result:

ok 1 number(s): "837991108"

Test #106:

score: 0
Accepted
time: 19ms
memory: 33524kb

input:

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output:

384410784

result:

ok 1 number(s): "384410784"

Test #107:

score: 0
Accepted
time: 25ms
memory: 35060kb

input:

194632

output:

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result:

ok 1 number(s): "838353104"

Test #108:

score: 0
Accepted
time: 20ms
memory: 33120kb

input:

177132

output:

420003183

result:

ok 1 number(s): "420003183"

Test #109:

score: 0
Accepted
time: 21ms
memory: 33792kb

input:

189159

output:

192759818

result:

ok 1 number(s): "192759818"

Test #110:

score: 0
Accepted
time: 23ms
memory: 34024kb

input:

192552

output:

377372327

result:

ok 1 number(s): "377372327"

Test #111:

score: 0
Accepted
time: 16ms
memory: 33548kb

input:

181566

output:

991185836

result:

ok 1 number(s): "991185836"

Test #112:

score: 0
Accepted
time: 29ms
memory: 34596kb

input:

199679

output:

477499113

result:

ok 1 number(s): "477499113"

Test #113:

score: 0
Accepted
time: 18ms
memory: 34072kb

input:

199352

output:

823328344

result:

ok 1 number(s): "823328344"

Test #114:

score: 0
Accepted
time: 25ms
memory: 34456kb

input:

199408

output:

924981866

result:

ok 1 number(s): "924981866"

Test #115:

score: 0
Accepted
time: 12ms
memory: 34176kb

input:

198741

output:

554240349

result:

ok 1 number(s): "554240349"

Test #116:

score: 0
Accepted
time: 25ms
memory: 34644kb

input:

199995

output:

401387038

result:

ok 1 number(s): "401387038"