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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 |
---|---|---|---|---|---|---|---|---|---|
#346562 | #8339. Rooted Tree | ucup-team1447# | AC ✓ | 1115ms | 1568kb | C++14 | 7.4kb | 2024-03-08 17:51:41 | 2024-03-08 17:51:41 |
Judging History
answer
// dottle bot
#ifndef ONLINE_JUDGE
#define DEBUG
#endif
#include <stdio.h>
#include <string.h>
#include <algorithm>
#include <queue>
#include <vector>
#include <bitset>
#include <map>
#include <assert.h>
#include <math.h>
#include <set>
#include <random>
std::mt19937_64 rnd(586666);
#define nln puts("")
#define od(x) printf("%d",x)
#define odb(x) printf("%d ",x)
#define odl(x) printf("%d\n",x)
#define odp(x,y) printf("%d %d\n",x,y)
#define ol(x) puts("")
#define old(x) printf("%lld",x)
#define oldb(x) printf("%lld ",x)
#define oldl(x) printf("%lld\n",x)
#define oldp(x,y) printf("%lld %lld\n",x,y)
#define rg(x) for(int i=1;i<=(x);i++){
#define rg_(i,x) for(int i=1;i<=(x);i++){
#define fe(u) for(int i=h[u];i;i=e[i].nxt){int v=e[i].v;
#define gr }
#define rrg(x) for(int i=0;i<(x);i++){
#define rdln(a) a[i]=read();
#define rdln0(a,x) rrg(x) rdln(a) gr
#define rdln1(a,x) rg(x) rdln(a) gr
#define int long long
const int mod=1e9+9;
#ifdef int
#define inf 0x3f3f3f3f3f3f3f3fll
#else
#define inf 0x3f3f3f3f
#endif
inline int min(int a,int b){return a>b?b:a;}
inline int max(int a,int b){return a<b?b:a;}
#define cmlSEGMIN
#define cmlSEGMAX
#define cmlSEGSUM
struct SegTreeAl{
#ifdef cmlSEGMIN
int minn[1000005<<2];
#endif
#ifdef cmlSEGMAX
int maxn[1000005<<2];
#endif
#ifdef cmlSEGSUM
int sum[1000005<<2];
#endif
int tag[1000005<<2];
#ifdef cmlSEGSUM
void pushdown(int o,int l,int r)
#else
void pushdown(int o)
#endif
{
int&t=tag[o];
#ifdef cmlSEGMIN
minn[o<<1]+=t;
minn[o<<1|1]+=t;
#endif
#ifdef cmlSEGMAX
maxn[o<<1]+=t;
maxn[o<<1|1]+=t;
#endif
#ifdef cmlSEGSUM
int m=l+r>>1;
sum[o<<1]+=t*(m-l+1);
sum[o<<1|1]+=t*(r-m);
#endif
tag[o<<1]+=t;
tag[o<<1|1]+=t;
t=0;
}
void add(int o,int l,int r,int L,int R,int v)
{
if(L<=l&&r<=R)
{
#ifdef cmlSEGMAX
maxn[o]+=v;
#endif
#ifdef cmlSEGMIN
minn[o]+=v;
#endif
#ifdef cmlSEGSUM
sum[o]+=v*(r-l+1);
#endif
tag[o]+=v;
return;
}
int m=l+r>>1;
#ifdef cmlSEGSUM
pushdown(o,l,r);
#else
pushdown(o);
#endif
if(L<=m)add(o<<1,l,m,L,R,v);
if(m<R)add(o<<1|1,m+1,r,L,R,v);
#ifdef cmlSEGMAX
maxn[o]=max(maxn[o<<1],maxn[o<<1|1]);
#endif
#ifdef cmlSEGMIN
minn[o]=min(minn[o<<1],minn[o<<1|1]);
#endif
#ifdef cmlSEGSUM
sum[o]=sum[o<<1]+sum[o<<1|1];
#endif
}
#ifdef cmlSEGMIN
int qmin(int o,int l,int r,int L,int R)
{
if(L<=l&&r<=R)
{
return minn[o];
}
int m=l+r>>1,res=inf;
#ifdef cmlSEGSUM
pushdown(o,l,r);
#else
pushdown(o);
#endif
if(L<=m)res=min(res,qmin(o<<1,l,m,L,R));
if(m<R)res=min(res,qmin(o<<1|1,m+1,r,L,R));
return res;
}
#endif
#ifdef cmlSEGMAX
int qmax(int o,int l,int r,int L,int R)
{
if(L<=l&&r<=R)
{
return maxn[o];
}
int m=l+r>>1,res=-inf;
#ifdef cmlSEGSUM
pushdown(o,l,r);
#else
pushdown(o);
#endif
if(L<=m)res=max(res,qmax(o<<1,l,m,L,R));
if(m<R)res=max(res,qmax(o<<1|1,m+1,r,L,R));
return res;
}
#endif
#ifdef cmlSEGSUM
int qsum(int o,int l,int r,int L,int R)
{
if(L<=l&&r<=R)
{
return sum[o];
}
int m=l+r>>1,res=0;
#ifdef cmlSEGSUM
pushdown(o,l,r);
#else
pushdown(o);
#endif
if(L<=m)res+=qsum(o<<1,l,m,L,R);
if(m<R)res+=qsum(o<<1|1,m+1,r,L,R);
return res;
}
#endif
};
#define newe(n) struct Edge{int v,w,nxt;}e[2*n+5];\
typedef int arr[n+5];\
arr h;\
int cnt=1;\
inline void addedge(int u,int v,int w){e[cnt]=(Edge){v,w,h[u]};h[u]=cnt++;}\
struct node{\
int u,d;\
bool operator<(const node&b)const{return d>b.d;}\
};\
void dij(int s,int *d,int N)\
{\
memset(d,0x3f,sizeof(int)*(N+3));\
d[s]=0;std::priority_queue<node>q;q.push((node){s,0});\
while(!q.empty())\
{\
int u=q.top().u,D=q.top().d;q.pop();if(D!=d[u])continue;\
for(int i=h[u];i;i=e[i].nxt){int v=e[i].v,w=e[i].w;\
if(d[u]+w<d[v])d[v]=d[u]+w,q.push((node){v,d[v]});\
}\
}\
}
#define mgs int fa[1<<22],sz[1<<22];\
inline int f(int x){return x==fa[x]?x:fa[x]=f(fa[x]);}\
inline int uf(int x,int y)\
{\
int fx=f(x),fy=f(y);\
if(fx==fy)return 0;\
if(sz[fx]>sz[fy])fx^=fy^=fx^=fy;\
fa[fx]=fy,sz[fy]+=sz[fx];\
return 1;\
}
inline int read()
{
int num=0,f=1;char c=getchar();
while(c<48||c>57){if(c=='-')f=-1;c=getchar();}
while(c>47&&c<58)num=num*10+(c^48),c=getchar();
return num*f;
}
inline int re1d()
{
char c=getchar();
while(c<48||c>49)c=getchar();
return c&1;
}
#ifdef cmlBIT
struct BIT{int a[1<<20|1],n;
void add(int x,int p){while(x<=n)a[x]+=p,x+=x&-x;}
int operator[](int x){int res=0;while(x)res+=a[x],x-=x&-x;return res;}
int operator()(int l,int r){return (*this)[r]-(*this)[l-1];}};
#endif
int rnv[1000005];
// #define COMB
#ifdef COMB
#ifndef int
#define int long long
#endif
int fac[1000005],inv[1000005];
#endif
void initprog()
{
#ifdef COMB
fac[0]=inv[0]=inv[1]=1;
rg(1000000)fac[i]=fac[i-1]*i%mod;gr
rg(1000000)if(i>1)inv[i]=inv[mod%i]*(mod-mod/i)%mod;gr
rg(1000000)rnv[i]=inv[i];gr
rg(1000000)inv[i]=inv[i]*inv[i-1]%mod;gr
#endif
}
#ifdef COMB
int C(int n,int m)
{
if(n==m||m==0)return 1;
if(n<m)return 0;
return fac[n]*inv[m]%mod*inv[n-m]%mod;
}
#endif
inline int qp(int a,int b){int c=1;while(b){if(b&1)c=c*a%mod;a=a*a%mod;b>>=1;}return c;}
inline int mae(int &a,int b){a+=b;if(a>=mod)a-=mod;return a;}
inline int mde(int &a,int b){a+=mod-b;if(a>=mod)a-=mod;return a;}
inline int mle(int &a,int b){a=a*b%mod;return a;}
inline int mve(int &a,int b){a=a*qp(b,mod-2)%mod;return a;}
inline int mxe(int &a,int b){return a=a>b?a:b;}
inline int mne(int &a,int b){return a=a<b?a:b;}
inline int ae(int a,int b){int c=a+b;return c>=mod?c-mod:c;}
inline int de(int a,int b){return ae(a,mod-b);}
inline int me(int a,int b){return a*b%mod;}
inline int mive(int &a,int b){a=a*rnv[b]%mod;return a;}
inline int ive(int a,int b){return a*rnv[b]%mod;}
inline int ve(int a,int b){return a*qp(b,mod-2)%mod;}
#ifdef cmlST
struct STmin{
int a[21][1000005],n;
void init(int N,int *b)
{
n=N;
rg(n)a[0][i]=b[i];gr
rg(20)rg_(j,n-(1<<i)+1)a[i][j]=min(a[i-1][j],a[i-1][j+(1<<i-1)]);gr gr
}
int q(int l,int r)
{
int d=std::__lg(r-l+1);
return min(a[d][l],a[d][r-(1<<d)+1]);
}
};
struct STmax{
int a[21][1000005],n;
void init(int N,int *b)
{
n=N;
rg(n)a[0][i]=b[i];gr
rg(20)rg_(j,n-(1<<i)+1)a[i][j]=max(a[i-1][j],a[i-1][j+(1<<i-1)]);gr gr
}
int q(int l,int r)
{
int d=std::__lg(r-l+1);
return max(a[d][l],a[d][r-(1<<d)+1]);
}
};
#endif
#ifdef cmlSAM
struct SAM{
int ch[1000005][26],lnk[1000005],len[1000005],lst=1,cc=1;
int sz[1000005];
void insert(int c)
{
len[++cc]=len[lst]+1;sz[cc]=1;
int p=lst;lst=cc;
while(p&&ch[p][c]==0)ch[p][c]=cc,p=lnk[p];
if(p==0)lnk[cc]=1;
else
{
int x=ch[p][c];
if(len[p]+1==len[x])lnk[cc]=x;
else
{
int q=cc;++cc;
lnk[cc]=lnk[x];
lnk[x]=lnk[q]=cc;
len[cc]=len[p]+1;
memcpy(ch[cc],ch[x],sizeof(ch[cc]));
while(p&&ch[p][c]==x)ch[p][c]=cc,p=lnk[p];
}
}
}
newe(1000005);
long long ans;
void build()
{
rg(cc)addedge(lnk[i],i,0);gr
}
void dfs(int u)
{
fe(u)dfs(v),sz[u]+=sz[v];gr
if(sz[u]>1)ans=max(ans,1ll*sz[u]*len[u]);
}
}t;
#endif
signed main()
{
initprog();
int m=read(),k=read(),E=0,tot=1,res=0;
rg(k)
int x=ae(1,ve(E,tot));
mae(E,me(m-1,x));
mae(E,1);
mae(res,me(m,x));
mae(tot,m-1);
// odl(x);
gr
odl(res);
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 1400kb
input:
6 2
output:
18
result:
ok 1 number(s): "18"
Test #2:
score: 0
Accepted
time: 0ms
memory: 1508kb
input:
2 6
output:
600000038
result:
ok 1 number(s): "600000038"
Test #3:
score: 0
Accepted
time: 65ms
memory: 1492kb
input:
83 613210
output:
424200026
result:
ok 1 number(s): "424200026"
Test #4:
score: 0
Accepted
time: 749ms
memory: 1568kb
input:
48 6713156
output:
198541581
result:
ok 1 number(s): "198541581"
Test #5:
score: 0
Accepted
time: 0ms
memory: 1488kb
input:
1 111
output:
6216
result:
ok 1 number(s): "6216"
Test #6:
score: 0
Accepted
time: 814ms
memory: 1492kb
input:
28 7304152
output:
457266679
result:
ok 1 number(s): "457266679"
Test #7:
score: 0
Accepted
time: 458ms
memory: 1492kb
input:
38 4101162
output:
232117382
result:
ok 1 number(s): "232117382"
Test #8:
score: 0
Accepted
time: 1105ms
memory: 1476kb
input:
51 9921154
output:
340670552
result:
ok 1 number(s): "340670552"
Test #9:
score: 0
Accepted
time: 197ms
memory: 1396kb
input:
79 1801157
output:
620550406
result:
ok 1 number(s): "620550406"
Test #10:
score: 0
Accepted
time: 607ms
memory: 1488kb
input:
22 5417157
output:
457449071
result:
ok 1 number(s): "457449071"
Test #11:
score: 0
Accepted
time: 354ms
memory: 1456kb
input:
25 3210162
output:
36368303
result:
ok 1 number(s): "36368303"
Test #12:
score: 0
Accepted
time: 326ms
memory: 1444kb
input:
67 2919160
output:
935195555
result:
ok 1 number(s): "935195555"
Test #13:
score: 0
Accepted
time: 960ms
memory: 1488kb
input:
77 8613163
output:
482832472
result:
ok 1 number(s): "482832472"
Test #14:
score: 0
Accepted
time: 1115ms
memory: 1484kb
input:
90 10000000
output:
275581651
result:
ok 1 number(s): "275581651"
Test #15:
score: 0
Accepted
time: 1114ms
memory: 1480kb
input:
99 9999999
output:
126087169
result:
ok 1 number(s): "126087169"
Test #16:
score: 0
Accepted
time: 1110ms
memory: 1500kb
input:
100 10000000
output:
451590067
result:
ok 1 number(s): "451590067"
Extra Test:
score: 0
Extra Test Passed