結果
問題 | No.2295 Union Path Query (Medium) |
ユーザー | cyk203 |
提出日時 | 2023-05-05 23:14:09 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 211 ms / 4,000 ms |
コード長 | 3,449 bytes |
コンパイル時間 | 1,779 ms |
コンパイル使用メモリ | 168,516 KB |
実行使用メモリ | 13,568 KB |
最終ジャッジ日時 | 2024-11-23 11:50:06 |
合計ジャッジ時間 | 12,628 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 53 |
ソースコード
/* * Author: $%U%$ * Time: $%Y%$-$%M%$-$%D%$ $%h%$:$%m%$:$%s%$ */ #include<bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i,a,b) for(ll i=(a);i<=(b);i++) #define per(i,a,b) for(ll i=(a);i>=(b);i--) #define re(i,a,b) for(ll i=(a);i<(b);i++) #define pe(i,a,b) for(ll i=(a);i>(b);i--) #define getchar()(p1==p2&&(p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++) char buf[1<<21],*p1=buf,*p2=buf; template <typename T> inline void read(T& r) { r=0;bool w=0; char ch=getchar(); while(ch<'0'||ch>'9') w=ch=='-'?1:0,ch=getchar(); while(ch>='0'&&ch<='9') r=r*10+(ch^48), ch=getchar(); r=w?-r:r; } template <typename T> inline void readupp(T& r){ r=0; char ch=getchar(); while(ch>'Z'||ch<'A')ch=getchar(); r=ch; } template <typename T> inline void readlow(T& r){ r=0; char ch=getchar(); while(ch>'z'||ch<'a')ch=getchar(); r=ch; } template <typename T> inline void readdig(T& r){ r=0; char ch=getchar(); while(ch>'9'||ch<'0')ch=getchar(); r=ch-'0'; } template <typename T> inline void readvisi(T& r){ r=0; char ch=getchar(); while(ch>126||ch<33)ch=getchar(); r=ch; } template <typename T> inline ll readlowstr(T& r){ ll n=0; char ch=getchar(); while(ch>'z'||ch<'a')ch=getchar(); while(ch<='z'&&ch>='a')r[++n]=ch-'a',ch=getchar(); return n; } template <typename T> inline ll readuppstr(T& r){ ll n=0; char ch=getchar(); while(ch>'Z'||ch<'A')ch=getchar(); while(ch<='Z'&&ch>='A')r[++n]=ch-'A',ch=getchar(); return n; } template <typename T> inline ll readdigstr(T& r){ ll n=0; char ch=getchar(); while(ch>'9'||ch<'0')ch=getchar(); while(ch<='9'&&ch>='0')r[++n]=ch-'0',ch=getchar(); return n; } template <typename T> inline ll readvisistr(T& r){ ll n=0; char ch=getchar(); while(ch>126||ch<33)ch=getchar(); while(ch<=126&&ch>=33)r[++n]=ch,ch=getchar(); return n; } const ll MOD=998244353; ll gcd(ll A,ll B){return B?gcd(B,A%B):A;} template<typename T> void chkmax(T&A,T B){if(A<B)A=B;} template<typename T> void chkmin(T&A,T B){if(A>B)A=B;} template<typename T> T Madd(T A,T B){return A+B>=MOD?A+B-MOD:A+B;} template<typename T> T Msub(T A,T B){return A-B<0?A-B+MOD:A-B;} template<typename T> void MODed(T &A){A%=MOD;A+=(A<0?MOD:0);} ll pw(ll A,ll B){ ll res=1; while(B){ if(B&1)res=res*A%MOD; A=A*A%MOD; B>>=1; } return res; } void _FILE(string s){ freopen((s+".in").c_str(),"r",stdin); freopen((s+".out").c_str(),"w",stdout); } const ll N=200003,M=3003,INF=2000000000000000007ll; ll n,X,q,id[N],dis[N],rk[N],sz[N],Sz[N]; ll find(ll x){return x==id[x]?x:find(id[x]);} int main(){ read(n),read(X),read(q); re(i,0,n)id[i]=i,dis[i]=0,rk[i]=0,sz[i]=1; rep(i,1,q){ ll in1,in2,in3; read(in1); if(in1==1){ read(in2),read(in3); ll P=find(X),Q=find(in2); if(P==Q)continue; if(rk[P]>rk[Q])swap(P,Q); id[P]=Q; dis[P]=in3; rk[Q]=max(rk[Q],rk[P]+1); Sz[Q]=(Sz[P]+Sz[Q]+sz[P]*sz[Q]%MOD*in3%MOD)%MOD; sz[Q]+=sz[P]; } if(in1==2){ read(in2),read(in3); if(find(in2)!=find(in3)){ puts("-1"); continue; } ll lb=0,rb=1000000000,mid=114514; while(lb<rb){ mid=(lb+rb)/2; ll tmp1=in2,tmp2=in3; while(id[tmp1]!=tmp1&&dis[tmp1]<=mid)tmp1=id[tmp1]; while(id[tmp2]!=tmp2&&dis[tmp2]<=mid)tmp2=id[tmp2]; if(tmp1==tmp2)rb=mid; else lb=mid+1; } X=(X+lb)%n; printf("%lld\n",lb); } if(in1==3){ read(in2); printf("%lld\n",Sz[find(in2)]); } if(in1==4){ read(in2); X=(X+in2)%n; } } return 0; }