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| #include<bits/stdc++.h> #define ll long long #define ull unsigned long long #define maxn 100004 #define put() putchar('\n') #define Tp template<typename T> #define Ts template<typename T,typename... Ar> using namespace std; Tp void read(T &x){ int f=1;x=0;char c=getchar(); while (c<'0'||c>'9') {if (c=='-') f=-1;c=getchar();} while (c>='0'&&c<='9') {x=x*10+c-'0';c=getchar();} x*=f; } namespace Debug{ Tp void _debug(char* f,T t){cerr<<f<<'='<<t<<endl;} Ts void _debug(char* f,T x,Ar... y){while(*f!=',') cerr<<*f++;cerr<<'='<<x<<",";_debug(f+1,y...);} #define gdb(...) _debug((char*)#__VA_ARGS__,__VA_ARGS__) }using namespace Debug; #define fi first #define se second #define mk make_pair const int mod=1e9+7; ll power(ll x,int y=mod-2,int p=mod) { ll sum=1;x%=p; while (y) { if (y&1) sum=sum*x%p; x=x*x%p;y>>=1; } return sum; } int n,a[maxn],c[maxn]; int las[maxn],ans,sg[maxn]; const int inf=1e9; priority_queue<int,vector<int> ,greater<int> >q1[maxn<<2],q2[maxn<<2]; int f[maxn<<2]; void Update(int l,int r,int rt,int head,int tail,int k,int flag) { if (head<=l&&r<=tail) { if (flag==1) { q1[rt].push(k); } else { q2[rt].push(k); } while (!q1[rt].empty()&&!q2[rt].empty()&&q1[rt].top()==q2[rt].top()) q1[rt].pop(),q2[rt].pop(); if (l!=r) f[rt]=min(f[rt<<1],f[rt<<1|1]);else f[rt]=inf; f[rt]=min(f[rt],!q1[rt].empty()?q1[rt].top():inf); return ; } int mid=l+r>>1; if (head<=mid) Update(l,mid,rt<<1,head,tail,k,flag); if (tail>mid) Update(mid+1,r,rt<<1|1,head,tail,k,flag); if (l!=r) f[rt]=min(f[rt<<1],f[rt<<1|1]);else f[rt]=inf; f[rt]=min(f[rt],!q1[rt].empty()?q1[rt].top():inf); } int Query(int l,int r,int rt,int head,int tail) { if (head<=l&&r<=tail) return f[rt]; int mid=l+r>>1,tmp1=inf,tmp2=inf,tmp; if (head<=mid) tmp1=Query(l,mid,rt<<1,head,tail); if (tail>mid) tmp2=Query(mid+1,r,rt<<1|1,head,tail); tmp=min(min(tmp1,tmp2),!q1[rt].empty()?q1[rt].top():inf); return tmp; } signed main(void){ int i; read(n); memset(f,0x3f,sizeof(f)); for (i=1;i<=n+1;i++) Update(0,n,1,0,n,i,1),las[i]=-1; Update(0,n,1,1,n,0,1);las[0]=0; for (i=1;i<n;i++) { read(c[i]);read(a[i]); sg[i]=Query(0,n,1,i-c[i],i-c[i]); Update(0,n,1,las[sg[i]]+1,n,sg[i],0); Update(0,n,1,i+1,n,sg[i],1); las[sg[i]]=i; if (a[i]&1) ans^=sg[i]; } puts(ans?"First":"Second"); return 0; }
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