Tag
Solution
C++
// https://orac2.info/problem/225/
#include<bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int n,m; cin>>n>>m;
int cnt[2]={1,1};
int t[n]; t[0]=0,t[1]=1;
for(int i=0;i<m;++i){
int a,b; cin>>a>>b;
++cnt[t[--b]=t[--a]];
}
cout<<cnt[0]<<" "<<cnt[1]<<'\n';
return 0;
}
Editorial
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