제출 #1153195

#제출 시각아이디문제언어결과실행 시간메모리
1153195brover29송금 (JOI19_remittance)C++20
0 / 100
63 ms468 KiB
#include <bits/stdc++.h> //qwerty47924692 using namespace std; using ll = long long; const ll N=2e5+29; const string br="617283"; #define sz(a)(ll)a.size() #define f first #define s second ll n,a[N],b[N],diff[N]; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cin>>n; for(ll i=1;i<=n;i++){ cin>>a[i]>>b[i]; diff[i]=a[i]-b[i]; } for(ll i=1;i<=(ll)1e7;i++){ for(ll i=n;i>=1;i--){ if(diff[i]>0){ diff[i%n+1]+=diff[i]/2; diff[i]%=2; } } }for(ll i=1;i<=n;i++) { if(diff[i]){ cout<<"No"; return 0; } } cout<<"Yes"; }
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