제출 #1151525

#제출 시각아이디문제언어결과실행 시간메모리
1151525Jawad_Akbar_JJBikeparking (EGOI24_bikeparking)C++20
25 / 100
24 ms3912 KiB
#include <iostream> using namespace std; int a[300005], b[300005], pre[300005]; int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n, Ans = 0; cin>>n; for (int i=1;i<=n;i++) cin>>a[i]; for (int i=1;i<=n;i++) cin>>b[i], pre[i] = pre[i-1] + b[i]; for (int i=1, ptr = 1;i<=n;){ if (ptr < i){ int k = min(a[ptr], b[i]); a[ptr] -= k, b[i] -= k; ptr += !a[ptr], i += !b[i]; Ans += k; } else if (ptr == i){ int k = a[ptr] - min(pre[n] - pre[i], a[ptr]); a[ptr] -= min(b[i], k); Ans -= max(0, b[i] - k), i++; } else Ans -= b[i], i++; } cout<<Ans<<'\n'; }
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