| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1370123 | sporknives | Bikeparking (EGOI24_bikeparking) | C++20 | 20 ms | 5128 KiB |
#include <bits/stdc++.h>
#define int long long
using namespace std;
typedef pair<int,int> pii;
signed main() {
ios::sync_with_stdio(0);
cin.tie(nullptr);
int n; cin>>n;
int a[n],b[n];
for(int i=0;i<n;i++)cin>>b[i];
for(int i=0;i<n;i++)cin>>a[i];
int ans=0;
int ptr=0;
for(int i=0;i<n;i++) {
while(i>ptr && a[i]>0) {
int temp=min(a[i],b[ptr]);
a[i]-=temp;
b[ptr]-=temp;
ans+=temp;
if(b[ptr]==0)ptr++;
}
}
for(int i=0;i<n;i++) {
int temp=min(a[i],b[i]);
a[i]-=temp;
b[i]-=temp;
}
for(int i=0;i<n;i++) {
ans-=a[i];
}
cout<<ans;
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