#include <bits/stdc++.h>
#define int long long
using namespace std;
const int Nmax=300010;
int N, ans, A[Nmax], B[Nmax];
signed main() {
ios_base::sync_with_stdio(0); cin.tie(0);
cin>>N;
for(int i=1; i<=N; i++) cin>>A[i];
for(int i=1; i<=N; i++) cin>>B[i];
{
int asum=0, bsum=0;
for(int i=1; i<=N; i++) asum+=A[i], bsum+=B[i];
for(int i=N; i>=1; i--) {
if(A[i]<=asum-bsum) asum-=A[i], A[i]=0;
else A[i]-=(asum-bsum), asum=bsum;
}
}
for(int i=N, j=N, k=N; i>=1; i--) {
for(j=min(j, i-1); j>=1; j--) {
if(A[j]>=B[i]) {
ans+=B[i], A[j]-=B[i], B[i]=0;
break;
}
else ans+=A[j], B[i]-=A[j], A[j]=0;
}
if(!B[i]) continue;
if(A[i]>=B[i]) A[i]-=B[i], B[i]=0;
else B[i]-=A[i], A[i]=0;
for(; k>=1; k--) {
if(A[k]>=B[i]) {
ans-=B[i], A[k]-=B[i], B[i]=0;
break;
}
else ans-=A[k], B[i]-=A[k], A[k]=0;
}
}
cout<<ans;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
2644 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2484 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
0 ms |
2396 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
16 ms |
4956 KB |
Output is correct |
| 6 |
Correct |
16 ms |
5080 KB |
Output is correct |
| 7 |
Correct |
23 ms |
5156 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
15 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
17 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 5 |
Incorrect |
0 ms |
2396 KB |
Output isn't correct |
| 6 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
2644 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2484 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 24 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 27 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 28 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 29 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 30 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 31 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 32 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 33 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 34 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 35 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 36 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 37 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 38 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 39 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 40 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 41 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 42 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 43 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 44 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 45 |
Incorrect |
0 ms |
2396 KB |
Output isn't correct |
| 46 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
2644 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2484 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 24 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
16 ms |
4956 KB |
Output is correct |
| 27 |
Correct |
16 ms |
5080 KB |
Output is correct |
| 28 |
Correct |
23 ms |
5156 KB |
Output is correct |
| 29 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 30 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 31 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 32 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 33 |
Correct |
15 ms |
4956 KB |
Output is correct |
| 34 |
Correct |
17 ms |
4952 KB |
Output is correct |
| 35 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 36 |
Incorrect |
0 ms |
2396 KB |
Output isn't correct |
| 37 |
Halted |
0 ms |
0 KB |
- |
