#include <bits/stdc++.h>
using namespace std;
long long h[100005], w[100005], mod=1e9+7;
vector<pair<long long, long long> > vec;
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
long long n, cur=0, ans=0;
cin >> n;
for (long long i=1; i<=n; i++)
cin >> h[i];
for (long long i=1; i<=n; i++)
cin >> w[i];
vec.push_back({0, 0});
for (long long i=1; i<=n+1; i++)
{
while (vec[vec.size()-2].first>=h[i])
{
long long x=(cur-vec[vec.size()-1].second)*(cur-vec[vec.size()-1].second+1)/2%mod;
long long y=(vec[vec.size()-1].first+vec[vec.size()-2].first+1)*(vec[vec.size()-1].first-vec[vec.size()-2].first)/2%mod;
ans+=x*y%mod;
vec.pop_back();
}
if (vec[vec.size()-1].first>h[i])
{
long long x=(cur-vec[vec.size()-1].second)*(cur-vec[vec.size()-1].second+1)/2%mod;
long long y=(vec[vec.size()-1].first+h[i]+1)*(vec[vec.size()-1].first-h[i])/2%mod;
ans+=x*y%mod;
vec[vec.size()-1].first=h[i];
}
else
vec.push_back({h[i], cur});
cur+=w[i];
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
2 ms |
604 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
472 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
400 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
2 ms |
604 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |