Submission #3001777
Source Code Expand
#include <bits/stdc++.h> using namespace std; int main(){ int n, m; cin >> n >> m; vector<long long> x(n); vector<long long> y(m); int md = 1e9+7; for (int i=0; i<n; i++) cin >> x[i]; for (int i=0; i<m; i++) cin >> y[i]; long long xsum=0, ysum=0; for (int k=0; k<n; k++){ xsum += k*x[k] - (n-k-1)*x[k]; xsum %= md; } for (int k=0; k<m; k++){ ysum += k*y[k] - (m-k-1)*y[k]; ysum %= md; } cout << xsum*ysum%md << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - ### |
User | integralyamada |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 488 Byte |
Status | AC |
Exec Time | 88 ms |
Memory | 1792 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_000.txt, 0_001.txt |
All | 0_000.txt, 0_001.txt, max.txt, min.txt, mod.txt, n2.txt, rndA.txt, rndB.txt, rndC.txt, rndD.txt, rndE.txt, rndF.txt, rndG.txt, rndH.txt, rndI.txt, rndJ.txt, var.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_000.txt | AC | 1 ms | 256 KB |
0_001.txt | AC | 1 ms | 256 KB |
max.txt | AC | 88 ms | 1792 KB |
min.txt | AC | 1 ms | 256 KB |
mod.txt | AC | 42 ms | 1024 KB |
n2.txt | AC | 45 ms | 1024 KB |
rndA.txt | AC | 83 ms | 1792 KB |
rndB.txt | AC | 83 ms | 1792 KB |
rndC.txt | AC | 88 ms | 1792 KB |
rndD.txt | AC | 83 ms | 1792 KB |
rndE.txt | AC | 83 ms | 1792 KB |
rndF.txt | AC | 83 ms | 1792 KB |
rndG.txt | AC | 83 ms | 1792 KB |
rndH.txt | AC | 83 ms | 1792 KB |
rndI.txt | AC | 83 ms | 1792 KB |
rndJ.txt | AC | 83 ms | 1792 KB |
var.txt | AC | 82 ms | 1792 KB |