Files
contests/codeforces/rounds/797/b.cpp

66 lines
1.1 KiB
C++

#include <bits/stdc++.h>
using namespace std;
void test_case(int tc){
int n;
cin >> n;
vector<int> a(n);
vector<int> b(n);
for (size_t i = 0; i < n; i++){
cin >> a[i];
}
for (size_t i = 0; i < n; i++){
cin >> b[i];
}
bool result = true;
int exactdif = INT32_MAX;
int hightestdif = 0;
bool onlyzeroes = true;
for(size_t i = 0; i < n; ++i){
auto ax = a[i], bx = b[i];
auto d = ax - bx;
if(bx == 0){
hightestdif = max(hightestdif, d);
} else {
onlyzeroes = false;
if(exactdif == INT32_MAX){
exactdif = d;
} else if(exactdif != d){
result = false;
break;
}
}
}
if(hightestdif > exactdif){
result = false;
}
cout << (result || onlyzeroes ? "YES" : "NO") << '\n';
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int t;
cin >> t;
for(int tc = 1; tc <= t; ++tc){
test_case(tc);
}
cout << flush;
return 0;
}