45 lines
829 B
C++
45 lines
829 B
C++
//20% points
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#include<bits/stdc++.h>
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using namespace std;
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#define int long long
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const int MAX_N = 1e3+5;
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int t,n;
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int a[MAX_N],b[MAX_N];
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bool checkAllEleGoUp(){
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for(int i=2;i<=n;i++){
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if (a[i]<a[i-1]) {
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return false;
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}
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}
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return true;
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}
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signed main(){
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cin>>t;
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for(int i=1;i<=t;i++){
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bool isAllBZero=true;
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cin>>n;
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for(int j=1;j<=n;j++){
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cin>>a[j];
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}
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for(int j=1;j<=n;j++){
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cin>>b[j];
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if(b[j]!=0){
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isAllBZero=false;
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}
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}
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bool isAllEleGoUp=checkAllEleGoUp();
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if (isAllEleGoUp) {
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cout<<0<<endl;
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continue;
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}
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if (isAllBZero) {
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cout<<-1<<endl;
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continue;
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}
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cout<<0<<endl;
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}
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} |