//雪花飄飄北風嘯嘯
//天地一片蒼茫
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
#define ll long long
#define ii pair<ll,ll>
#define iii pair<ii,ll>
#define fi first
#define se second
#define endl '\n'
#define debug(x) cout << #x << " is " << x << endl;
#define rep(x,start,end) for(auto x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()
#define indexed_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>
//change less to less_equal for non distinct pbds, but erase will bug
mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
int n,m;
int arr[150005];
int brr[150005];
vector<int> al[150005];
bool vis[150005];
bool dfs(int i,int val){
if (vis[i]) return false;
vis[i]=true;
if (val<brr[i] || arr[i]<val) return false;
if (arr[i]==val) return true;
for (auto &it:al[i]){
if (dfs(it,val)) return true;
}
return false;
}
void solve(){
cin>>n>>m;
rep(x,1,n+1){
al[x].clear();
}
rep(x,1,n+1) cin>>arr[x];
rep(x,1,n+1) cin>>brr[x];
int a,b;
rep(x,0,m){
cin>>a>>b;
al[a].push_back(b);
al[b].push_back(a);
}
rep(x,1,n+1){
if (brr[x]>arr[x]){
cout<<0<<endl;
return;
}
}
rep(x,1,n+1){
memset(vis,false,sizeof(vis));
if (!dfs(x,brr[x])){
cout<<0<<endl;
return;
}
}
cout<<1<<endl;
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int TC;
cin>>TC;
while (TC--){
solve();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
838 ms |
4344 KB |
Output is correct |
2 |
Correct |
268 ms |
4344 KB |
Output is correct |
3 |
Correct |
27 ms |
4096 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
159 ms |
4304 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
811 ms |
4216 KB |
Output is correct |
2 |
Correct |
204 ms |
4564 KB |
Output is correct |
3 |
Correct |
21 ms |
4096 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
811 ms |
4216 KB |
Output is correct |
2 |
Correct |
204 ms |
4564 KB |
Output is correct |
3 |
Correct |
21 ms |
4096 KB |
Output is correct |
4 |
Correct |
1281 ms |
7132 KB |
Output is correct |
5 |
Execution timed out |
3071 ms |
9360 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
838 ms |
4344 KB |
Output is correct |
2 |
Correct |
268 ms |
4344 KB |
Output is correct |
3 |
Correct |
27 ms |
4096 KB |
Output is correct |
4 |
Correct |
811 ms |
4216 KB |
Output is correct |
5 |
Correct |
204 ms |
4564 KB |
Output is correct |
6 |
Correct |
21 ms |
4096 KB |
Output is correct |
7 |
Correct |
687 ms |
5500 KB |
Output is correct |
8 |
Correct |
288 ms |
4644 KB |
Output is correct |
9 |
Correct |
57 ms |
4096 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1415 ms |
4576 KB |
Output is correct |
2 |
Execution timed out |
3080 ms |
6144 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
97 ms |
4728 KB |
Output is correct |
2 |
Correct |
30 ms |
4352 KB |
Output is correct |
3 |
Correct |
38 ms |
4344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
838 ms |
4344 KB |
Output is correct |
2 |
Correct |
268 ms |
4344 KB |
Output is correct |
3 |
Correct |
27 ms |
4096 KB |
Output is correct |
4 |
Correct |
159 ms |
4304 KB |
Output is correct |
5 |
Correct |
811 ms |
4216 KB |
Output is correct |
6 |
Correct |
204 ms |
4564 KB |
Output is correct |
7 |
Correct |
21 ms |
4096 KB |
Output is correct |
8 |
Correct |
1281 ms |
7132 KB |
Output is correct |
9 |
Execution timed out |
3071 ms |
9360 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |