QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#777928 | #9623. 合成大西瓜 | tjf4# | WA | 2ms | 8928kb | C++20 | 787b | 2024-11-24 11:20:36 | 2024-11-24 11:20:36 |
Judging History
answer
#include<bits/stdc++.h>
#define IOS ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
using namespace std;
typedef double db;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll> pii;
typedef vector<pii> vii;
typedef vector<ll> vi;
typedef vector<string> vs;
typedef vector<char> vc;
const int inf=0x3f;
const int N=1e5+10;
ll n,m,w[N];
set<ll> e[N];
int main() {
cin>>n>>m;
for(int i=1;i<=n;i++) cin>>w[i];
for(int i=1;i<=m;i++) {
int x,y; cin>>x>>y;
e[x].insert(y);
e[y].insert(x);
}
if(n==1) {
cout<<w[1]<<'\n';
return 0;
}
ll ans=0;
for(int i=1;i<=n;i++) {
if(e[i].size()>=2) ans=max(ans,w[i]);
}
cout<<ans<<'\n';
return 0;
}
//7 7
//1 1 2 3 1 2 1
//1 2
//2 3
//1 3
//2 4
//2 5
//5 6
//5 7
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 8148kb
input:
7 9 1 4 1 3 3 6 7 5 4 3 6 3 4 2 3 5 2 2 6 6 7 5 1 4 6
output:
6
result:
ok single line: '6'
Test #2:
score: 0
Accepted
time: 2ms
memory: 8204kb
input:
5 7 1 5 3 1 4 3 5 1 3 5 1 1 4 5 4 2 4 3 2
output:
5
result:
ok single line: '5'
Test #3:
score: 0
Accepted
time: 2ms
memory: 8292kb
input:
7 7 2 4 2 3 3 6 7 5 1 2 6 5 3 4 6 1 6 1 2 2 7
output:
6
result:
ok single line: '6'
Test #4:
score: 0
Accepted
time: 0ms
memory: 8928kb
input:
3 2 2 2 2 2 3 1 3
output:
2
result:
ok single line: '2'
Test #5:
score: 0
Accepted
time: 0ms
memory: 8376kb
input:
5 5 3 1 2 4 5 3 2 2 4 3 5 5 1 2 5
output:
5
result:
ok single line: '5'
Test #6:
score: 0
Accepted
time: 2ms
memory: 8332kb
input:
7 9 3 2 3 5 2 6 7 7 4 5 4 5 6 1 7 1 6 2 3 7 6 6 4 4 2
output:
7
result:
ok single line: '7'
Test #7:
score: -100
Wrong Answer
time: 0ms
memory: 8264kb
input:
3 2 1 2 3 3 1 2 1
output:
1
result:
wrong answer 1st lines differ - expected: '2', found: '1'