QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#735541 | #9573. Social Media | ucup-team1412# | WA | 16ms | 3636kb | C++14 | 1.7kb | 2024-11-11 20:35:03 | 2024-11-11 20:35:03 |
Judging History
answer
#include <iostream>
#include <string>
#include <set>
#include <map>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long ll;
#define endl '\n'
const ll maxn=2e5+10;
bool fri[maxn];
ll cnt[maxn];
bool cmp(ll a,ll b){
return a>b;
}
struct edge{
ll u,v;
bool operator<(const edge &b)const{
return u<b.u;
}
};
signed main(){
ios::sync_with_stdio(false);
cin.tie(0);
ll t;
cin>>t;
while(t--){
ll n,m,k;
cin>>n>>m>>k;
vector<pair<ll,ll>> vp;
map<edge,ll> mp;
for(ll i=1;i<=k;i++){
cnt[i]=0;
fri[i]=false;
}
for(ll i=1;i<=n;i++){
ll temp;
cin>>temp;
fri[temp]=true;
}
ll ans=0;
for(ll i=1;i<=m;i++){
ll x,y;
cin>>x>>y;
if(fri[x]&&fri[y]){
ans++;
}
else if((!fri[x])&&fri[y]){
cnt[x]++;
}
else if(fri[x]&&(!fri[y])){
cnt[y]++;
}
else{
if(x>y) swap(x,y);
vp.push_back({x,y});
}
}
ll mx=0;
for(auto it:vp){
ll x=it.first,y=it.second;
if(mp.find({x,y})!=mp.end()){
mp[{x,y}]++;
}
else{
mp[{x,y}]=cnt[x]+cnt[y];
}
}
sort(cnt+1,cnt+1+k,cmp);
for(auto it:mp){
mx=max(mx,it.second);
}
ans+=max(mx,cnt[1]+cnt[2]);
cout<<ans<<endl;
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3552kb
input:
5 4 12 7 5 7 3 6 3 6 2 2 1 4 2 4 1 3 7 6 4 1 5 4 1 1 1 1 2 1 3 7 2 7 6 2 4 1 2 3 2 2 5 5 4 2 6 4 6 2 6 1 1 2 1 1 2 2 1 2 1 2 1 2 2 1 100 24 11 11 24
output:
9 5 1 1 1
result:
ok 5 number(s): "9 5 1 1 1"
Test #2:
score: -100
Wrong Answer
time: 16ms
memory: 3636kb
input:
10000 19 12 20 8 12 1 5 11 7 17 13 19 6 3 9 10 15 14 20 4 18 16 4 11 7 1 8 4 16 19 1 13 15 2 16 2 8 7 3 15 11 13 5 20 18 14 17 14 20 2 9 1 12 8 11 10 17 18 16 3 15 5 14 20 13 7 15 10 3 2 5 16 7 8 6 1 6 4 18 16 1 8 4 1 20 6 6 9 4 15 7 5 14 9 1 3 18 9 15 18 17 15 11 14 7 19 7 3 1 2 5 6 4 7 5 1 4 5 3 1...
output:
12 13 1 19 5 4 1 11 19 4 3 10 5 0 4 19 15 3 18 4 17 5 1 2 5 17 3 2 6 15 6 4 5 4 4 6 3 7 3 1 17 15 1 4 6 12 12 7 6 8 8 6 8 11 16 0 3 9 8 14 2 6 19 19 16 7 20 14 8 12 6 9 6 8 2 17 9 5 5 3 5 8 20 8 12 11 9 5 3 5 3 0 8 5 8 11 7 14 10 9 8 11 7 9 5 2 6 14 10 5 3 5 4 10 1 6 9 16 5 2 19 1 3 8 7 10 3 2 1 15 ...
result:
wrong answer 2nd numbers differ - expected: '14', found: '13'