| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1082379 | modwwe | Robots (IOI13_robots) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
//#define int long long
//#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".ans","w",stdout)
#define pb push_back
#define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms";
using namespace std;
#define getchar_unlocked getchar
inline int scan()
{
char c = getchar_unlocked();
int x = 0;
while(c<'0'||c>'9')
{
c=getchar_unlocked();
}
while(c>='0'&&c<='9')
{
x=(x<<1)+(x<<3)+c-'0';
c=getchar_unlocked();
}
return x;
}
void phongbeo();
const int inf=1e9;
const int mod2=1e9+9;
const int mod1=998244353;
struct icd
{
long double a;
int b;
};
struct ib
{
int a;
int b;
};
struct ic
{
int a,b,c;
};
struct id
{
int a,b,c,d;
};
struct ie
{
int a,b,c,d,e;
};
int n,m,s1,s4,s3,sf,k,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,s33,dem3,dem4,l,r,mid,l2,r2;
int i,s10,s12;
int kk;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
//fin(task),fou(task);
#endif
NHP
/// cin>>s1;
//modwwe
phongbeo();
//checktime
}
vector<int> v,v2;
set<int> s;
set<int> s2;
bool c[1000001];
ib a[1000001];
unordered_map<int,int> cnt;
unordered_map<int,int> cnt2;
bool cmp(ib a,ib b)
{
return a.b>b.b;
}
bool check(int x)
{
for(auto f:v)
cnt[f]=0;
for(auto f:v2)
cnt2[f]=0;
for(auto f:v)
s.insert(f),cnt[f]+=x;
for(auto f:v2)
s2.insert(f),cnt2[f]+=x;
for(int i=1; i<=k; i++)
c[i]=0;
for(int i=1; i<=k; i++)
{
set<int>::iterator sx = s.lower_bound(a[i].a);
if(sx==s.end()) continue;
cnt[*sx]--;
c[i]=1;
if(cnt[*sx]==0) s.erase(sx);
}
for(int i=1; i<=k; i++)
{
if(c[i]) continue;
set<int>::iterator sx = s2.lower_bound(a[i].b);
if(sx==s2.end()) {
return 0;}
cnt2[*sx]--;
if(cnt2[*sx]==0) s2.erase(sx);
}
return 1;
}
void phongbeo()
{
cin>>n>>m>>k;
for(int i=1; i<=n; i++)
cin>>l,l--,v.pb(l);
for(int i=1; i<=m; i++)
cin>>l,l--,v2.pb(l);
for(int i=1; i<=k; i++)
cin>>a[i].a>>a[i].b;
sort(a+1,a+1+k,cmp);
l=max(1,k/(n+m));
r=k;
while(l<=r)
{
int mid=l+r>>1;
if(check(mid))r=mid-1;
else l=mid+1;
}
if(r==k) cout<<-1;
else
cout<<r+1;
}