#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
#define S second
#define coy cout<<"YES\n"
#define con cout<<"NO\n"
#define co1 cout<<"-1\n"
#define sc(x) scanf("%lld",&x)
#define all(x) x.begin(),x.end()
#define fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
const int SI=3e5+7;
ll INF=8e18+7;
int dx[] = {1 , -1 , 0 , 0};
int dy[] = {0 , 0 , 1 , -1};
int MOD=1e9+7;
ll n,k,r;
ll a[SI],w[SI],c[SI];
ll st;
int main()
{
fast
cin>>n>>k>>r;
for (int i=0;i<n;i++)
cin>>a[i];
for (int i=0;i<r;i++)
{
ll x,y;
cin>>x>>y;
w[x]=y;
st++;
}
ll f=0,s=0,ans=INF;
while (f<n)
{
while (s<n&&st)
{
c[a[s]]++;
if (c[a[s]]==w[a[s]])
st--;
s++;
}
//cout<<f<<" "<<s<<"\n";
if (s==n)
break;
ans=min(ans,s-f);
if (c[a[f]]==w[a[f]])
st++;
c[a[f++]]--;
}
if (ans==INF)
cout <<"impossible\n";
else cout <<ans;
// use scanf not cin
return 0;
}
/*
5 2 2
0 1 1 0 1
0 1
1 1
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
1876 KB |
Output is correct |
2 |
Correct |
12 ms |
1872 KB |
Output is correct |
3 |
Correct |
11 ms |
1876 KB |
Output is correct |
4 |
Correct |
11 ms |
1876 KB |
Output is correct |
5 |
Correct |
17 ms |
2512 KB |
Output is correct |
6 |
Incorrect |
11 ms |
1820 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
33 ms |
3040 KB |
Output is correct |
2 |
Correct |
31 ms |
2748 KB |
Output is correct |
3 |
Correct |
20 ms |
2756 KB |
Output is correct |
4 |
Correct |
11 ms |
1876 KB |
Output is correct |
5 |
Correct |
28 ms |
3448 KB |
Output is correct |
6 |
Correct |
32 ms |
4720 KB |
Output is correct |
7 |
Correct |
20 ms |
1936 KB |
Output is correct |
8 |
Correct |
18 ms |
2132 KB |
Output is correct |
9 |
Correct |
11 ms |
1908 KB |
Output is correct |
10 |
Correct |
11 ms |
1876 KB |
Output is correct |
11 |
Correct |
14 ms |
1876 KB |
Output is correct |
12 |
Correct |
13 ms |
1876 KB |
Output is correct |
13 |
Correct |
18 ms |
2516 KB |
Output is correct |
14 |
Incorrect |
14 ms |
1876 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |