#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long int ll;
typedef vector<ll> vi;
typedef pair<ll,ll> pi;
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define fip(a,b) for(ll i = a; i < b ; i++)
#define fjp(a,b) for(ll j = a; j < b ; j++)
#define fp(k,a,b) for(ll k = a; k < b ; k++)
#define fin(a,b) for(ll i = a; i >= b ; i--)
#define fjn(a,b) for(ll i = a; j >= b ; j--)
#define fn(k,a,b) for(ll k = a; k >= b ; k--)
#define fx(a) for(auto x : a)
#define ordered_set tree<pi,null_type,less<pi>,rb_tree_tag,tree_order_statistics_node_update>
#define total_one(k) __builtin_popcount(k)
#define back_zero(k) __builtin_ctzll(k)
#define front_zero(k) __builtin_clzll(k)
#define nli "\n"
ll n,m,ans,sum,res,cnt,tptp,tp,tp2,q;
const ll mx = 2e5 + 5;
const ll mod = 1e9 + 7;
bool f = false;
ll a[mx];
ll tnc[mx];
vi ind[mx];
deque<ll> dq[mx];
int main(){
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
// #ifdef code
// freopen("input1.txt","r",stdin);
// freopen("output1.txt","w",stdout);
// freopen("error1.txt","w",stderr);
// #endif
cin>>n>>m>>q;
fip(1,n+1){
cin>>a[i],tnc[i] = -1;
}
vi v;
fip(0,q){
cin>>tp>>tp2;
tnc[tp] = tp2;
v.push_back(tp);
}
ans = 1e9;
fip(1,n+1){
if(tnc[a[i]]!=-1){
dq[a[i]].push_back(i);
if(dq[a[i]].size()>tnc[a[i]])
dq[a[i]].pop_front();
}
f = 0;
fx(v){
if(tnc[x] != dq[x].size())
f = 1;
}
if(f)
continue;
tp = 1e18;
fx(v){
tp = min(tp,dq[x].front());
}
ans = min(ans,i-tp+1);
}
if(ans==1e9){
cout<<"impossible";
return 0;
}
cout<<ans<<nli;
// cerr << "Time elapsed : " << setprecision(6) << 100.00 * clock() / CLOCKS_PER_SEC << "ms\n";
}
Compilation message
dna.cpp: In function 'int main()':
dna.cpp:59:23: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
59 | if(dq[a[i]].size()>tnc[a[i]])
| ~~~~~~~~~~~~~~~^~~~~~~~~~
dna.cpp:64:15: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::deque<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
64 | if(tnc[x] != dq[x].size())
| ~~~~~~~^~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
78 ms |
139596 KB |
Output is correct |
2 |
Correct |
79 ms |
139648 KB |
Output is correct |
3 |
Correct |
80 ms |
139624 KB |
Output is correct |
4 |
Correct |
81 ms |
139540 KB |
Output is correct |
5 |
Correct |
79 ms |
139644 KB |
Output is correct |
6 |
Correct |
81 ms |
139600 KB |
Output is correct |
7 |
Correct |
77 ms |
139580 KB |
Output is correct |
8 |
Correct |
79 ms |
139596 KB |
Output is correct |
9 |
Correct |
83 ms |
139648 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
77 ms |
139652 KB |
Output is correct |
2 |
Correct |
93 ms |
139684 KB |
Output is correct |
3 |
Correct |
79 ms |
139700 KB |
Output is correct |
4 |
Correct |
81 ms |
139724 KB |
Output is correct |
5 |
Correct |
82 ms |
139676 KB |
Output is correct |
6 |
Correct |
82 ms |
139660 KB |
Output is correct |
7 |
Correct |
80 ms |
139652 KB |
Output is correct |
8 |
Correct |
80 ms |
139656 KB |
Output is correct |
9 |
Correct |
82 ms |
139544 KB |
Output is correct |
10 |
Correct |
82 ms |
139624 KB |
Output is correct |
11 |
Correct |
79 ms |
139628 KB |
Output is correct |
12 |
Correct |
82 ms |
139656 KB |
Output is correct |
13 |
Correct |
80 ms |
139748 KB |
Output is correct |
14 |
Correct |
81 ms |
139556 KB |
Output is correct |
15 |
Correct |
79 ms |
139600 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
110 ms |
143644 KB |
Output is correct |
2 |
Correct |
97 ms |
143180 KB |
Output is correct |
3 |
Correct |
103 ms |
142888 KB |
Output is correct |
4 |
Correct |
112 ms |
143332 KB |
Output is correct |
5 |
Correct |
103 ms |
142924 KB |
Output is correct |
6 |
Correct |
109 ms |
144484 KB |
Output is correct |
7 |
Correct |
110 ms |
142936 KB |
Output is correct |
8 |
Correct |
105 ms |
142844 KB |
Output is correct |
9 |
Correct |
105 ms |
142812 KB |
Output is correct |
10 |
Correct |
113 ms |
143652 KB |
Output is correct |
11 |
Correct |
85 ms |
139692 KB |
Output is correct |
12 |
Correct |
93 ms |
139668 KB |
Output is correct |
13 |
Correct |
80 ms |
139856 KB |
Output is correct |
14 |
Correct |
83 ms |
139724 KB |
Output is correct |
15 |
Correct |
79 ms |
139736 KB |
Output is correct |
16 |
Correct |
79 ms |
139680 KB |
Output is correct |
17 |
Correct |
80 ms |
139544 KB |
Output is correct |
18 |
Correct |
82 ms |
139624 KB |
Output is correct |
19 |
Correct |
81 ms |
139600 KB |
Output is correct |
20 |
Correct |
80 ms |
139596 KB |
Output is correct |
21 |
Correct |
82 ms |
139576 KB |
Output is correct |
22 |
Correct |
81 ms |
139580 KB |
Output is correct |
23 |
Correct |
78 ms |
139656 KB |
Output is correct |
24 |
Correct |
83 ms |
139644 KB |
Output is correct |
25 |
Correct |
78 ms |
139648 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2062 ms |
144044 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |