oj.uz

Submission #932792

# Submission time Handle Problem Language Result Execution time Memory
932792 2024-02-24T08:52:20 Z 8pete8 Martian DNA (BOI18_dna) C++17
100 / 100
 66 ms 25024 KB 
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<cassert>
#include<limits.h>
#include<cmath>
#include<set>
#include<numeric> //gcd(a,b)
#include<algorithm>
#include<bitset> 
#include<stack>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define pppiiii pair<pii,pii>
#define ppii pair<int,pii>
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define pb push_back
#define mp make_pair
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-loops")
#define int long long
const int mod=1e9+7,mxn=2e5,lg=30,inf=1e18,minf=-1e18,Mxn=2e6,root=700;
void setIO(string name){
	ios_base::sync_with_stdio(0); cin.tie(0);		
	freopen((name+".in").c_str(),"r",stdin);		
	freopen((name+".out").c_str(),"w",stdout);	
}	 
vector<int>pos[mxn+10];
int need[mxn+10],curl[mxn+10];
bool on[mxn+10];
int32_t main(){
	fastio
	int n,k,r;cin>>n>>k>>r;
	vector<int>v(n),l(n,minf);
	for(int i=0;i<n;i++)cin>>v[i],pos[v[i]].pb(i);
	priority_queue<pii,vector<pii>,greater<pii>>pq;//min left col
	while(r--){
		int a,b;cin>>a>>b;
		curl[a]=minf;
		on[a]=1;
		pq.push({minf,a});
		for(int j=b-1;j<pos[a].size();j++)l[pos[a][j]]=pos[a][j-b+1];
	}
	int ans=inf;
	for(int i=0;i<n;i++){
		if(!on[v[i]])continue;
		pq.push({l[i],v[i]});
		curl[v[i]]=l[i];
		while(!pq.empty()&&pq.top().f!=curl[pq.top().s])pq.pop();
		if(!pq.empty()&&pq.top().f!=minf)ans=min(ans,i-pq.top().f+1);
	}
	if(ans==inf)cout<<"impossible";
	else cout<<ans;
}

Compilation message

dna.cpp: In function 'int32_t main()':
dna.cpp:54:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |   for(int j=b-1;j<pos[a].size();j++)l[pos[a][j]]=pos[a][j-b+1];
      |                 ~^~~~~~~~~~~~~~
dna.cpp: In function 'void setIO(std::string)':
dna.cpp:37:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |  freopen((name+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dna.cpp:38:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |  freopen((name+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8280 KB Output is correct
2 Correct 2 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8284 KB Output is correct
5 Correct 2 ms 8284 KB Output is correct
6 Correct 3 ms 8284 KB Output is correct
7 Correct 2 ms 8280 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 2 ms 8284 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8284 KB Output is correct
2 Correct 2 ms 8540 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 3 ms 8284 KB Output is correct
5 Correct 2 ms 8284 KB Output is correct
6 Correct 2 ms 8284 KB Output is correct
7 Correct 2 ms 8304 KB Output is correct
8 Correct 2 ms 8280 KB Output is correct
9 Correct 2 ms 8284 KB Output is correct
10 Correct 2 ms 8284 KB Output is correct
11 Correct 2 ms 8284 KB Output is correct
12 Correct 2 ms 8284 KB Output is correct
13 Correct 2 ms 8280 KB Output is correct
14 Correct 2 ms 8284 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 15552 KB Output is correct
2 Correct 17 ms 15044 KB Output is correct
3 Correct 16 ms 13772 KB Output is correct
4 Correct 21 ms 14876 KB Output is correct
5 Correct 31 ms 15564 KB Output is correct
6 Correct 31 ms 19892 KB Output is correct
7 Correct 13 ms 14400 KB Output is correct
8 Correct 28 ms 18816 KB Output is correct
9 Correct 22 ms 14676 KB Output is correct
10 Correct 30 ms 15768 KB Output is correct
11 Correct 2 ms 8284 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 2 ms 8472 KB Output is correct
14 Correct 2 ms 8284 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 2 ms 8308 KB Output is correct
17 Correct 2 ms 8284 KB Output is correct
18 Correct 2 ms 8284 KB Output is correct
19 Correct 2 ms 8284 KB Output is correct
20 Correct 2 ms 8284 KB Output is correct
21 Correct 2 ms 8284 KB Output is correct
22 Correct 2 ms 8284 KB Output is correct
23 Correct 2 ms 8088 KB Output is correct
24 Correct 2 ms 8280 KB Output is correct
25 Correct 2 ms 8476 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 20680 KB Output is correct
2 Correct 65 ms 18088 KB Output is correct
3 Correct 34 ms 16740 KB Output is correct
4 Correct 16 ms 13548 KB Output is correct
5 Correct 45 ms 22352 KB Output is correct
6 Correct 66 ms 25024 KB Output is correct
7 Correct 38 ms 19920 KB Output is correct
8 Correct 46 ms 20272 KB Output is correct
9 Correct 23 ms 15552 KB Output is correct
10 Correct 17 ms 14832 KB Output is correct
11 Correct 20 ms 13780 KB Output is correct
12 Correct 20 ms 14884 KB Output is correct
13 Correct 24 ms 15604 KB Output is correct
14 Correct 31 ms 19380 KB Output is correct
15 Correct 18 ms 14544 KB Output is correct
16 Correct 29 ms 18764 KB Output is correct
17 Correct 20 ms 14680 KB Output is correct
18 Correct 31 ms 15768 KB Output is correct
19 Correct 2 ms 8284 KB Output is correct
20 Correct 2 ms 8540 KB Output is correct
21 Correct 2 ms 8284 KB Output is correct
22 Correct 3 ms 8284 KB Output is correct
23 Correct 2 ms 8284 KB Output is correct
24 Correct 2 ms 8284 KB Output is correct
25 Correct 2 ms 8284 KB Output is correct
26 Correct 2 ms 8284 KB Output is correct
27 Correct 2 ms 8284 KB Output is correct
28 Correct 2 ms 8284 KB Output is correct
29 Correct 2 ms 8284 KB Output is correct
30 Correct 2 ms 8280 KB Output is correct
31 Correct 2 ms 8284 KB Output is correct
32 Correct 2 ms 8284 KB Output is correct
33 Correct 2 ms 8284 KB Output is correct