oj.uz

Submission #925378

# Submission time Handle Problem Language Result Execution time Memory
925378 2024-02-11T13:57:58 Z 8pete8 Brunhilda’s Birthday (BOI13_brunhilda) C++17
100 / 100
 204 ms 80064 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=1e7+100000,lg=30;//inf=1e18,minf=-1e18,Mxn=100000,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);	
}	
int n,q;
int ans[mxn+10],mx[mxn+10];
int32_t main(){
	//setIO("redistricting");
	fastio
	cin>>n>>q;
	vector<int>v(n);
	for(int i=0;i<n;i++)cin>>v[i];
	sort(all(v));
	v.erase(unique(all(v)),v.end());
	for(auto i:v)for(int j=i-1;j<=mxn;j+=i)mx[j]=max(mx[j],i-1);
	for(int i=mxn;i>=0;i--)mx[i]=max(mx[i],mx[i+1]-1);
	for(int i=1;i<=mxn;i++){
		ans[i]=ans[i-mx[i]];
		if(ans[i]!=-1)ans[i]++;
		if(mx[i]<=0)ans[i]=-1;
	}
	while(q--){
		int g;cin>>g;
		if(ans[g]!=-1)cout<<ans[g]<<'\n';
		else cout<<"oo"<<'\n';
	}
}

Compilation message

brunhilda.cpp: In function 'void setIO(std::string)':
brunhilda.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);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
brunhilda.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
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 79440 KB Output is correct
2 Correct 61 ms 79332 KB Output is correct
3 Correct 59 ms 79408 KB Output is correct
4 Correct 49 ms 79700 KB Output is correct
5 Correct 55 ms 79412 KB Output is correct
6 Correct 51 ms 79444 KB Output is correct
7 Correct 59 ms 79444 KB Output is correct
8 Correct 62 ms 79408 KB Output is correct
9 Correct 72 ms 79440 KB Output is correct
10 Correct 84 ms 79312 KB Output is correct
11 Correct 71 ms 79416 KB Output is correct
12 Correct 47 ms 79424 KB Output is correct
13 Correct 123 ms 79444 KB Output is correct
14 Correct 134 ms 79368 KB Output is correct
15 Correct 65 ms 79440 KB Output is correct
16 Correct 60 ms 79412 KB Output is correct
17 Correct 59 ms 79428 KB Output is correct
18 Correct 51 ms 79324 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 79452 KB Output is correct
2 Correct 67 ms 79696 KB Output is correct
3 Correct 161 ms 79684 KB Output is correct
4 Correct 72 ms 79312 KB Output is correct
5 Correct 119 ms 79628 KB Output is correct
6 Correct 60 ms 79444 KB Output is correct
7 Correct 55 ms 79352 KB Output is correct
8 Correct 71 ms 79440 KB Output is correct
9 Correct 136 ms 79688 KB Output is correct
10 Correct 180 ms 79684 KB Output is correct
11 Correct 157 ms 79440 KB Output is correct
12 Correct 88 ms 79696 KB Output is correct
13 Correct 57 ms 79552 KB Output is correct
14 Correct 73 ms 79444 KB Output is correct
15 Correct 136 ms 79440 KB Output is correct
16 Correct 64 ms 79772 KB Output is correct
17 Correct 142 ms 79476 KB Output is correct
18 Correct 150 ms 79956 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 139 ms 79700 KB Output is correct
2 Correct 175 ms 79620 KB Output is correct
3 Correct 170 ms 79864 KB Output is correct
4 Correct 111 ms 79544 KB Output is correct
5 Correct 81 ms 79956 KB Output is correct
6 Correct 146 ms 79692 KB Output is correct
7 Correct 130 ms 79804 KB Output is correct
8 Correct 133 ms 79940 KB Output is correct
9 Correct 141 ms 79624 KB Output is correct
10 Correct 116 ms 79440 KB Output is correct
11 Correct 101 ms 79416 KB Output is correct
12 Correct 128 ms 79440 KB Output is correct
13 Correct 170 ms 79788 KB Output is correct
14 Correct 98 ms 79924 KB Output is correct
15 Correct 137 ms 79440 KB Output is correct
16 Correct 152 ms 79424 KB Output is correct
17 Correct 139 ms 79592 KB Output is correct
18 Correct 173 ms 79696 KB Output is correct
19 Correct 58 ms 79324 KB Output is correct
20 Correct 169 ms 79864 KB Output is correct
21 Correct 107 ms 79956 KB Output is correct
22 Correct 204 ms 80064 KB Output is correct
23 Correct 83 ms 79700 KB Output is correct
24 Correct 76 ms 79580 KB Output is correct
25 Correct 120 ms 79716 KB Output is correct
26 Correct 108 ms 79696 KB Output is correct
27 Correct 194 ms 79952 KB Output is correct
28 Correct 71 ms 79704 KB Output is correct
29 Correct 163 ms 79956 KB Output is correct
30 Correct 164 ms 79948 KB Output is correct
31 Correct 83 ms 79688 KB Output is correct
32 Correct 91 ms 79684 KB Output is correct
33 Correct 65 ms 79680 KB Output is correct
34 Correct 123 ms 80064 KB Output is correct
35 Correct 71 ms 79596 KB Output is correct
36 Correct 173 ms 80032 KB Output is correct
37 Correct 81 ms 80056 KB Output is correct
38 Correct 136 ms 79688 KB Output is correct
39 Correct 78 ms 79696 KB Output is correct
40 Correct 127 ms 79688 KB Output is correct
41 Correct 114 ms 79804 KB Output is correct
42 Correct 156 ms 79668 KB Output is correct