oj.uz

Submission #944485

# Submission time Handle Problem Language Result Execution time Memory
944485 2024-03-12T18:57:08 Z vjudge1 Brunhilda’s Birthday (BOI13_brunhilda) C++17
80.3175 / 100
 221 ms 80724 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+10,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(i<v.back())ans[i]=1;
		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 64 ms 78680 KB Output is correct
2 Correct 67 ms 78672 KB Output is correct
3 Correct 79 ms 78492 KB Output is correct
4 Correct 61 ms 78780 KB Output is correct
5 Correct 58 ms 78488 KB Output is correct
6 Correct 63 ms 78676 KB Output is correct
7 Correct 66 ms 78496 KB Output is correct
8 Correct 69 ms 78496 KB Output is correct
9 Correct 73 ms 78672 KB Output is correct
10 Correct 84 ms 78672 KB Output is correct
11 Correct 79 ms 78496 KB Output is correct
12 Correct 59 ms 78740 KB Output is correct
13 Correct 146 ms 78676 KB Output is correct
14 Correct 140 ms 78676 KB Output is correct
15 Correct 70 ms 78672 KB Output is correct
16 Correct 75 ms 78712 KB Output is correct
17 Correct 64 ms 78676 KB Output is correct
18 Correct 51 ms 78572 KB Output is correct

Subtask #2
18.8888888889 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 78656 KB Output is correct
2 Correct 86 ms 79696 KB Output is correct
3 Correct 182 ms 79252 KB Output is correct
4 Correct 76 ms 78628 KB Output is correct
5 Correct 119 ms 79188 KB Output is correct
6 Correct 68 ms 78500 KB Output is correct
7 Correct 66 ms 78932 KB Output is correct
8 Correct 73 ms 78500 KB Output is correct
9 Correct 148 ms 79364 KB Output is correct
10 Correct 176 ms 79444 KB Output is correct
11 Incorrect 216 ms 78992 KB Output isn't correct
12 Correct 109 ms 78548 KB Output is correct
13 Correct 54 ms 78520 KB Output is correct
14 Correct 75 ms 78676 KB Output is correct
15 Correct 141 ms 78928 KB Output is correct
16 Correct 69 ms 79752 KB Output is correct
17 Correct 147 ms 78524 KB Output is correct
18 Correct 143 ms 79620 KB Output is correct

Subtask #3
41.4285714286 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 155 ms 79440 KB Output is correct
2 Correct 184 ms 79464 KB Output is correct
3 Correct 186 ms 79748 KB Output is correct
4 Incorrect 120 ms 79500 KB Output isn't correct
5 Incorrect 89 ms 80724 KB Output isn't correct
6 Correct 176 ms 79780 KB Output is correct
7 Correct 131 ms 80208 KB Output is correct
8 Correct 158 ms 79440 KB Output is correct
9 Correct 153 ms 79452 KB Output is correct
10 Correct 148 ms 78912 KB Output is correct
11 Incorrect 99 ms 78976 KB Output isn't correct
12 Correct 140 ms 78988 KB Output is correct
13 Correct 181 ms 80000 KB Output is correct
14 Correct 105 ms 79784 KB Output is correct
15 Incorrect 144 ms 78856 KB Output isn't correct
16 Correct 164 ms 78884 KB Output is correct
17 Correct 137 ms 79072 KB Output is correct
18 Correct 188 ms 79444 KB Output is correct
19 Incorrect 62 ms 78928 KB Output isn't correct
20 Correct 190 ms 79696 KB Output is correct
21 Incorrect 125 ms 80040 KB Output isn't correct
22 Correct 188 ms 80556 KB Output is correct
23 Correct 92 ms 79956 KB Output is correct
24 Correct 75 ms 79696 KB Output is correct
25 Correct 139 ms 79656 KB Output is correct
26 Incorrect 125 ms 79440 KB Output isn't correct
27 Correct 215 ms 80284 KB Output is correct
28 Incorrect 75 ms 79952 KB Output isn't correct
29 Correct 221 ms 80724 KB Output is correct
30 Correct 164 ms 80440 KB Output is correct
31 Correct 84 ms 79428 KB Output is correct
32 Incorrect 95 ms 79696 KB Output isn't correct
33 Incorrect 67 ms 79532 KB Output isn't correct
34 Correct 134 ms 80372 KB Output is correct
35 Incorrect 76 ms 79812 KB Output isn't correct
36 Correct 188 ms 80448 KB Output is correct
37 Incorrect 88 ms 80720 KB Output isn't correct
38 Correct 145 ms 79700 KB Output is correct
39 Incorrect 82 ms 79612 KB Output isn't correct
40 Correct 135 ms 79700 KB Output is correct
41 Correct 115 ms 80296 KB Output is correct
42 Correct 159 ms 79700 KB Output is correct