oj.uz

Submission #631355

# Submission time Handle Problem Language Result Execution time Memory
631355 2022-08-18T03:37:37 Z TranGiaHuy1508 Brunhilda’s Birthday (BOI13_brunhilda) C++17
49.5238 / 100
 1000 ms 87748 KB 
/*
	Unknown's C++ Template (v3.2)
*/
 
#include "bits/stdc++.h"
using namespace std;
 
// #define int long long
 
using ll = long long;
using ld = long double;
using ii = pair<int, int>;
using vi = vector<int>;
using vii = vector<ii>;
using vvi = vector<vi>;
using vvii = vector<vii>;
template <class T> using maxpq = priority_queue<T>;
template <class T> using minpq = priority_queue<T, vector<T>, greater<T>>;
 
#define pb push_back
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
#define mid ((l+r)>>1)
#define fi first
#define se second
 
#ifdef LOCAL
	#define debug(x) cout << #x << " = " << x << "\n";
#else
	#define debug(x) ;
#endif
 
template <class A, class B>
ostream& operator << (ostream& out, pair<A, B> x)
{ out << "(" << x.first << ", " << x.second << ")"; return out; }
 
template <class T>
ostream& operator << (ostream& out, vector<T> x){
	out << "[";
	for (int i=0; i<sz(x); i++) { out << (i ? ", " : "") << x[i]; }
	out << "]"; return out;
}
 
template <class T>
istream& operator >> (istream& in, vector<T> &x){
	for (auto &i: x) in >> i;
	return in;
}
 
const ld PI = acos(-1.0);
const int allmod[3] = {(int)1e9+7, 998244353, (int)1e9+9};
const int mod = allmod[0];
const int maxn = 2e5 + 64;
const int inf = 1e9;
const ld eps = 1e-6;
const int multitest = 0;
 
const int maxval = 1e7 + 10;

int dp[maxval];
bool v[maxval];
int divs[maxval];
vi primes, inp;

void sieve(){
	for (auto i: inp){
		for (int j = i; j < maxval; j += i) divs[j] = i;
	}
}

#define chkmin(a, b) ((a) < (b) ? (a) : (b))

void main_program(){
	int m, Q; cin >> m >> Q;
	inp.resize(m); cin >> inp;
	for (int i = 0; i < m; i++){
		int x = inp[i]; v[x] = true;
	}

	sieve();
 
	for (int i = 0; i < maxval; i++){
		dp[i] = inf;
	}
 
	dp[0] = 0;
	for (int i = 1; i < *max_element(all(inp)); i++) dp[i] = 1;

	int x = 0;
	int lim = *max_element(all(inp));
	while (x < maxval && lim < maxval){
		if (x >= lim) break;
		int j = x;
		while (j > 1){
			int p = divs[j];
			if (!p) break;
			if (v[p]){
				while (lim < chkmin(maxval, x + p)){
					dp[lim] = dp[x] + 1;
					// if (lim <= 10) cout << lim << " " << dp[lim] << "\n";
					lim++;
				}
			}
			j /= p;
		}
		x++;
	}

	// cout << lim << "\n";

	for (int i = 0; i < Q; i++){
		int a; cin >> a;
		if (a >= lim) cout << "oo\n";
		else cout << dp[a] << "\n";
	}
}
 
void pre_main(){
 
}
 
signed main(){
	#ifdef LOCAL
		auto stime = chrono::high_resolution_clock::now();
	#endif
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	#ifndef ONLINE_JUDGE
		if (fopen(".inp", "r")){
			freopen(".inp", "r", stdin);
			freopen(".out", "w", stdout);
		}
	#endif
	int t = 1; if (multitest) cin >> t;
	pre_main();
	while (t--) main_program();
	#ifdef LOCAL
		auto etime = chrono::high_resolution_clock::now();
		auto duration = chrono::duration_cast<chrono::milliseconds>(etime-stime).count();
		cout << "\n[" << duration << "ms]\n";
	#endif
}

Compilation message

brunhilda.cpp: In function 'int main()':
brunhilda.cpp:129:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  129 |    freopen(".inp", "r", stdin);
      |    ~~~~~~~^~~~~~~~~~~~~~~~~~~~
brunhilda.cpp:130:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  130 |    freopen(".out", "w", stdout);
      |    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 78592 KB Output is correct
2 Correct 272 ms 78544 KB Output is correct
3 Correct 50 ms 78496 KB Output is correct
4 Correct 69 ms 78504 KB Output is correct
5 Correct 117 ms 78552 KB Output is correct
6 Correct 60 ms 78560 KB Output is correct
7 Correct 53 ms 78624 KB Output is correct
8 Correct 70 ms 78492 KB Output is correct
9 Correct 360 ms 78584 KB Output is correct
10 Correct 382 ms 78540 KB Output is correct
11 Correct 272 ms 78660 KB Output is correct
12 Correct 69 ms 78480 KB Output is correct
13 Correct 511 ms 78596 KB Output is correct
14 Correct 491 ms 78668 KB Output is correct
15 Correct 250 ms 78612 KB Output is correct
16 Correct 283 ms 78496 KB Output is correct
17 Correct 112 ms 78592 KB Output is correct
18 Correct 74 ms 78588 KB Output is correct

Subtask #2
6.66666666667 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1100 ms 79412 KB Time limit exceeded
2 Execution timed out 1104 ms 87640 KB Time limit exceeded
3 Execution timed out 1074 ms 79820 KB Time limit exceeded
4 Correct 453 ms 78700 KB Output is correct
5 Execution timed out 1094 ms 79976 KB Time limit exceeded
6 Correct 276 ms 78672 KB Output is correct
7 Execution timed out 1074 ms 79452 KB Time limit exceeded
8 Correct 181 ms 78624 KB Output is correct
9 Execution timed out 1087 ms 80052 KB Time limit exceeded
10 Execution timed out 1088 ms 79764 KB Time limit exceeded
11 Execution timed out 1084 ms 79160 KB Time limit exceeded
12 Correct 402 ms 78544 KB Output is correct
13 Execution timed out 1092 ms 78992 KB Time limit exceeded
14 Correct 452 ms 78612 KB Output is correct
15 Execution timed out 1075 ms 79464 KB Time limit exceeded
16 Execution timed out 1097 ms 87748 KB Time limit exceeded
17 Correct 665 ms 78632 KB Output is correct
18 Execution timed out 1087 ms 80876 KB Time limit exceeded

Subtask #3
22.8571428571 / 60.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1084 ms 79676 KB Time limit exceeded
2 Execution timed out 1096 ms 79396 KB Time limit exceeded
3 Execution timed out 1093 ms 79348 KB Time limit exceeded
4 Correct 687 ms 78956 KB Output is correct
5 Execution timed out 1086 ms 83228 KB Time limit exceeded
6 Execution timed out 1098 ms 78656 KB Time limit exceeded
7 Execution timed out 1096 ms 81148 KB Time limit exceeded
8 Execution timed out 1089 ms 79672 KB Time limit exceeded
9 Execution timed out 1101 ms 79760 KB Time limit exceeded
10 Correct 859 ms 78712 KB Output is correct
11 Correct 645 ms 78700 KB Output is correct
12 Correct 978 ms 78708 KB Output is correct
13 Execution timed out 1105 ms 79004 KB Time limit exceeded
14 Correct 415 ms 79096 KB Output is correct
15 Correct 887 ms 78692 KB Output is correct
16 Execution timed out 1012 ms 78692 KB Time limit exceeded
17 Execution timed out 1071 ms 79456 KB Time limit exceeded
18 Execution timed out 1082 ms 79392 KB Time limit exceeded
19 Execution timed out 1096 ms 79180 KB Time limit exceeded
20 Execution timed out 1093 ms 79352 KB Time limit exceeded
21 Correct 457 ms 79124 KB Output is correct
22 Execution timed out 1101 ms 80360 KB Time limit exceeded
23 Execution timed out 1096 ms 79684 KB Time limit exceeded
24 Correct 233 ms 78856 KB Output is correct
25 Correct 473 ms 78896 KB Output is correct
26 Correct 709 ms 78860 KB Output is correct
27 Execution timed out 1084 ms 80184 KB Time limit exceeded
28 Correct 332 ms 78956 KB Output is correct
29 Execution timed out 1095 ms 80396 KB Time limit exceeded
30 Execution timed out 1094 ms 79752 KB Time limit exceeded
31 Execution timed out 1090 ms 78816 KB Time limit exceeded
32 Correct 439 ms 78944 KB Output is correct
33 Correct 329 ms 79040 KB Output is correct
34 Execution timed out 1094 ms 81276 KB Time limit exceeded
35 Correct 493 ms 78960 KB Output is correct
36 Execution timed out 1089 ms 80332 KB Time limit exceeded
37 Execution timed out 1090 ms 83276 KB Time limit exceeded
38 Execution timed out 1092 ms 78788 KB Time limit exceeded
39 Correct 405 ms 78968 KB Output is correct
40 Execution timed out 1099 ms 78796 KB Time limit exceeded
41 Execution timed out 1071 ms 82112 KB Time limit exceeded
42 Correct 648 ms 79016 KB Output is correct