oj.uz

Submission #631347

# Submission time Handle Problem Language Result Execution time Memory
631347 2022-08-18T03:30:14 Z TranGiaHuy1508 Brunhilda’s Birthday (BOI13_brunhilda) C++17
6.66667 / 100
 1000 ms 107408 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;

void sieve(){
	for (int d = 2; d < maxval; d++){
		if (!divs[d]){
			divs[d] = d;
			primes.pb(d);
			for (int j = 0; j < sz(primes) && primes[j] <= d; j++){
				if (d * primes[j] >= maxval) break;
				divs[d * primes[j]] = primes[j];
			}
		}
	}
}

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

void main_program(){
	int m, Q; cin >> m >> Q;
	vi inp(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++;
	}

	for (int i = 0; i < Q; i++){
		int a; cin >> a;
		if (dp[a] >= inf) 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:134:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  134 |    freopen(".inp", "r", stdin);
      |    ~~~~~~~^~~~~~~~~~~~~~~~~~~~
brunhilda.cpp:135:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  135 |    freopen(".out", "w", stdout);
      |    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.66666666667 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 285 ms 98448 KB Output isn't correct
2 Incorrect 281 ms 98292 KB Output isn't correct
3 Incorrect 254 ms 98268 KB Output isn't correct
4 Correct 401 ms 98276 KB Output is correct
5 Correct 256 ms 98432 KB Output is correct
6 Incorrect 266 ms 98256 KB Output isn't correct
7 Incorrect 273 ms 98444 KB Output isn't correct
8 Incorrect 273 ms 98348 KB Output isn't correct
9 Incorrect 261 ms 98228 KB Output isn't correct
10 Incorrect 279 ms 98320 KB Output isn't correct
11 Incorrect 255 ms 98244 KB Output isn't correct
12 Correct 403 ms 98264 KB Output is correct
13 Correct 376 ms 98312 KB Output is correct
14 Correct 385 ms 98288 KB Output is correct
15 Incorrect 272 ms 98300 KB Output isn't correct
16 Incorrect 289 ms 98244 KB Output isn't correct
17 Incorrect 256 ms 98260 KB Output isn't correct
18 Correct 393 ms 98364 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1095 ms 99172 KB Time limit exceeded
2 Execution timed out 1091 ms 107408 KB Time limit exceeded
3 Execution timed out 1101 ms 99588 KB Time limit exceeded
4 Incorrect 703 ms 98532 KB Output isn't correct
5 Execution timed out 1102 ms 99684 KB Time limit exceeded
6 Incorrect 499 ms 98392 KB Output isn't correct
7 Execution timed out 1097 ms 99216 KB Time limit exceeded
8 Incorrect 420 ms 98324 KB Output isn't correct
9 Execution timed out 1091 ms 99852 KB Time limit exceeded
10 Execution timed out 1092 ms 99616 KB Time limit exceeded
11 Execution timed out 1092 ms 98868 KB Time limit exceeded
12 Incorrect 493 ms 98372 KB Output isn't correct
13 Execution timed out 1087 ms 98884 KB Time limit exceeded
14 Incorrect 732 ms 98580 KB Output isn't correct
15 Execution timed out 1097 ms 99264 KB Time limit exceeded
16 Execution timed out 1094 ms 107408 KB Time limit exceeded
17 Incorrect 603 ms 98364 KB Output isn't correct
18 Execution timed out 1097 ms 100596 KB Time limit exceeded

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1103 ms 99380 KB Time limit exceeded
2 Execution timed out 1053 ms 99148 KB Time limit exceeded
3 Execution timed out 1104 ms 99164 KB Time limit exceeded
4 Incorrect 750 ms 98720 KB Output isn't correct
5 Execution timed out 1103 ms 102968 KB Time limit exceeded
6 Execution timed out 1096 ms 98432 KB Time limit exceeded
7 Execution timed out 1095 ms 100840 KB Time limit exceeded
8 Execution timed out 1088 ms 99392 KB Time limit exceeded
9 Execution timed out 1086 ms 99512 KB Time limit exceeded
10 Execution timed out 1002 ms 98500 KB Time limit exceeded
11 Incorrect 864 ms 98428 KB Output isn't correct
12 Execution timed out 1087 ms 98452 KB Time limit exceeded
13 Execution timed out 1097 ms 98696 KB Time limit exceeded
14 Incorrect 275 ms 98560 KB Output isn't correct
15 Incorrect 866 ms 98420 KB Output isn't correct
16 Execution timed out 1006 ms 98444 KB Time limit exceeded
17 Execution timed out 1101 ms 99248 KB Time limit exceeded
18 Execution timed out 1095 ms 99240 KB Time limit exceeded
19 Execution timed out 1068 ms 98944 KB Time limit exceeded
20 Execution timed out 1097 ms 99088 KB Time limit exceeded
21 Incorrect 325 ms 98556 KB Output isn't correct
22 Execution timed out 1095 ms 100164 KB Time limit exceeded
23 Execution timed out 1095 ms 99296 KB Time limit exceeded
24 Incorrect 590 ms 98784 KB Output isn't correct
25 Incorrect 597 ms 98628 KB Output isn't correct
26 Incorrect 748 ms 98688 KB Output isn't correct
27 Execution timed out 1097 ms 99956 KB Time limit exceeded
28 Incorrect 650 ms 98808 KB Output isn't correct
29 Execution timed out 1081 ms 100352 KB Time limit exceeded
30 Execution timed out 1058 ms 99644 KB Time limit exceeded
31 Execution timed out 1092 ms 98580 KB Time limit exceeded
32 Incorrect 678 ms 98772 KB Output isn't correct
33 Incorrect 661 ms 98932 KB Output isn't correct
34 Execution timed out 1086 ms 100948 KB Time limit exceeded
35 Incorrect 775 ms 98752 KB Output isn't correct
36 Execution timed out 1086 ms 100184 KB Time limit exceeded
37 Execution timed out 1091 ms 103024 KB Time limit exceeded
38 Execution timed out 1100 ms 98420 KB Time limit exceeded
39 Incorrect 698 ms 98688 KB Output isn't correct
40 Execution timed out 1096 ms 98732 KB Time limit exceeded
41 Execution timed out 1094 ms 101880 KB Time limit exceeded
42 Incorrect 541 ms 98732 KB Output isn't correct