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Submission #318078

# Submission time Handle Problem Language Result Execution time Memory
318078 2020-10-31T12:11:29 Z shivensinha4 Brunhilda’s Birthday (BOI13_brunhilda) C++17
3.33333 / 100
 9 ms 7020 KB 
#include "bits/stdc++.h"
using namespace std; 
#define for_(i, s, e) for (int i = s; i < (int) e; i++)
#define for__(i, s, e) for (ll i = s; i < e; i++)
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
#define endl '\n'

const int MXV = 1e5;
int ans[MXV+2];
vi fac[MXV+2];

int main() {
	#ifdef shiven
	freopen("test.in", "r", stdin);
	#endif
	
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	
	int m, q; cin >> m >> q;
	int mxp = -1;
	for_(i, 0, m)  {
		int p; cin >> p;
		fac[p].push_back(p);
		mxp = max(mxp, p);
	}
	
	vector<ii> last; // {val, nxt}
	last.push_back({0, mxp});
	int pt = 0;
	for_(i, 1, MXV+1) {
		if (pt < last.size() and last[pt].second == i) pt++;
		
		if (pt < last.size()) {
			ans[i] = ans[last[pt].first]+1;
		}
		
		for (int f = fac[i].size()-1; f >= 0; f--) {
			int nxt = i+fac[i][f];
			if (ans[i] and last.back().second < nxt) last.push_back({i, nxt});
			if (nxt <= MXV) fac[nxt].push_back(f);
			fac[i].pop_back();
		}
	}
	
	for_(i, 0, q) {
		int k; cin >> k;
		// assert(k <= MXV);
		if (!ans[k]) cout << "oo";
		else cout << ans[k];
		cout << endl;
	}
	

	return 0;
}

Compilation message

brunhilda.cpp: In function 'int main()':
brunhilda.cpp:34:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |   if (pt < last.size() and last[pt].second == i) pt++;
      |       ~~~^~~~~~~~~~~~~
brunhilda.cpp:36:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |   if (pt < last.size()) {
      |       ~~~^~~~~~~~~~~~~

Subtask #1
3.33333333333 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 2668 KB Output isn't correct
2 Incorrect 2 ms 2668 KB Output isn't correct
3 Incorrect 2 ms 2668 KB Output isn't correct
4 Incorrect 4 ms 2796 KB Output isn't correct
5 Incorrect 2 ms 2668 KB Output isn't correct
6 Incorrect 2 ms 2668 KB Output isn't correct
7 Incorrect 2 ms 2668 KB Output isn't correct
8 Incorrect 2 ms 2668 KB Output isn't correct
9 Incorrect 2 ms 2668 KB Output isn't correct
10 Incorrect 2 ms 2668 KB Output isn't correct
11 Incorrect 2 ms 2668 KB Output isn't correct
12 Correct 2 ms 2668 KB Output is correct
13 Correct 3 ms 2796 KB Output is correct
14 Correct 4 ms 2796 KB Output is correct
15 Incorrect 2 ms 2668 KB Output isn't correct
16 Incorrect 3 ms 2668 KB Output isn't correct
17 Incorrect 5 ms 2772 KB Output isn't correct
18 Incorrect 5 ms 2796 KB Output isn't correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 6 ms 6124 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Runtime error 6 ms 6124 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Runtime error 8 ms 6892 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Runtime error 8 ms 6380 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Runtime error 8 ms 6508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Runtime error 6 ms 6252 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Runtime error 6 ms 6124 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Runtime error 6 ms 5868 KB Execution killed with signal 11 (could be triggered by violating memory limits)
9 Runtime error 8 ms 6636 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Runtime error 8 ms 6892 KB Execution killed with signal 11 (could be triggered by violating memory limits)
11 Runtime error 9 ms 6892 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Runtime error 7 ms 6380 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Runtime error 6 ms 6016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Runtime error 7 ms 6380 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Runtime error 9 ms 6636 KB Execution killed with signal 11 (could be triggered by violating memory limits)
16 Runtime error 7 ms 6124 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Runtime error 8 ms 6176 KB Execution killed with signal 11 (could be triggered by violating memory limits)
18 Runtime error 8 ms 6636 KB Execution killed with signal 11 (could be triggered by violating memory limits)

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 6508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Runtime error 8 ms 6892 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Runtime error 8 ms 6892 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Runtime error 7 ms 6508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Runtime error 8 ms 6380 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Runtime error 7 ms 6636 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Runtime error 8 ms 6508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Runtime error 7 ms 6636 KB Execution killed with signal 11 (could be triggered by violating memory limits)
9 Runtime error 8 ms 6636 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Runtime error 9 ms 6764 KB Execution killed with signal 11 (could be triggered by violating memory limits)
11 Runtime error 8 ms 6636 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Runtime error 8 ms 6764 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Runtime error 8 ms 6892 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Runtime error 6 ms 5228 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Runtime error 8 ms 6764 KB Execution killed with signal 11 (could be triggered by violating memory limits)
16 Runtime error 9 ms 7020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Runtime error 8 ms 6636 KB Execution killed with signal 11 (could be triggered by violating memory limits)
18 Runtime error 8 ms 6892 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Runtime error 6 ms 5868 KB Execution killed with signal 11 (could be triggered by violating memory limits)
20 Runtime error 9 ms 6892 KB Execution killed with signal 11 (could be triggered by violating memory limits)
21 Runtime error 6 ms 5228 KB Execution killed with signal 11 (could be triggered by violating memory limits)
22 Runtime error 8 ms 6816 KB Execution killed with signal 11 (could be triggered by violating memory limits)
23 Runtime error 7 ms 6380 KB Execution killed with signal 11 (could be triggered by violating memory limits)
24 Runtime error 7 ms 6124 KB Execution killed with signal 11 (could be triggered by violating memory limits)
25 Runtime error 7 ms 6508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
26 Runtime error 8 ms 6508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
27 Runtime error 8 ms 7020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
28 Runtime error 6 ms 5356 KB Execution killed with signal 11 (could be triggered by violating memory limits)
29 Runtime error 8 ms 6892 KB Execution killed with signal 11 (could be triggered by violating memory limits)
30 Runtime error 8 ms 6892 KB Execution killed with signal 11 (could be triggered by violating memory limits)
31 Runtime error 7 ms 6124 KB Execution killed with signal 11 (could be triggered by violating memory limits)
32 Runtime error 7 ms 6380 KB Execution killed with signal 11 (could be triggered by violating memory limits)
33 Runtime error 6 ms 5868 KB Execution killed with signal 11 (could be triggered by violating memory limits)
34 Runtime error 8 ms 6508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
35 Runtime error 6 ms 5356 KB Execution killed with signal 11 (could be triggered by violating memory limits)
36 Runtime error 8 ms 6764 KB Execution killed with signal 11 (could be triggered by violating memory limits)
37 Runtime error 7 ms 6380 KB Execution killed with signal 11 (could be triggered by violating memory limits)
38 Runtime error 8 ms 6636 KB Execution killed with signal 11 (could be triggered by violating memory limits)
39 Runtime error 7 ms 6124 KB Execution killed with signal 11 (could be triggered by violating memory limits)
40 Runtime error 7 ms 6508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
41 Runtime error 7 ms 6380 KB Execution killed with signal 11 (could be triggered by violating memory limits)
42 Runtime error 8 ms 6508 KB Execution killed with signal 11 (could be triggered by violating memory limits)