oj.uz

Submission #308321

# Submission time Handle Problem Language Result Execution time Memory
308321 2020-09-30T22:56:40 Z luciocf Strongbox (POI11_sej) C++14
0 / 100
 2 ms 512 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int maxn = 1e3+10;

bool mark[maxn];

ll a[maxn];

int main(void)
{
	ll n;
	int k;
	scanf("%lld %d", &n, &k);

	for (int i = 1; i <= k; i++)
		scanf("%lld", &a[i]);

	ll ans = a[k];

	for (ll i = 1; i*i <= a[k]; i++)
	{
		if (a[k]%i) continue;

		ll d = i;

		memset(mark, 0, sizeof mark);

		ll at = 0;
		bool ok = 1;

		while (!mark[at])
		{
			mark[at] = 1;

			for (int j = 1; j < k; j++)
				if (a[j] == at)
					ok = 0;

			at = (at + d)%n;
		}

		if (ok) ans = min(ans, d);

		memset(mark, 0, sizeof mark);

		d = a[k]/i;
		at = 0;
		ok = 1;

		while (!mark[at])
		{
			mark[at] = 1;

			for (int j = 1; j < k; j++)
				if (a[j] == at)
					ok = 0;

			at = (at + d)%n;
		}

		if (ok) ans = min(ans, d);
	}

	printf("%lld\n", n/ans);
}

Compilation message

sej.cpp: In function 'int main()':
sej.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |  scanf("%lld %d", &n, &k);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
sej.cpp:20:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   20 |   scanf("%lld", &a[i]);
      |   ~~~~~^~~~~~~~~~~~~~~

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Runtime error 1 ms 384 KB Execution killed with signal 8 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 384 KB Execution killed with signal 8 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 384 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 384 KB Execution killed with signal 8 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 384 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #6
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #7
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 384 KB Execution killed with signal 8 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #8
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 384 KB Execution killed with signal 8 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #9
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 384 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #10
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 384 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #11
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1 ms 256 KB Time limit exceeded (wall clock)
2 Halted 0 ms 0 KB -

Subtask #12
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2 ms 256 KB Time limit exceeded (wall clock)
2 Halted 0 ms 0 KB -

Subtask #13
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2 ms 256 KB Time limit exceeded (wall clock)
2 Halted 0 ms 0 KB -

Subtask #14
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1 ms 256 KB Time limit exceeded (wall clock)
2 Halted 0 ms 0 KB -