oj.uz

Submission #378982

# Submission time Handle Problem Language Result Execution time Memory
378982 2021-03-17T08:10:07 Z casperwang Nice sequence (IZhO18_sequence) C++14
9 / 100
 10 ms 748 KB 
#include <bits/stdc++.h>
using namespace std;
#define debug(args...) kout("[ " + string(#args) + " ]", args)
void kout() { cerr << endl; }
template <class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ',kout(b...); }
template <class T> void pary(T L, T R) { while (L != R) cerr << *L << " \n"[++L==R]; }

const int MAXN = 200000;
int t;
int n, m;
bool flag;
int len;
int a[MAXN+1];

void solve(int n, int m) {
	if (m % n == 0) {
		len = m-1;
		for (int i = 1; i <= len; i++)
			a[i] = flag ? 1 : -1;
	} else {
		len = (m + n-1) / n * n - 1;
		for (int i = 1; i <= len; i++) {
			if (i % n == 1 && i != 1)
				a[i] = flag ? -m/2-1 : m/2+1;
			else if (i % n == 0)
				a[i] = flag ? m/2+2 : -m/2-2;
			else if (i == n-1)
				a[i] = flag ? -m/2-1 : m/2+1;
			else
				a[i] = 0;
		}
	}
}

signed main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	/*
	for (int i = 1; i <= 10; i++)
		for (int j = i; j <= 10; j++)
			solve(i, j), debug(i, j, len);
	return 0;
	*/
	cin >> t;
	while (t--) {
		cin >> n >> m;
		if (n > m)
			swap(n, m), flag = true;
		else
			flag = false;
		assert(n != 3);
		solve(n, m);
		cout << len << '\n';
		for (int i = 1; i <= len; i++)
			cout << a[i] << " \n"[i==len];
	}
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Runtime error 1 ms 492 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Correct 1 ms 364 KB Ok
3 Correct 1 ms 364 KB Ok
4 Correct 1 ms 364 KB Ok
5 Correct 1 ms 364 KB Ok
6 Correct 2 ms 364 KB Ok
7 Correct 10 ms 748 KB Ok
8 Correct 6 ms 492 KB Ok
9 Correct 10 ms 748 KB Ok
10 Correct 9 ms 620 KB Ok

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Correct 1 ms 364 KB Ok
3 Correct 1 ms 364 KB Ok
4 Runtime error 1 ms 492 KB Execution killed with signal 6
5 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 492 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Runtime error 1 ms 492 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Runtime error 1 ms 492 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Runtime error 1 ms 492 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -