QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#335152 | #7178. Bishops | coolplum | WA | 0ms | 3816kb | C++17 | 1008b | 2024-02-22 19:58:40 | 2024-02-22 19:58:40 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
int s(int n, int m)
{
if ((m-1)%n==0)
return 1;
return 1+n-m%n;
}
int e(int n, int m)
{
if ((m-1)%n==0)
return n-1;
return m%n-2;
}
int main()
{
int m, n;
vector<pair<int, int> > h, v;
cin >> m >> n;
for (int i=0; i<m; i=i+n)
for (int j=0; j<n; j++)
h.push_back({i+1, j+1});
for (int j=s(n, m); j<e(n, m); j++)
h.push_back({m, j+1});
swap(m, n);
for (int i=0; i<m; i=i+n)
for (int j=0; j<n; j++)
v.push_back({i+1, j+1});
for (int j=s(n, m); j<e(n, m); j++)
v.push_back({m, j+1});
if (h.size()>v.size())
{
cout << h.size() << '\n';
for (auto x : h)
cout << x.first << ' ' << x.second << '\n';
}
else
{
cout << v.size() << '\n';
for (auto x : v)
cout << x.second << ' ' << x.first << '\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3512kb
input:
2 5
output:
6 1 1 2 1 1 3 2 3 1 5 2 5
result:
ok n: 2, m: 5, bishops: 6
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 3816kb
input:
5 5
output:
5 1 1 2 1 3 1 4 1 5 1
result:
wrong answer Participant's answer is not optimal (5 < 8)