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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#862076 | #8830. Breaking Bad | dspt | WA | 1ms | 8032kb | C++23 | 1.6kb | 2025-01-18 21:42:13 | 2025-01-18 21:42:32 |
Judging History
answer
#include <vector>
#include <stdio.h>
using namespace std;
vector<int> e; bool h[6][64][5];
int n, g[1001], a[1001][1001], b[1001][1001], f[1001][1001];
void work(const int x)
{
e.push_back(g[1]); e.push_back(g[x]);
for (int i(2), c(0); i <= n; ++i) if (c != x)
{
g[++c] = g[i];
for (int j(2), d(0); j <= n; ++j) if (d != x) b[c][++d] = a[i][j];
}
n -= 2;
for (int i(1); i <= n; ++i) for (int j(1); j <= n; ++j) a[i][j] = b[i][j];
}
int main()
{
scanf("%d", &n);
for (int i(1); i <= n; ++i)
{
g[i] = i;
for (int j(1); j <= n; ++j) scanf("%d", &a[i][j]), f[i][j] = a[i][j];
}
for (int i(1); i <= 4 && n >= 2; ++i)
{
bool d(false);
for (int j(2); j <= n && !d; ++j)
if ((a[i][i] + a[j][j]) % 5 != (a[i][j] + a[j][i]) % 5)
{
work(j); d = true;
break;
}
if (!d) break;
}
if ((int)size(g) == 8) puts("YYYYY");
else
{
const int m(size(e)); int c(0);
for (int i(1); i <= n; ++i) c = (c + a[i][i]) % 5;
for (int i(0); i < m; ++i) for (int j(0); j < m; ++j) a[i][j] = f[e[i]][e[j]];
h[0][0][c] = true;
for (int i(0); i < m; ++i) for (int j(0); j < 1 << m; ++j)
for (int k(0); k < 5; ++k) if (h[i][j][k])
for (int d(0); d < m; ++d) if (!(j >> d & 1))
h[i + 1][j | 1 << d][(k + a[i][d]) % 5] = true;
for (int i(0); i < 5; ++i) putchar(h[m][(1 << m) - 1][i] ? 'Y' : 'N');
putchar('\n');
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 8032kb
input:
2 0 4 4 0
output:
YNNYN
result:
ok "YNNYN"
Test #2:
score: 0
Accepted
time: 0ms
memory: 5972kb
input:
2 1 1 1 1
output:
NNYNN
result:
ok "NNYNN"
Test #3:
score: -100
Wrong Answer
time: 1ms
memory: 8032kb
input:
4 0 0 1 0 0 1 0 1 0 0 0 0 1 1 0 0
output:
NYYNN
result:
wrong answer 1st words differ - expected: 'YYYYN', found: 'NYYNN'