QOJ.ac
QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#875675 | #9731. Fuzzy Ranking | yuanruiqi | RE | 1ms | 3712kb | C++26 | 2.1kb | 2025-01-30 01:21:23 | 2025-01-30 01:21:24 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
constexpr int maxn = 200000 + 10;
vector<int> e[maxn], g[maxn];
int st[maxn], top;
int vis[maxn];
void dfs1(int u)
{
vis[u] = 1;
for (int v : e[u])
{
if (vis[v]) continue;
dfs1(v);
}
st[++top] = u;
}
void dfs2(int u, int c)
{
vis[u] = c;
for (int v : g[u])
if (!vis[v]) dfs2(v, c);
}
int siz[maxn];
void solve()
{
int n, k, q;
cin >> n >> k >> q;
for (int i=1;i<=n;++i) e[i].clear(), g[i].clear();
vector<vector<int> > a(k, vector<int>(n));
for (int i=0;i<k;++i)
{
for (int j=0;j<n;++j) cin >> a[i][j];
for (int j=1;j<n;++j)
{
int x = a[i][j], p = a[i][j - 1];
e[p].emplace_back(x);
g[x].emplace_back(p);
}
}
top = 0;
memset(vis, 0, sizeof(vis[0]) * (n + 5));
for (int i=1;i<=n;++i) if (!vis[i]) dfs1(i);
memset(vis, 0, sizeof(vis[0]) * (n + 5));
int idx = 0;
for (; top; --top) if (!vis[st[top]]) dfs2(st[top], ++idx);
vector<vector<i64> > c(k, vector<i64>(n));
vector<vector<i64> > s(k, vector<i64>(n));
memset(siz, 0, sizeof(siz[0]) * (idx + 5));
for (int i=1;i<=n;++i) ++siz[vis[i]];
for (int i=0;i<k;++i)
{
int lst = -1, now = 0;
i64 sum = 0;
for (int j=0;j<n;++j)
{
if (vis[a[i][j]] == lst) ++now;
else sum += now * (now - 1) / 2, now = 1, lst = vis[a[i][j]];
c[i][j] = now;
s[i][j] = sum + now * (now - 1) / 2;
}
}
i64 x = 0;
while (q--)
{
int t, l, r;
cin >> t >> l >> r;
t = (t + x) % k;
l = (l + x) % n;
r = (r + x) % n;
x = s[t][r];
if (l) x -= s[t][l - 1] + ((a[t][r] == a[t][l - 1] ? c[t][r] : siz[vis[a[t][l - 1]]]) - c[t][l - 1]) * c[t][l - 1];
cout << x << '\n';
}
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int t;
cin >> t;
while (t--) solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3712kb
input:
2 5 2 2 1 2 3 4 5 5 4 3 2 1 1 0 2 1 2 1 5 3 3 1 2 3 4 5 1 3 2 4 5 1 2 3 5 4 0 0 2 0 2 3 1 0 3
output:
3 10 1 1 2
result:
ok 5 lines
Test #2:
score: -100
Runtime Error
input:
2000 10 10 10 4 5 3 6 8 9 2 1 7 10 4 5 6 3 8 9 1 2 10 7 5 4 3 6 8 9 1 2 7 10 4 5 6 3 8 9 1 2 7 10 4 5 3 6 8 9 2 1 10 7 4 5 6 3 8 9 1 2 10 7 5 4 6 3 8 9 1 2 7 10 5 4 6 3 8 9 1 2 10 7 4 5 6 3 8 9 2 1 7 10 5 4 3 6 8 9 2 1 10 7 3 1 6 5 7 8 0 2 3 7 9 9 2 1 9 6 1 6 7 2 3 0 0 4 1 8 1 1 8 7 10 10 10 9 10 5 ...