結果
| 問題 |
No.3334 I hate Image Convolution
|
| コンテスト | |
| ユーザー |
shinchan
|
| 提出日時 | 2025-11-07 22:52:16 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 197 ms / 3,000 ms |
| コード長 | 3,704 bytes |
| コンパイル時間 | 2,262 ms |
| コンパイル使用メモリ | 216,176 KB |
| 実行使用メモリ | 49,976 KB |
| 最終ジャッジ日時 | 2025-11-07 22:52:35 |
| 合計ジャッジ時間 | 18,898 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 56 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define all(v) (v).begin(),(v).end()
#define pb emplace_back
#define rep(i, n) for(int i=0;i<(n);i++)
#define foa(e, v) for(auto& e : v)
#define dout(a) cout<<fixed<<setprecision(10)<<a<<'\n';
#define Cout(a) cout<<a<<'\n';
using ll = long long;
using ld = long double;
using Int = __int128;
template <class T> using pqr = priority_queue<T, vector<T>, greater<T>>;
template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) {
bool compare = a < b;
if(compare) a = b;
return compare;
}
template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) {
bool compare = a > b;
if(compare) a = b;
return compare;
}
template <typename T> inline T back(std::set<T> &s) {
return *s.rbegin();
}
template <typename T> inline T back(std::multiset<T> &s) {
return *s.rbegin();
}
template <typename T> inline T pop_back(std::set<T> &s) {
auto it = prev(s.end());
T val = *it;
s.erase(it);
return val;
}
template <typename T> inline T pop_back(std::multiset<T> &s) {
auto it = prev(s.end());
T val = *it;
s.erase(it);
return val;
}
const int dy[8] = {-1, 0, 0, 1, 1, -1, 1, -1};
const int dx[8] = {0, -1, 1, 0, -1, -1, 1, 1};
const ll MOD7 = 1000000007, MOD998 = 998244353, INF = (3LL << 59);
const int inf = 1 << 30;
const char br = '\n';
// depends on dijkstra
vector<ll> USHI(ll n, vector<tuple<ll, ll, ll>> edges, ll s) {
// v : x_i - x_j <= M
vector<vector<pair<ll, ll>>> G(n);
for(auto [i, j, M] : edges) {
G[j].push_back({M, i});
}
vector<ll> dist(n, INF);
dist[s] = 0;
bool update = 1;
bool ng = 0;
rep(_, n) {
update = 0;
rep(i, n) {
for(auto [d, node]: G[i]) {
if(dist[i] + d < dist[node]) {
dist[node] = dist[i] + d;
update = 1;
}
}
}
if(!update) break;
else if(_ == n - 1) ng = 1;
}
if(ng) {
dist[0] = -1;
}
return dist;
}
vector<vector<ll>> calc(vector<vector<ll>> &s) {
int n = s.size() + 1;
int m = n;
vector ans(n, vector(m, 0LL));
for(int i = 1; i < n; i ++) {
for(int j = 1; j < m; j ++) {
ans[i][j] = s[i - 1][j - 1] - ans[i - 1][j] - ans[i][j - 1] - ans[i - 1][j - 1];
}
}
vector<tuple<ll, ll, ll>> edges;
rep(i, n) {
rep(j, m) {
bool flag = (i + j) & 1;
if(!flag) {
edges.pb(i, j + n, ans[i][j]);
} else {
edges.pb(j + n, i, ans[i][j]);
}
}
}
auto dis = USHI(n + m, edges, 0);
if(dis[0] == -1) {
ans[0][0] = -1;
return ans;
} else {
rep(i, n) rep(j, m) {
bool flag = (i + j) & 1;
if(!flag) {
ans[i][j] += dis[j + n] - dis[i];
} else {
ans[i][j] += dis[i] - dis[j + n];
}
}
}
return ans;
}
void solve() {
ll n; cin >> n;
vector<ll> a((n - 1) * (n - 1));
for(ll &e : a) cin >> e;
sort(all(a));
{
vector s(n - 1, vector(n - 1, 0LL));
rep(i, n - 1) rep(j, n - 1) s[i][j] = a[i * (n - 1) + j];
auto ret = calc(s);
if(ret[0][0] != -1) {
rep(i, n) {
rep(j, n) {
cout << ret[i][j] << " ";
}
cout << endl;
}
return;
}
}
cout << -1 << endl;
return;
}
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
int testcase = 1;
cin >> testcase;
while(testcase --) solve();
return 0;
}
shinchan