結果
問題 | No.1345 Beautiful BINGO |
ユーザー |
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提出日時 | 2021-04-08 21:45:50 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 793 ms / 2,000 ms |
コード長 | 2,882 bytes |
コンパイル時間 | 2,105 ms |
コンパイル使用メモリ | 209,468 KB |
最終ジャッジ日時 | 2025-01-20 13:09:51 |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 61 |
ソースコード
#include <bits/stdc++.h>//#include<boost/multiprecision/cpp_int.hpp>//#include<boost/multiprecision/cpp_dec_float.hpp>//#include <atcoder/all>#define rep(i, a) for (int i = (int)0; i < (int)a; ++i)#define rrep(i, a) for (int i = (int)a - 1; i >= 0; --i)#define REP(i, a, b) for (int i = (int)a; i < (int)b; ++i)#define RREP(i, a, b) for (int i = (int)a - 1; i >= b; --i)#define repl(i, a) for (ll i = (ll)0; i < (ll)a; ++i)#define pb push_back#define eb emplace_back#define all(x) x.begin(), x.end()#define rall(x) x.rbegin(), x.rend()#define popcount __builtin_popcount#define popcountll __builtin_popcountll#define fi first#define se secondusing ll = long long;constexpr ll mod = 1e9 + 7;constexpr ll mod_998244353 = 998244353;constexpr ll INF = 1LL << 60;// #pragma GCC target("avx2")// #pragma GCC optimize("O3")// #pragma GCC optimize("unroll-loops")//using lll=boost::multiprecision::cpp_int;//using Double=boost::multiprecision::number<boost::multiprecision::cpp_dec_float<128>>;//仮数部が1024桁template <class T>inline bool chmin(T &a, T b){if (a > b){a = b;return true;}return false;}template <class T>inline bool chmax(T &a, T b){if (a < b){a = b;return true;}return false;}template <typename T>T mypow(T x, T n, const T &p = -1){ //x^nをmodで割った余りif (p != -1){x =(x%p+p)%p;}T ret = 1;while (n > 0){if (n & 1){if (p != -1)ret = (ret * x) % p;elseret *= x;}if (p != -1)x = (x * x) % p;elsex *= x;n >>= 1;}return ret;}using namespace std;//using namespace atcoder;void solve(){int n,m;cin>>n>>m;vector<vector<int>>a(n,vector<int>(n));rep(i,n){rep(j,n){cin>>a[i][j];}}int ans=1e9;rep(cross,1<<2){int ori_res=0;int ori_rest=m;vector<vector<bool>>ori(n,vector<bool>(n));rep(i,2){if(cross&1<<i){--ori_rest;if(!i){rep(j,n){if(!ori[j][j])ori_res+=a[j][j];ori[j][j]=true;}}else{rep(j,n){if(!ori[j][n-1-j])ori_res+=a[j][n-1-j];ori[j][n-1-j]=true;}}}}rep(bit,1<<n){auto used=ori;int res=ori_res;int rest=ori_rest;rep(i,n){if(bit&1<<i){--rest;rep(j,n){if(!used[i][j]){res+=a[i][j];used[i][j]=true;}}}}if(bit==(1<<n)-1){chmin(ans,res);continue;}priority_queue<int,vector<int>,greater<>>pq;rep(j,n){int sum=0;rep(i,n){if(!used[i][j])sum+=a[i][j];}pq.emplace(sum);}while(!pq.empty()){if(rest<=0)break;int val=pq.top();pq.pop();res+=val;--rest;}if(rest<=0){chmin(ans,res);}}}cout<<ans<<"\n";}int main(){ios::sync_with_stdio(false);cin.tie(nullptr);cout << fixed << setprecision(15);solve();return 0;}