結果

問題 No.1306 Exactly 2 Digits
ユーザー rniya
提出日時 2020-12-06 12:29:46
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 611 ms / 2,000 ms
コード長 5,220 bytes
コンパイル時間 2,578 ms
コンパイル使用メモリ 207,028 KB
最終ジャッジ日時 2025-01-16 18:21:55
ジャッジサーバーID
（参考情報） 		judge5 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 123
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:201:22: warning: ‘other’ may be used uninitialized [-Wmaybe-uninitialized]
  201 |             if (query(other,pos[i][0])==calc(ans[other],i)) ans[pos[i][0]]=i;
      |                 ~~~~~^~~~~~~~~~~~~~~~~
main.cpp:185:9: note: ‘other’ was declared here
  185 |     int other;
      |         ^~~~~

ソースコード

diff # 

#include <bits/stdc++.h>
using namespace std;
const long long MOD=1000000007;
// const long long MOD=998244353;
#define LOCAL
#pragma region Macros
typedef long long ll;
typedef __int128_t i128;
typedef unsigned int uint;
typedef unsigned long long ull;
#define ALL(x) (x).begin(),(x).end()
const int INF=1e9;
const long long IINF=1e18;
const int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1};
const char dir[4]={'D','R','U','L'};

template<typename T>
istream &operator>>(istream &is,vector<T> &v){
    for (T &x:v) is >> x;
    return is;
}
template<typename T>
ostream &operator<<(ostream &os,const vector<T> &v){
    for (int i=0;i<v.size();++i){
        os << v[i] << (i+1==v.size()?"": " ");
    }
    return os;
}
template<typename T,typename U>
ostream &operator<<(ostream &os,const pair<T,U> &p){
    os << '(' << p.first << ',' << p.second << ')';
    return os;
}
template<typename T,typename U,typename V>
ostream&operator<<(ostream &os,const tuple<T,U,V> &t){
    os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ')';
    return os;
}
template<typename T,typename U,typename V,typename W>
ostream&operator<<(ostream &os,const tuple<T,U,V,W> &t){
    os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ',' << get<3>(t) << ')';
    return os;
}
template<typename T,typename U>
ostream &operator<<(ostream &os,const map<T,U> &m){
    os << '{';
    for (auto itr=m.begin();itr!=m.end();){
        os << '(' << itr->first << ',' << itr->second << ')';
        if (++itr!=m.end()) os << ',';
    }
    os << '}';
    return os;
}
template<typename T,typename U>
ostream &operator<<(ostream &os,const unordered_map<T,U> &m){
    os << '{';
    for (auto itr=m.begin();itr!=m.end();){
        os << '(' << itr->first << ',' << itr->second << ')';
        if (++itr!=m.end()) os << ',';
    }
    os << '}';
    return os;
}
template<typename T>
ostream &operator<<(ostream &os,const set<T> &s){
    os << '{';
    for (auto itr=s.begin();itr!=s.end();){
        os << *itr;
        if (++itr!=s.end()) os << ',';
    }
    os << '}';
    return os;
}
template<typename T>
ostream &operator<<(ostream &os,const multiset<T> &s){
    os << '{';
    for (auto itr=s.begin();itr!=s.end();){
        os << *itr;
        if (++itr!=s.end()) os << ',';
    }
    os << '}';
    return os;
}
template<typename T>
ostream &operator<<(ostream &os,const unordered_set<T> &s){
    os << '{';
    for (auto itr=s.begin();itr!=s.end();){
        os << *itr;
        if (++itr!=s.end()) os << ',';
    }
    os << '}';
    return os;
}
template<typename T>
ostream &operator<<(ostream &os,const deque<T> &v){
    for (int i=0;i<v.size();++i){
        os << v[i] << (i+1==v.size()?"": " ");
    }
    return os;
}

void debug_out(){cerr << '\n';}
template<class Head,class... Tail>
void debug_out(Head&& head,Tail&&... tail){
    cerr << head;
    if (sizeof...(Tail)>0) cerr << ", ";
    debug_out(move(tail)...);
}
#ifdef LOCAL
#define debug(...) cerr << " ";\
cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n';\
cerr << " ";\
debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

template<typename T> T gcd(T x,T y){return y!=0?gcd(y,x%y):x;}
template<typename T> T lcm(T x,T y){return x/gcd(x,y)*y;}

template<class T1,class T2> inline bool chmin(T1 &a,T2 b){
    if (a>b){a=b; return true;} return false;
}
template<class T1,class T2> inline bool chmax(T1 &a,T2 b){
    if (a<b){a=b; return true;} return false;
}
#pragma endregion

int N;

pair<int,int> query(int i,int j){
    cout << "? " << i+1 << ' ' << j+1 << endl;
    int p,q; cin >> p >> q;
    return {p,q};
}

void answer(vector<int> v){
    cout << '!';
    for (int i=0;i<v.size();++i) cout << ' ' << v[i];
    cout << endl;
}

pair<int,int> calc(int i,int j){
    int p=i/N-j/N,q=i%N-j%N;
    if (p>q) swap(p,q);
    return {p,q};
}

vector<pair<int,int>> gen(int x){
    vector<pair<int,int>> res;
    for (int i=N;i<N*N;++i){
        res.emplace_back(calc(x,i));
    }
    sort(res.begin(),res.end());
    return res;
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> N;
    int n=N*N-N;
    vector<int> ans(n,-1);
    vector<pair<int,int>> ret;
    ret.emplace_back(0,0);
    for (int i=1;i<n;++i) ret.emplace_back(query(0,i));

    vector<pair<int,int>> sorted(ret);
    sort(sorted.begin(),sorted.end());
    for (int i=N;i<N*N;++i){
        if (sorted==gen(i)){
            ans[0]=i;
        }
    }

    vector<vector<int>> pos(N*N);
    for (int i=1;i<n;++i){
        for (int j=N;j<N*N;++j){
            if (calc(ans[0],j)==ret[i]){
                pos[j].emplace_back(i);
            }
        }
    }

    int other;
    for (int i=0;i<N*N;++i){
        if (pos[i].size()==1){
            ans[pos[i][0]]=i;
            auto p=calc(ans[0],i);
            if (p.first!=p.second) other=pos[i][0];
        }
    }

    for (int i=0;i<N*N;++i){
        if (pos[i].size()<2) continue;
        if (~ans[pos[i][0]]){
            ans[pos[i][1]]=i;
        } else if (~ans[pos[i][1]]){
            ans[pos[i][0]]=i;
        } else {
            if (query(other,pos[i][0])==calc(ans[other],i)) ans[pos[i][0]]=i;
            else ans[pos[i][1]]=i;
        }
    }

    answer(ans);
}
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