結果
問題 | No.2519 Coins in Array |
ユーザー |
|
提出日時 | 2023-10-28 00:15:46 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,146 bytes |
コンパイル時間 | 3,814 ms |
コンパイル使用メモリ | 263,376 KB |
最終ジャッジ日時 | 2025-02-17 16:21:23 |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 36 WA * 1 |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> #define SELECTER(_1,_2,_3,SELECT,...) SELECT #define rep1(i,n) for(int i=0;i<(int)n;++i) #define rep2(i,a,n) for(int i=(int)a;i<(int)n;++i) #define rep(...) SELECTER(__VA_ARGS__,rep2,rep1)(__VA_ARGS__) #define RSELECTER(_1, _2, _3, RSELECT, ...) RSELECT #define rrep1(i,n) for(int i=(int)n-1;i>=0;--i) #define rrep2(i,a,n) for(int i=(int)n-1;i>=(int)a;--i) #define rrep(...) RSELECTER(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fi first #define se second #define PrintR LogOutput #ifdef _DEBUG #define Log(...) LogOutput(__VA_ARGS__) #else #define Log(...) #endif using namespace std; using namespace atcoder; using ll=long long; using ld=long double; using pii=pair<int,int>; using pll=pair<long long,long long>; using pdd=pair<long double,long double>; using tp=tuple<int,int,int>; using tpll=tuple<ll,ll,ll>; using veci=vector<int>; using vecpii=vector<pair<int,int>>; using vecll=vector<long long>; using vecpll=vector<pair<long long,long long>>; using vecpdd=vector<pair<long double,long double>>; using vecs=vector<string>; using vecb=vector<bool>; using vecd=vector<long double>; using vectp=vector<tp>; using vectpll=vector<tpll>; using mint=modint998244353; using mint10=modint1000000007; template<typename T, typename S> istream& operator>>(istream& in, pair<T, S>& a){return in >> a.first >> a.second;} template<typename T, typename S> ostream& operator<<(ostream& out, const pair<T, S>& a){return out << a.first << ' ' << a.second;} ostream& operator<<(ostream& out, const mint& a){return out << a.val();} ostream& operator<<(ostream& out, const mint10& a){return out << a.val();} ostream& operator<<(ostream& out, const modint& a){return out << a.val();} template<typename T> ostream& operator<<(ostream& out, const vector<T>& d){for(int i = 0 ; i < d.size() ; ++i) out << d[i] << (i == d.size() - 1 ? "" : " "); return out;} template<typename T, typename S> pair<T, S> operator+(const pair<T, S>& a, const pair<T, S>& b){return {a.fi + b.fi, a.se + b.se};} template<typename T, typename S> pair<T, S> operator-(const pair<T, S>& a, const pair<T, S>& b){return {a.fi - b.fi, a.se - b.se};} template<class T> inline bool chmax(T& a,T b){if(a<b) {a=b;return true;} return false;} template<class T> inline bool chmin(T& a,T b){if(a>b) {a=b;return true;} return false;} bool Judge(int i, int j, int h, int w){return i < 0 || j < 0 || i >= h || j >= w;} constexpr ll INF=numeric_limits<ll>::max() / 4; constexpr ll MOD=998244353; const int vi[] = {0, 1, 0, -1}, vj[] = {1, 0, -1, 0}; template<typename... Args> void LogOutput(Args&&... args){ stringstream ss; ((ss << args << ' '), ...); cout << ss.str().substr(0, ss.str().length() - 1) << endl; } template<typename T> void LogOutput(vector<vector<T>>& data){for(auto d : data) LogOutput(d);} int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int n;cin>>n; vecll a(n); rep(i, n) cin>>a[i]; if(n == 2){ if(gcd(a[0], a[1]) == 1) cout<<a[0] * a[1] - a[0] - a[1] + 1<<endl; else cout<<0<<endl; PrintR(1, 2); return 0; } veci b; rep(i, n) if(a[i] % 2 == 0){ b.push_back(i + 1); if(b.size() == 2) break; } int r; if(b.size() == 2){ cout<<0<<endl; PrintR(b[0], b[1]); r = a.size() - 1; }else{ if(n == 3){ if(b.size()){ cout<<0<<endl; veci c; rep(i, n) if(b[0] != i + 1) c.push_back(i + 1); PrintR(c[0], c[1]); PrintR(1, 2); return 0; }else{ vecpll c(n); rep(i, n) c[i] = {a[i], i}; sort(all(c)); ll u = c[0].fi * c[1].fi - c[0].fi - c[1].fi + 1; cout<<u * c[2].fi - u - c[2].fi + 1<<endl; PrintR(c[0].se + 1, c[1].se + 1); PrintR(1, 2); return 0; } }else{ cout<<0<<endl; if(b.size()){ veci c; rep(i, n) if(b[0] - 1 != i) c.push_back(i + 1); PrintR(c[0], c[1]); int v = b[0]; if(c[0] < b[0]) v--; if(c[1] < b[0]) v--; PrintR(v, a.size() - 1); r = a.size() - 2; }else{ PrintR(1, 2); PrintR(1, 2); PrintR(a.size() - 3, a.size() - 2); r = a.size() - 3; } } } rrep(i, 2, r + 1) PrintR(1, i); }