結果
問題 | No.2519 Coins in Array |
ユーザー | karinohito |
提出日時 | 2023-10-27 22:53:19 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 294 ms / 2,000 ms |
コード長 | 3,801 bytes |
コンパイル時間 | 4,811 ms |
コンパイル使用メモリ | 270,772 KB |
実行使用メモリ | 7,044 KB |
最終ジャッジ日時 | 2024-09-25 14:55:00 |
合計ジャッジ時間 | 11,198 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,944 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 286 ms
6,940 KB |
testcase_24 | AC | 289 ms
7,044 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 292 ms
6,940 KB |
testcase_28 | AC | 288 ms
6,940 KB |
testcase_29 | AC | 294 ms
6,944 KB |
testcase_30 | AC | 264 ms
6,940 KB |
testcase_31 | AC | 47 ms
6,944 KB |
testcase_32 | AC | 146 ms
6,940 KB |
testcase_33 | AC | 203 ms
6,940 KB |
testcase_34 | AC | 97 ms
6,940 KB |
testcase_35 | AC | 184 ms
6,944 KB |
testcase_36 | AC | 77 ms
6,944 KB |
testcase_37 | AC | 36 ms
6,940 KB |
testcase_38 | AC | 153 ms
6,940 KB |
testcase_39 | AC | 90 ms
6,940 KB |
testcase_40 | AC | 288 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #include <atcoder/all> #include <time.h> using namespace atcoder; using ll = long long; using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>; using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>; #define all(A) A.begin(),A.end() #define rep(i, n) for (ll i = 0; i < (ll) (n); i++) template<class T> bool chmax(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p < q) { p = q; return 1; } else { return 0; } } template<class T> bool chmin(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p > q) { p = q; return 1; } else { return 0; } } ll modPow(long long a, long long n, long long p) { if (n == 0) return 1; // 0乗にも対応する場合 if (n == 1) return a % p; if (n % 2 == 1) return (a * modPow(a, n - 1, p)) % p; long long t = modPow(a, n / 2, p); return (t * t) % p; } ll cnt = 0; ll gcd(ll(a), ll(b)) { cnt++; if (a == 0)return b; if (b == 0)return a; ll c = a; while (a % b != 0) { c = a % b; a = b; b = c; } return b; } ll sqrtz(ll N) { ll L = 0; ll R = sqrt(N) + 10000; while (abs(R - L) > 1) { ll mid = (R + L) / 2; if (mid * mid <= N)L = mid; else R = mid; } return L; } ll nzkon(ll N, ll K) {// return 0; } using mint = modint998244353; using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; vector<mint> fact, factinv, inv; const ll mod = 998244353; void prenCkModp(ll n) { fact.resize(n + 5); factinv.resize(n + 5); inv.resize(n + 5); fact[0] = fact[1] = 1; factinv[0] = factinv[1] = 1; inv[1] = 1; for (ll i = 2; i < n + 5; i++) { fact[i] = (fact[i - 1] * i); inv[i] = (mod - ((inv[mod % i] * (mod / i)))); factinv[i] = (factinv[i - 1] * inv[i]); } } mint nCk(ll n, ll k) { if (n < k || k < 0) return 0; return (fact[n] * ((factinv[k] * factinv[n - k]))); } bool DEB = 0; vvm mul(vvm A, vvm B) { ll n = A.size(); vvm res(n, vm(n, 0)); rep(i, n)rep(j, n)rep(k, n)res[i][j] += A[i][k] * B[k][j]; return res; } ll calc(ll a,ll b){ ll g=gcd(a,b); if(g==1)return (a-1)*(b-1); else return 0; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); ll N; cin>>N; vll A(N); vll E,OD; rep(i,N){ cin>>A[i]; if(A[i]%2==0)E.push_back(i); else OD.push_back(i); } if(N==2){ ll res=calc(A[0],A[1]); cout<<res<<endl<<"1 2"<<endl; return 0; } if(N==3){ ll m=1e18; ll x=0; rep(i,3){ if(chmin(m,calc(A[i],calc(A[(i+1)%3],A[(i+2)%3])))){ x=i; } } cout<<m<<endl; if(x==0){ cout<<"2 3"<<endl; cout<<"1 2"<<endl; } else if(x==1){ cout<<"1 3"<<endl; cout<<"1 2"<<endl; } else{ cout<<"1 2"<<endl; cout<<"1 2"<<endl; } return 0; } cout<<0<<endl; if(E.size()>1){ ll a=E[0],b=E[1]; N-=2; cout<<a+1<<" "<<b+1<<endl; } else if(OD.size()>=2&&E.size()>0){ ll a=OD[0],b=OD[1]; ll e=E[0]; N-=3; cout<<a+1<<" "<<b+1<<endl; if(a<e)e--; if(b<e)e--; cout<<e+1<<" "<<N+2<<endl; } else{ ll a=OD[0],b=OD[1],c=OD[2],d=OD[3]; N-=4; cout<<c+1<<" "<<d+1<<endl; cout<<a+1<<" "<<b+1<<endl; cout<<N+1<<" "<<N+2<<endl; } for(ll i=N-1;i>=0;i--){ cout<<i+1<<" "<<i+2<<endl; } }