結果
問題 | No.1384 Bishop and Rook |
ユーザー | carrot46 |
提出日時 | 2021-02-07 22:30:41 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,404 bytes |
コンパイル時間 | 1,518 ms |
コンパイル使用メモリ | 175,180 KB |
実行使用メモリ | 18,816 KB |
最終ジャッジ日時 | 2024-07-04 16:18:44 |
合計ジャッジ時間 | 22,540 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
(要ログイン)
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
5,248 KB |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | AC | 5 ms
5,376 KB |
testcase_55 | WA | - |
ソースコード
#include <bits/stdc++.h> //#include <chrono> //#pragma GCC optimize("Ofast") using namespace std; #define reps(i,s,n) for(int i = s; i < n; i++) #define rep(i,n) reps(i,0,n) #define Rreps(i,n,e) for(int i = n - 1; i >= e; --i) #define Rrep(i,n) Rreps(i,n,0) #define ALL(a) a.begin(), a.end() using ll = long long; using vec = vector<ll>; using mat = vector<vec>; ll N,M,H,W,Q,K,A,B; string S; using P = pair<ll, ll>; const ll INF = (1LL<<60); template<class T> bool chmin(T &a, const T b){ if(a > b) {a = b; return true;} else return false; } template<class T> bool chmax(T &a, const T b){ if(a < b) {a = b; return true;} else return false; } template<class T> void my_printv(std::vector<T> v,bool endline = true){ if(!v.empty()){ for(std::size_t i{}; i<v.size()-1; ++i) std::cout<<v[i]<<" "; std::cout<<v.back(); } if(endline) std::cout<<std::endl; } void solve(){ if(N == 1 && M == 1){ cout<<"0\n1 1"<<endl; }else if(N == 1 || M == 1){ cout<<"-1"<<endl; }else if(N == 2 || M == 2){ bool sp = M == 2; if(sp) swap(N, M); if(M&1){ cout<<-1<<endl; }else { vec x(N * M), y(N * M); rep(j, N * M / 4){ int l = j * 2, i = j * 4; x[i] = l + 1; y[i] = 1; x[i+1] = l + 2; y[i+1] = 2; x[i+2] = l + 1; y[i+2] = 2; x[i+3] = l + 2; y[i+3] = 1; } if(sp) swap(x, y); cout<<N * M - 1<<endl; rep(i, N * M) cout<<y[i]<<' '<<x[i]<<endl; } }else if(N == 4 || M == 4){ bool sp = M == 4; if(sp) swap(N, M); if(M&1){ cout<<-1<<endl; }else { vec x(N * M), y(N * M); rep(j, M / 2){ int l = j * 2, i = j * 4; x[i] = l + 1; y[i] = 3; x[i+1] = l + 2; y[i+1] = 4; x[i+2] = l + 1; y[i+2] = 4; x[i+3] = l + 2; y[i+3] = 3; } reps(i, M * 2, M * 4) { x[i] = M + 1 - x[i - M * 2]; y[i] = 5 - y[i - M * 2]; } if(sp) swap(x, y); cout<<N * M - 1<<endl; rep(i, N * M) cout<<y[i]<<' '<<x[i]<<endl; } }else if(N%2 == 0 && M%2 == 0){ cout<<N * M - 1<<endl; vec x(N * M), y(N * M); x[0] = 2; y[0] = 1; x[1] = 1; y[1] = 2; x[2] = 1; y[2] = 1; x[3] = 2; y[3] = 2; reps(h, 1, N / 2){ int u = h * 2, i = h * 4; x[i] = u + 1; y[i] = 2; x[i+1] = u + 2; y[i+1] = 1; x[i+2] = u + 1; y[i+2] = 1; x[i+3] = u + 2; y[i+3] = 2; } reps(l, 1, M / 2){ int i = l * N * 2; if(l&1){ reps(j, i, i + N * 2) { x[j] = x[i + N * 2 - 1 - j]; y[j] = l * 4 + 1 - y[i + N * 2 - 1 - j]; } }else{ reps(j, i, i + N * 2) { x[j] = x[j - i]; y[j] = y[j - i]; } } } rep(i, N * M) cout<<x[i]<<' '<<y[i]<<endl; }else{ cout<<-1<<endl; } } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); cin>>Q; rep(_, Q) { cin>>N>>M; solve(); } }