#606080 (C++14) No.1384 Bishop and Rook

• 問題: No.1384 Bishop and Rook
• ユーザー: 蜜蜂
• 提出日時: 2021-01-16 20:59:46
• 言語: C++14 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 1,297 ms / 2,000 ms
• コード長: 1,813 bytes
• コンパイル時間: 1,600 ms
• コンパイル使用メモリ: 169,648 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-07-03 23:24:33
• 合計ジャッジ時間: 17,029 ms
• ジャッジサーバーID （参考情報）: judge4 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1 ms; 5,248 KB
testcase_01	AC	757 ms; 5,376 KB
testcase_02	AC	353 ms; 5,376 KB
testcase_03	AC	129 ms; 5,376 KB
testcase_04	AC	184 ms; 5,376 KB
testcase_05	AC	492 ms; 5,376 KB
testcase_06	AC	677 ms; 5,376 KB
testcase_07	AC	794 ms; 5,376 KB
testcase_08	AC	603 ms; 5,376 KB
testcase_09	AC	15 ms; 5,376 KB
testcase_10	AC	417 ms; 5,376 KB
testcase_11	AC	11 ms; 5,376 KB
testcase_12	AC	19 ms; 5,376 KB
testcase_13	AC	12 ms; 5,376 KB
testcase_14	AC	1,061 ms; 5,376 KB
testcase_15	AC	13 ms; 5,376 KB
testcase_16	AC	1,233 ms; 5,376 KB
testcase_17	AC	11 ms; 5,376 KB
testcase_18	AC	22 ms; 5,376 KB
testcase_19	AC	980 ms; 5,376 KB
testcase_20	AC	11 ms; 5,376 KB
testcase_21	AC	33 ms; 5,376 KB
testcase_22	AC	34 ms; 5,376 KB
testcase_23	AC	26 ms; 5,376 KB
testcase_24	AC	33 ms; 5,376 KB
testcase_25	AC	33 ms; 5,376 KB
testcase_26	AC	31 ms; 5,376 KB
testcase_27	AC	30 ms; 5,376 KB
testcase_28	AC	29 ms; 5,376 KB
testcase_29	AC	34 ms; 5,376 KB
testcase_30	AC	30 ms; 5,376 KB
testcase_31	AC	21 ms; 5,376 KB
testcase_32	AC	26 ms; 5,376 KB
testcase_33	AC	26 ms; 5,376 KB
testcase_34	AC	24 ms; 5,376 KB
testcase_35	AC	26 ms; 5,376 KB
testcase_36	AC	20 ms; 5,376 KB
testcase_37	AC	19 ms; 5,376 KB
testcase_38	AC	19 ms; 5,376 KB
testcase_39	AC	19 ms; 5,376 KB
testcase_40	AC	22 ms; 5,376 KB
testcase_41	AC	139 ms; 5,376 KB
testcase_42	AC	122 ms; 5,376 KB
testcase_43	AC	142 ms; 5,376 KB
testcase_44	AC	165 ms; 5,376 KB
testcase_45	AC	180 ms; 5,376 KB
testcase_46	AC	140 ms; 5,376 KB
testcase_47	AC	142 ms; 5,376 KB
testcase_48	AC	134 ms; 5,376 KB
testcase_49	AC	80 ms; 5,376 KB
testcase_50	AC	80 ms; 5,376 KB
testcase_51	AC	4 ms; 5,376 KB
testcase_52	AC	1,297 ms; 5,376 KB
testcase_53	AC	525 ms; 5,376 KB
testcase_54	AC	5 ms; 5,376 KB
testcase_55	AC	3 ms; 5,376 KB

ソースコード

#include <bits/stdc++.h>
using namespace std;

using ll = long long;
#define fi first
#define se second
#define pb push_back

int main(){
  int t;
  cin>>t;
  while(t--){
    int n,m;
    cin>>n>>m;  
    if(n==1&&m==1){
      cout<<"0"<<endl;
      cout<<"1 1"<<endl;
    }
    else if(n%2==0&&m%2==0){
      cout<<n*m-1<<endl;
      int nowi=1,nowj=1;
      for(int i=0;i<(n*m)/4;i++){
        if(nowi%2==1){
          if(nowj!=m/2){
            cout<<nowi*2-1<<" "<<nowj*2-1<<endl;
            cout<<nowi*2<<" "<<nowj*2<<endl;
            cout<<nowi*2<<" "<<nowj*2-1<<endl;
            cout<<nowi*2-1<<" "<<nowj*2<<endl;
            nowj+=1;
          }
          else{
            cout<<nowi*2-1<<" "<<nowj*2-1<<endl;
            cout<<nowi*2<<" "<<nowj*2<<endl;
            cout<<nowi*2-1<<" "<<nowj*2<<endl;
            cout<<nowi*2<<" "<<nowj*2-1<<endl;
            nowi+=1;
          }
        }
        else{
          if(nowj==m/2){
            cout<<nowi*2-1<<" "<<nowj*2-1<<endl;
            cout<<nowi*2<<" "<<nowj*2<<endl;
            cout<<nowi*2-1<<" "<<nowj*2<<endl;
            cout<<nowi*2<<" "<<nowj*2-1<<endl;
            if(nowj==1){
              nowi+=1;
            }
            else{
              nowj-=1;
            }
          }
          else if(nowj!=1){
            cout<<nowi*2<<" "<<nowj*2<<endl;
            cout<<nowi*2-1<<" "<<nowj*2-1<<endl;
            cout<<nowi*2-1<<" "<<nowj*2<<endl;
            cout<<nowi*2<<" "<<nowj*2-1<<endl;
            nowj-=1;
          }
          else{
            cout<<nowi*2<<" "<<nowj*2<<endl;
            cout<<nowi*2-1<<" "<<nowj*2-1<<endl;
            cout<<nowi*2-1<<" "<<nowj*2<<endl;
            cout<<nowi*2<<" "<<nowj*2-1<<endl;
            nowi+=1;
          }
        }
      }
    }
    else{
      cout<<-1<<endl;
    }
  }
}