結果
問題 | No.1909 Detect from Substrings |
ユーザー | wudi ma |
提出日時 | 2022-04-24 01:53:01 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 945 ms / 2,000 ms |
コード長 | 4,071 bytes |
コンパイル時間 | 2,904 ms |
コンパイル使用メモリ | 199,056 KB |
実行使用メモリ | 39,792 KB |
最終ジャッジ日時 | 2024-06-25 11:05:21 |
合計ジャッジ時間 | 24,180 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 5 ms
11,392 KB |
testcase_01 | AC | 6 ms
11,264 KB |
testcase_02 | AC | 6 ms
11,264 KB |
testcase_03 | AC | 6 ms
11,392 KB |
testcase_04 | AC | 10 ms
11,520 KB |
testcase_05 | AC | 26 ms
12,288 KB |
testcase_06 | AC | 47 ms
13,440 KB |
testcase_07 | AC | 29 ms
13,312 KB |
testcase_08 | AC | 942 ms
39,152 KB |
testcase_09 | AC | 902 ms
39,540 KB |
testcase_10 | AC | 246 ms
23,512 KB |
testcase_11 | AC | 266 ms
23,336 KB |
testcase_12 | AC | 109 ms
17,752 KB |
testcase_13 | AC | 899 ms
39,660 KB |
testcase_14 | AC | 933 ms
39,540 KB |
testcase_15 | AC | 921 ms
39,536 KB |
testcase_16 | AC | 116 ms
17,880 KB |
testcase_17 | AC | 55 ms
13,184 KB |
testcase_18 | AC | 49 ms
13,312 KB |
testcase_19 | AC | 48 ms
13,312 KB |
testcase_20 | AC | 49 ms
13,312 KB |
testcase_21 | AC | 872 ms
39,792 KB |
testcase_22 | AC | 897 ms
39,152 KB |
testcase_23 | AC | 256 ms
23,508 KB |
testcase_24 | AC | 285 ms
23,388 KB |
testcase_25 | AC | 125 ms
17,756 KB |
testcase_26 | AC | 945 ms
39,540 KB |
testcase_27 | AC | 864 ms
39,148 KB |
testcase_28 | AC | 874 ms
39,664 KB |
testcase_29 | AC | 835 ms
39,664 KB |
testcase_30 | AC | 885 ms
39,152 KB |
testcase_31 | AC | 798 ms
39,664 KB |
testcase_32 | AC | 906 ms
39,688 KB |
testcase_33 | AC | 869 ms
39,536 KB |
testcase_34 | AC | 890 ms
39,024 KB |
testcase_35 | AC | 855 ms
39,024 KB |
testcase_36 | AC | 883 ms
39,024 KB |
testcase_37 | AC | 848 ms
39,152 KB |
testcase_38 | AC | 894 ms
39,024 KB |
コンパイルメッセージ
main.cpp: In function 'int main()': main.cpp:91:23: warning: 'pos1' may be used uninitialized [-Wmaybe-uninitialized] 91 | for(int i = 0 ; i < pos1 ; i ++ ){ | ~~^~~~~~ main.cpp:77:9: note: 'pos1' was declared here 77 | int pos1,pos2; | ^~~~
ソースコード
#pragma GCC optimize("O3") #include<bits/stdc++.h> using namespace std; const int N = 1e6 + 10; unsigned long long has[N],base[N]; unsigned long long get(int l,int r){ if(r < l)return 0; return has[r] - has[l-1] * base[r-l+1]; } unordered_map<unsigned long long,int>mp; int main(){ base[0] = 1; for(int i = 1 ; i < N ; i ++ )base[i] = base[i-1] * 131; int n,m;cin >> n >> m; vector<string>s(n); for(int i = 0 ; i < n ; i ++ ){ cin >> s[i]; } sort(s.begin(),s.end()); s.resize(unique(s.begin(),s.end())-s.begin()); if(s.size() == 1){ return cout << (m+1) * 26,0; } string ta = s[0] + s[1][s[1].size()-1]; for(int i = 1 ; i <= m+1 ; i ++ ){ has[i] = has[i-1] * 131 + ta[i-1]; } for(int i = 1 ; i <= m+1 ; i ++ ){ mp[get(1,i-1) * 131 + get(i+1,m+1)]; } bool ok = 0; // cout << get(2,m+1) << '\n'; mp[get(1,m)] = mp[get(2,m+1)] = 1; for(int i = 0 ; i < n ; i ++ ){ ok = 0; for(int j = 1 ; j <= m ; j ++ ){ has[j] = has[j-1] * 131 + s[i][j-1]; } // cout << get(1,2) << '\n'; for(int j = 1 ; j <= m ; j ++ ){ // cout << get(j,m) << '\n'; if(mp.count(get(1,j-1) * 131 + get(j,m))){ ok = 1; break; } } if(ok == 0)break; } if(ok){ string tb = s[1][0] + s[0]; mp.clear(); for(int i = 1 ; i <= m+1 ; i ++ ){ has[i] = has[i-1] * 131 + tb[i-1]; } for(int i = 1 ; i <= m+1 ; i ++ ){ mp[get(1,i-1) * 131 + get(i+1,m+1)]; } mp[get(1,m)] = mp[get(2,m+1)] = 1; for(int i = 0 ; i < n ; i ++ ){ ok = 0; for(int j = 1 ; j <= m ; j ++ ){ has[j] = has[j-1] * 131 + s[i][j-1]; } for(int j = 1 ; j <= m ; j ++ ){ if(mp.count(get(1,j-1) * 131 + get(j,m))){ ok = 1; break; } } if(ok == 0)break; } if(ok)return cout << 2,0; } int pos1,pos2; for(int i = 0 ; i < m ; i ++ ){ pos1 = i; if(s[0][i] != s[1][i])break; } for(int i = m-1 ; i > 0 ; i -- ){ pos2 = i; if(s[0][i] != s[1][i])break; } ok = 0; for(int i = pos1 ; i < pos2 ; i ++ ){ if(s[0][i] != s[1][i+1])ok = 1; } string x; for(int i = 0 ; i < pos1 ; i ++ ){ x += s[0][i]; } string y = x; // if(!ok){ x += s[1][pos1]; for(int i = pos1 ; i < s[0].size() ; i ++ )x += s[0][i]; // } // else{ y += s[0][pos1]; for(int i = pos1 ; i < s[1].size() ; i ++ )y += s[1][i]; // } mp.clear(); for(int i = 1 ; i <= m+1 ; i ++ ){ has[i] = has[i-1] * 131 + x[i-1]; } for(int i = 1 ; i <= m+1 ; i ++ ){ mp[get(1,i-1) * 131 + get(i+1,m+1)]; } ok = 0; mp[get(1,m)] = mp[get(2,m+1)] = 1; for(int i = 0 ; i < n ; i ++ ){ ok = 0; for(int j = 1 ; j <= m ; j ++ ){ has[j] = has[j-1] * 131 + s[i][j-1]; } for(int j = 1 ; j <= m ; j ++ ){ if(mp.count(get(1,j-1) * 131 + get(j,m))){ ok = 1; break; } } if(ok == 0)break; } int res = ok; ok = 0; x = y; // cout << x << '\n'; mp.clear(); for(int i = 1 ; i <= m+1 ; i ++ ){ has[i] = has[i-1] * 131 + x[i-1]; } for(int i = 1 ; i <= m+1 ; i ++ ){ mp[get(1,i-1) * 131 + get(i+1,m+1)]; } ok = 0; mp[get(1,m)] = mp[get(2,m+1)] = 1; for(int i = 0 ; i < n ; i ++ ){ ok = 0; for(int j = 1 ; j <= m ; j ++ ){ has[j] = has[j-1] * 131 + s[i][j-1]; } for(int j = 1 ; j <= m ; j ++ ){ if(mp.count(get(1,j-1) * 131 + get(j,m))){ ok = 1; break; } } if(ok == 0)break; } res += ok; cout << res << '\n'; }