結果
問題 | No.1470 Mex Sum |
ユーザー | LayCurse |
提出日時 | 2021-04-09 21:53:59 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 6 ms / 2,000 ms |
コード長 | 3,928 bytes |
コンパイル時間 | 2,634 ms |
コンパイル使用メモリ | 212,812 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-25 05:11:38 |
合計ジャッジ時間 | 4,238 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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
6,820 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 3 ms
6,944 KB |
testcase_11 | AC | 3 ms
6,944 KB |
testcase_12 | AC | 5 ms
6,940 KB |
testcase_13 | AC | 5 ms
6,940 KB |
testcase_14 | AC | 4 ms
6,944 KB |
testcase_15 | AC | 5 ms
6,944 KB |
testcase_16 | AC | 5 ms
6,940 KB |
testcase_17 | AC | 5 ms
6,944 KB |
testcase_18 | AC | 5 ms
6,940 KB |
testcase_19 | AC | 5 ms
6,948 KB |
testcase_20 | AC | 5 ms
6,944 KB |
testcase_21 | AC | 5 ms
6,940 KB |
testcase_22 | AC | 4 ms
6,940 KB |
testcase_23 | AC | 6 ms
6,940 KB |
testcase_24 | AC | 4 ms
6,944 KB |
testcase_25 | AC | 5 ms
6,940 KB |
testcase_26 | AC | 5 ms
6,940 KB |
testcase_27 | AC | 5 ms
6,940 KB |
testcase_28 | AC | 5 ms
6,940 KB |
testcase_29 | AC | 5 ms
6,940 KB |
testcase_30 | AC | 5 ms
6,944 KB |
testcase_31 | AC | 5 ms
6,940 KB |
testcase_32 | AC | 5 ms
6,940 KB |
testcase_33 | AC | 4 ms
6,940 KB |
testcase_34 | AC | 5 ms
6,940 KB |
testcase_35 | AC | 4 ms
6,940 KB |
testcase_36 | AC | 5 ms
6,940 KB |
testcase_37 | AC | 3 ms
6,940 KB |
testcase_38 | AC | 3 ms
6,940 KB |
testcase_39 | AC | 3 ms
6,940 KB |
testcase_40 | AC | 3 ms
6,944 KB |
testcase_41 | AC | 3 ms
6,940 KB |
testcase_42 | AC | 4 ms
6,944 KB |
testcase_43 | AC | 3 ms
6,940 KB |
testcase_44 | AC | 4 ms
6,944 KB |
testcase_45 | AC | 3 ms
6,944 KB |
testcase_46 | AC | 4 ms
6,944 KB |
testcase_47 | AC | 3 ms
6,940 KB |
testcase_48 | AC | 4 ms
6,940 KB |
testcase_49 | AC | 3 ms
6,944 KB |
testcase_50 | AC | 4 ms
6,940 KB |
ソースコード
#pragma GCC optimize ("Ofast") #include<bits/stdc++.h> using namespace std; template<class T> struct cLtraits_identity{ using type = T; } ; template<class T> using cLtraits_try_make_signed = typename conditional< is_integral<T>::value, make_signed<T>, cLtraits_identity<T> >::type; template <class S, class T> struct cLtraits_common_type{ using tS = typename cLtraits_try_make_signed<S>::type; using tT = typename cLtraits_try_make_signed<T>::type; using type = typename common_type<tS,tT>::type; } ; void*wmem; char memarr[96000000]; template<class S, class T> inline auto min_L(S a, T b) -> typename cLtraits_common_type<S,T>::type{ return (typename cLtraits_common_type<S,T>::type) a <= (typename cLtraits_common_type<S,T>::type) b ? a : b; } template<class T> inline void walloc1d(T **arr, int x, void **mem = &wmem){ static int skip[16] = {0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1}; (*mem) = (void*)( ((char*)(*mem)) + skip[((unsigned long long)(*mem)) & 15] ); (*arr)=(T*)(*mem); (*mem)=((*arr)+x); } template<class T> inline void walloc1d(T **arr, int x1, int x2, void **mem = &wmem){ walloc1d(arr, x2-x1, mem); (*arr) -= x1; } inline int my_getchar_unlocked(){ static char buf[1048576]; static int s = 1048576; static int e = 1048576; if(s == e && e == 1048576){ e = fread_unlocked(buf, 1, 1048576, stdin); s = 0; } if(s == e){ return EOF; } return buf[s++]; } inline void rd(int &x){ int k; int m=0; x=0; for(;;){ k = my_getchar_unlocked(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = my_getchar_unlocked(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } inline int rd_int(void){ int x; rd(x); return x; } struct MY_WRITER{ char buf[1048576]; int s; int e; MY_WRITER(){ s = 0; e = 1048576; } ~MY_WRITER(){ if(s){ fwrite_unlocked(buf, 1, s, stdout); } } } ; MY_WRITER MY_WRITER_VAR; void my_putchar_unlocked(int a){ if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){ fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout); MY_WRITER_VAR.s = 0; } MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a; } inline void wt_L(char a){ my_putchar_unlocked(a); } inline void wt_L(long long x){ int s=0; int m=0; char f[20]; if(x<0){ m=1; x=-x; } while(x){ f[s++]=x%10; x/=10; } if(!s){ f[s++]=0; } if(m){ my_putchar_unlocked('-'); } while(s--){ my_putchar_unlocked(f[s]+'0'); } } template<class T> int Mex_L(int n, T a[], int sorted = 0, void *mem = &wmem){ int i; int k = 0; if(sorted==0){ T*arr; walloc1d(&arr, n, mem); for(i=(0);i<(n);i++){ arr[i] = a[i]; } sort(arr, arr+n); for(i=(0);i<(n);i++){ if(arr[i]==k){ k++; } } } else{ for(i=(0);i<(n);i++){ if(a[i]==k){ k++; } } } return k; } template<class T> inline int Mex_L(T x){ int k = 0; while(k==x){ k++; } return k; } template<class T1, class T2> inline int Mex_L(T1 x, T2 y){ int k = 0; while(k==x || k==y){ k++; } return k; } long long cnt[4]; long long res; int main(){ int Lj4PdHRW, i; wmem = memarr; int KL2GvlyY = rd_int(); for(Lj4PdHRW=(0);Lj4PdHRW<(KL2GvlyY);Lj4PdHRW++){ cnt[min_L(rd_int()-1, 3)]++; } for(i=(0);i<(4);i++){ res += cnt[i] * (cnt[i]-1) / 2 * (Mex_L(i)+ 1); } for(i=(0);i<(4);i++){ int j; for(j=(i+1);j<(4);j++){ res += cnt[i] * cnt[j] * (Mex_L(i, j)+ 1); } } wt_L(res); wt_L('\n'); return 0; } // cLay version 20210405-1 // --- original code --- // ll cnt[4], res; // { // REP(rd_int()) cnt[min(rd_int()-1,3)]++; // rep(i,4) res += cnt[i] * (cnt[i]-1) / 2 * (Mex(i) + 1); // rep(i,4) rep(j,i+1,4) res += cnt[i] * cnt[j] * (Mex(i, j) + 1); // wt(res); // }