結果
問題 | No.1256 連続整数列 |
ユーザー |
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提出日時 | 2020-10-16 21:57:46 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 2,907 bytes |
コンパイル時間 | 2,235 ms |
コンパイル使用メモリ | 215,612 KB |
最終ジャッジ日時 | 2025-01-15 08:24:34 |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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ファイルパターン | 結果 |
---|---|
other | AC * 22 WA * 4 |
ソースコード
#pragma GCC optimize ("Ofast")#include<bits/stdc++.h>using namespace std;void*wmem;char memarr[96000000];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);}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;}}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(const char c[]){int i=0;for(i=0;c[i]!='\0';i++){my_putchar_unlocked(c[i]);}}template<class T> int Factor_L(T N, T fac[], int fs[]){T i;int sz = 0;if(N%2==0){fac[sz] = 2;fs[sz] = 1;N /= 2;while(N%2==0){N /= 2;fs[sz]++;}sz++;}for(i=3;i*i<=N;i+=2){if(N%i==0){fac[sz] = i;fs[sz] = 1;N /= i;while(N%i==0){N /= i;fs[sz]++;}sz++;}}if(N > 1){fac[sz] = N;fs[sz] = 1;sz++;}return sz;}template<class T> int Divisor_L(T N, T res[], void *mem = wmem){int i;int j;int k;int s;int sz = 0;T*fc;int*fs;int fsz;walloc1d(&fc, 100, &mem);walloc1d(&fs, 100, &mem);fsz =Factor_L(N, fc, fs);res[sz++] = 1;for(i=(0);i<(fsz);i++){s = sz;k = s * fs[i];for(j=(0);j<(k);j++){res[sz++] = res[j] * fc[i];}}sort(res, res+sz);return sz;}int ds;int d[100000];int main(){int i;wmem = memarr;int A;rd(A);ds =Divisor_L(2*A, d);for(i=(0);i<(ds);i++){if(d[i] > 2 && A/d[i] > 2){wt_L("YES");wt_L('\n');return 0;}}wt_L("NO");wt_L('\n');return 0;}// cLay varsion 20201003-1// --- original code ---// int ds, d[1d5];// {// int @A;// ds = Divisor(2*A, d);// rep(i,ds) if(d[i] > 2 && A/d[i] > 2) wt("YES"), return 0;// wt("NO");// }