记录编号 |
162028 |
评测结果 |
AAAAAAAAAA |
题目名称 |
[HAOI 2015]数组游戏 |
最终得分 |
100 |
用户昵称 |
Asm.Def |
是否通过 |
通过 |
代码语言 |
C++ |
运行时间 |
1.172 s |
提交时间 |
2015-05-13 12:22:07 |
内存使用 |
24.23 MiB |
显示代码纯文本
/*****************************************************************************/
/******************************Designed By Asm.Def****************************/
/*****************************************************************************/
#include <cstring>
#include <cstdio>
#include <algorithm>
#include <cstdlib>
#include <cctype>
#include <ctime>
#define SetFile(x) (freopen(#x".in", "r", stdin), freopen(#x".out", "w", stdout) )
//#define FREAD
#define FREADLENTH 5000000
#ifdef FREAD
char *fread_ptr = (char*)malloc(FREADLENTH);
#define getc() (*(fread_ptr++))
#else
#define getc() getchar()
#endif
using namespace std;
template<class T>inline void getd(T &x){
int ch = getc();bool neg = false;
while(!isdigit(ch) && ch != '-')ch = getc();
if(ch == '-')neg = true, ch = getc();
x = ch - '0';
while(isdigit(ch = getc()))x = x * 10 - '0' + ch;
if(neg)x = -x;
}
/*******************************************************************************/
const int maxn = 64000, P = 2000003;
int N, val[maxn], vcnt, vt[maxn], checklist[maxn];
bool check[maxn];
int SG[maxn];
#include <vector>
vector<int> Hash[P];
typedef vector<int>::iterator iterator;
inline int find(const int *L, size_t len, int x){
const int *R = L + len - 1, *mid;
while(L <= R){
mid = L + (R-L) / 2;
if(val[*mid] > x)L = mid + 1;
else R = mid - 1;
}
return *L;
}
inline int ind(int x){
vector<int> &v = Hash[x % P];
return find(&v[0], v.size(), x);
}
inline void init(){
getd(N);
int i, j, t, s, vtcnt, c, tmp;
int ccnt;//回滚check数组
for(i = 1;i * i <= N;++i)val[vcnt++] = i;
for(j = N / i;j;--j)val[vcnt++] = N / j;
for(i = 0;i < vcnt;++i){
t = val[i];s = ccnt = vtcnt = 0;
for(j = 1;j * j <= t;++j)vt[vtcnt++] = j;
for(j = t / j;j;--j)vt[vtcnt++] = t / j;//vt:乘k之后能出现的长度
for(j = vtcnt-2;j >= 0;--j){
//printf("ind(%d) = %d\n", vt[j], ind(vt[j]));
tmp = SG[ind(vt[j])];
c = t / vt[j] - t / (vt[j] + 1);//出现次数
check[checklist[ccnt++] = s ^ tmp] = true;
if(c & 1)s ^= tmp;
}
j = 1;while(check[j])++j;
SG[i] = j;
Hash[t % P].push_back(i);
for(j = 0;j < ccnt;++j)check[checklist[j]] = false;
}
}
inline void work(){
int K, qcnt, sum, t;
getd(K);while(K--){
getd(qcnt);
sum = 0;
while(qcnt--){
getd(t);
sum ^= SG[ind(N / t)];
}
if(sum)puts("Yes");
else puts("No");
}
}
int main(){
#ifdef DEBUG
freopen("test.txt", "r", stdin);
#else
SetFile(haoi2015_t3);
#endif
#ifdef FREAD
fread(fread_ptr, 1, FREADLENTH, stdin);
#endif
init();
work();
#ifdef DEBUG
printf("\n%.3lf sec\n", (double)clock() / CLOCKS_PER_SEC);
#endif
return 0;
}