SG搜索
n的范围在可以接受的范围内,SG搜索即可
#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
using namespace std;
const int MAXN = 1000005;
int init() {
int rv = 0 , fh = 1;
char c = getchar();
while(c < '0' || c > '9') {
if(c == '-') fh = -1;
c = getchar();
}
while(c >= '0' && c <= '9') {
rv = (rv<<1) + (rv<<3) + c - '0';
c = getchar();
}
return fh * rv;
}
int SG[MAXN], T, n;
int SG_search(int cur) {
if(SG[cur] != -1) return SG[cur];
int t = cur, ma = 0, mi = 9;
while(t) {
int k = t % 10;
if(k){
mi = min(mi, k);
ma = max(ma, k);
}
t /= 10;
}
int r1 = SG_search(cur - ma), r2 = SG_search(cur - mi);
if(min(r1, r2)) return SG[cur] = 0;
else if(max(r1, r2) == 1) return SG[cur] = 2;
else return SG[cur] = 1;
}
int main() {
freopen("in.txt", "r", stdin);
T = init();
memset(SG, -1, sizeof(SG));
SG[0] = 0;
for(int i = 1 ; i <= MAXN - 5 ; i++) {
SG_search(i);
}
while(T--) {
n = init();
if(SG[n]) printf("YES\n");
else printf("NO\n");
}
fclose(stdin);
return 0;
}