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Submission
# When Author Problem Language CPU Memory
3623 2021-12-21 23:12:42 ewu_ieee21_user_34 Range Equal Query C++ 11 15 ms 3620 kb Wrong Answer - 4
Test Cases
# CPU Memory Points
1 3 ms 3552 kb 1 Accepted
2 3 ms 3488 kb 1 Accepted
3 3 ms 3368 kb 1 Accepted
4 15 ms 3620 kb 0 Wrong Answer
5 0 ms 0 kb 0 Skipped
6 0 ms 0 kb 0 Skipped
7 0 ms 0 kb 0 Skipped
8 0 ms 0 kb 0 Skipped
9 0 ms 0 kb 0 Skipped
10 0 ms 0 kb 0 Skipped
11 0 ms 0 kb 0 Skipped
12 0 ms 0 kb 0 Skipped
13 0 ms 0 kb 0 Skipped
14 0 ms 0 kb 0 Skipped
15 0 ms 0 kb 0 Skipped
16 0 ms 0 kb 0 Skipped
17 0 ms 0 kb 0 Skipped
18 0 ms 0 kb 0 Skipped
19 0 ms 0 kb 0 Skipped
20 0 ms 0 kb 0 Skipped
Source Code
  1. #include<bits/stdc++.h>
  2. #include<ext/pb_ds/assoc_container.hpp>
  3. #include<ext/pb_ds/tree_policy.hpp>
  4. using namespace std;
  5. using namespace __gnu_pbds;
  6.  
  7. template <typename num_t>
  8. using ordered_set = tree<num_t,null_type,less<num_t>,rb_tree_tag,tree_order_statistics_node_update>;
  9.  
  10. const int DEBUGGER = 0;
  11.  
  12. #define io ios_base::sync_with_stdio(0); cin.tie(NULL)
  13. #define mset(a,v) memset(a,v,sizeof(a))
  14. #define lp(i,a,n) for(int i=a;i<n;i++)
  15. #define lpr(i,a,n) for(int i=n-1;i>=a;i--)
  16. #define stlp(it,stl) for(__typeof(stl.begin()) it=stl.begin();it!=stl.end();it++)
  17. #define stlpr(it,stl) for(__typeof(stl.rbegin()) it=stl.rbegin();it!=stl.rend();it++)
  18. #define r(a) a.begin(),a.end()
  19. #define II ({ ll TEMP; cin>>TEMP; TEMP; })
  20. #define SI ({ string TEMP; cin>>TEMP; TEMP; })
  21. #define AI(a) ({ int n=sizeof(a)/sizeof(a[0]); lp(I,0,n)a[I]=II; })
  22. #define AO(a) ({ int n=sizeof(a)/sizeof(a[0]); lp(I,0,n){cout<<(I?" ":"")<<a[I];} if(DEBUGGER)cout<<endl;else cout<<'\n'; })
  23. #define VI(v) ({ lp(I,0,v.size())v[I]=II; })
  24. #define VO(v) ({ lp(I,0,v.size()){cout<<(I?" ":"")<<v[I];} if(DEBUGGER)cout<<endl;else cout<<'\n'; })
  25. #define outa(a) ({ if(DEBUGGER)dbg(a); else cout<<a<<'\n'; })
  26. #define dbg(a) ({ if(DEBUGGER)cout<<#a<<" = "<<a<<endl; })
  27. #define cbit(n,p) ((n)&(1LL<<(p)))
  28. #define sbit(n,p) ((n)|(1LL<<(p)))
  29. #define tbit(n,p) ((n)^(1LL<<(p)))
  30. #define F first
  31. #define S second
  32.  
  33. typedef long long ll;
  34. typedef pair<ll,ll> pll;
  35. typedef vector<ll> vl;
  36.  
  37. const ll MAX = 1e5+5;
  38. const ll MOD = 1e9+7;
  39. const ll MOD2 = 1e9+9;
  40. const ll INF = 9e18;
  41. const double PI = 3.141592653589793238462;
  42. ll addM(ll a,ll b){return (a+=b)>=MOD?(a-=MOD):a;}
  43. ll subM(ll a,ll b){return (a-=b)<0?(a+=MOD):a;}
  44.  
  45. ll n,m,len,ps[320],ps2[320],pr=110017,pr2=110023;
  46. pll blc[320],blc2[320];
  47. vl a,b,blcvl[320];
  48.  
  49. ll bigMOD(ll a,ll x,ll MOD){
  50. if(x==0)return 1;
  51. if(x==1 || a<=1)return a%MOD;
  52. ll r=bigMOD(a,x/2,MOD);
  53. r=(r*r)%MOD;
  54. if(x&1)
  55. r=(r*a)%MOD;
  56. return r;
  57. }
  58.  
  59. pll hashval(vl v){
  60. pll ans={0,0};
  61. ll p_pow=1;
  62. lp(i,0,v.size()){
  63. ans.F=(ans.F+v[i]*p_pow)%MOD;
  64. p_pow=(p_pow*pr)%MOD;
  65. }
  66. p_pow=1;
  67. lp(i,0,v.size()){
  68. ans.S=(ans.S+v[i]*p_pow)%MOD2;
  69. p_pow=(p_pow*pr2)%MOD2;
  70. }
  71. return ans;
  72. }
  73.  
  74. void init(){
  75. len=(int)sqrt(n)+1;
  76. for(int i=0;i<n;i+=len){
  77. vl ax;
  78. lp(k,i,min(i+len,n))
  79. ax.push_back(a[k]);
  80.  
  81. vl bx;
  82. lp(k,i,min(i+len,m))
  83. bx.push_back(b[k]);
  84.  
  85. blc[i/len]=hashval(ax);
  86. blcvl[i/len]=ax;
  87.  
  88. blc2[i/len]=hashval(bx);
  89. }
  90. }
  91.  
  92. void update(int i,int val){
  93. int c_i=i/len;
  94.  
  95. blcvl[c_i][i%len]=val;
  96. blc[c_i]=hashval(blcvl[c_i]);
  97.  
  98. a[i]=val;
  99. }
  100.  
  101. ll rv(ll i,ll j,int c,int d){
  102. ll sz=j-i+1;
  103. if(!sz)return 0;
  104. if(c){
  105. if(d)
  106. return blc[i/len].F%ps[sz];
  107. else
  108. return blc[i/len].S%ps[sz];
  109. }
  110. if(d)
  111. return (blc[i/len].F*bigMOD(ps[len-sz],MOD-2,MOD))%MOD;
  112. else
  113. return (blc[i/len].S*bigMOD(ps[len-sz],MOD2-2,MOD2))%MOD2;
  114. }
  115.  
  116. bool query(int l,int r){
  117. bool ans=1;
  118. int c_l=l/len,c_r=r/len;
  119. if(c_l==c_r){
  120. for(int i=l,j=0;i<=r;i++,j++)
  121. ans&=(a[i]==b[j]);
  122. }
  123. else{
  124. int j=0;
  125. for(int i=l, l_end=(c_l+1)*len-1;i<=l_end;i++,j++){
  126. ans&=a[i]==b[j];
  127. }
  128. dbg(ans);
  129.  
  130. for(int i=c_l+1;i<=c_r-1;i++,j+=len){
  131. ll in1=j;
  132. ll in2=((j/len)+1)*len-1;
  133. ll in3=j+len-1;
  134.  
  135. ll hs=(((rv(in1,in2,1,0)*ps[in2-in1+1])%MOD)+rv(in2+1,in3,0,0))%MOD;
  136. ll hs2=(((rv(in1,in2,1,1)*ps[in2-in1+1])%MOD2)+rv(in2+1,in3,0,1))%MOD2;
  137.  
  138. ans&=blc[i]==make_pair(hs,hs2);
  139. }
  140. dbg(ans);
  141.  
  142. for(int i=c_r*len;i<=r;i++,j++){
  143. ans&=a[i]==b[j];
  144. }
  145. dbg(ans);
  146. }
  147. return ans;
  148. }
  149.  
  150. void solve(){
  151. ps[0]=1;
  152. lp(i,1,320)
  153. ps[i]=(ps[i-1]*pr)%MOD;
  154.  
  155. ps2[0]=1;
  156. lp(i,1,320)
  157. ps2[i]=(ps2[i-1]*pr2)%MOD;
  158.  
  159.  
  160. map<ll,ll>mp;
  161. vl tmp;
  162.  
  163. n=II,m=II;
  164. lp(i,0,n)a.push_back(II),tmp.push_back(a.back());
  165. lp(i,0,m)b.push_back(II),tmp.push_back(b.back());
  166.  
  167. sort(r(tmp));
  168. ll v=1;
  169. lp(i,0,tmp.size())
  170. if(mp.find(tmp[i])==mp.end())
  171. mp[tmp[i]]=v++;
  172.  
  173. lp(i,0,n)a[i]=mp[a[i]];
  174. lp(i,0,m)b[i]=mp[b[i]];
  175.  
  176. init();
  177.  
  178. if(DEBUGGER){
  179. lp(i,0,n)cout<<a[i]<<' ';cout<<endl;
  180. lp(i,0,m)cout<<b[i]<<' ';cout<<endl;
  181. dbg(len);
  182. // lp(i,0,len)cout<<blc[i]<<' ';cout<<endl;
  183. lp(i,0,len){
  184. lp(j,0,blcvl[i].size())
  185. cout<<blcvl[i][j]<<' ';
  186. cout<<", ";
  187. }cout<<endl;
  188. // lp(i,0,len)cout<<blc2[i]<<' ';cout<<endl;
  189. }
  190.  
  191. ll q=II;
  192. while(q--){
  193. if(II==1){
  194. ll i=II-1,x=II;
  195. if(mp.find(x)==mp.end())
  196. mp[x]=v++;
  197. x=mp[x];
  198. update(i,x);
  199. }
  200. else{
  201. ll l=II-1,r=II-1;
  202. if(query(l,r)) outa("YES");
  203. else outa("NO");
  204. }
  205. }
  206. }
  207.  
  208. int main(void){
  209. io;
  210. int multipletest=0;
  211. if(multipletest){
  212. int tc;
  213. cin>>tc;
  214. while(tc--)
  215. solve();
  216. }
  217. else
  218. solve();
  219. return 0;
  220. }
  221.