QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#455491 | #1287. Anti-hash Test | cqbzly | AC ✓ | 4ms | 5636kb | C++14 | 5.5kb | 2024-06-26 15:19:08 | 2024-06-26 15:19:08 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define fi first
#define se second
#define rz resize
#define inf 0x3f3f3f3f3f3f3f3f
using namespace std;
const int mod=1e9+7;
int T,tp,sz;
ll n;
string str,str0;
struct SAM{
struct node{
int link,len,occ,to[2];
};
vector<node>t;
vector<vector<int>>G;
vector<int>cnt;
int tot,last;
void extend(int c){
int cur=++tot,p=last;
t[cur].len=t[p].len+1;
while(p!=-1&&!t[p].to[c]){
t[p].to[c]=cur;
p=t[p].link;
}
if(p!=-1){
int q=t[p].to[c];
if(t[q].len==t[p].len+1){
t[cur].link=q;
}
else{
int clone=++tot;
for(int i=0;i<2;i++)t[clone].to[i]=t[q].to[i];
t[clone].link=t[q].link,t[clone].len=t[p].len+1;
t[q].link=t[cur].link=clone;
while(p!=-1&&t[p].to[c]==q){
t[p].to[c]=clone;
p=t[p].link;
}
}
}
t[cur].occ++;
last=cur;
}
void dfs(int u){
for(auto v:G[u]){
dfs(v);
t[u].occ+=t[v].occ;
}
}
void build(int n){
t.rz((1<<n+1)+5);
G.rz((1<<n+1)+5);
cnt.rz((1<<n+1)+5);
t[0].link=-1;
for(int i=0;i<1<<n;i++)extend(__builtin_popcount(i)&1);
for(int i=1;i<=tot;i++){
G[t[i].link].pb(i);
}
dfs(0);
for(int i=1;i<=tot;i++){
cnt[t[i].occ]=(cnt[t[i].occ]+t[i].len-t[t[i].link].len)%mod;
}
}
pair<int,int>qry(string &str){
int it=0,o=1;
for(int i=0;i<str.size();i++){
int c=str[i]-'a';
if(!t[it].to[c]){
o=0;
break;
}
it=t[it].to[c];
}
if(!o){
return {0,-1};
}
return {t[it].occ,cnt[t[it].occ]};
}
}sam[21];
ll fpow(ll x,ll y=mod-2){
ll z(1);
for(;y;y>>=1){
if(y&1)z=z*x%mod;
x=x*x%mod;
}return z;
}
ll calc(ll n,int f=0){
if(n<0)return 0;
ll res;
if(n%2==0)res=((fpow(2,n+1)-2)*fpow(3)+f*(n%2==0))%mod;
else res=((fpow(2,n+1)-1)*fpow(3)+f*(n%2==0))%mod;
return (res+mod)%mod;
}
ll calc0(ll n,int f){
if(!f){
if(n==1)return 1;
if(n==2)return 4;
return 13*fpow(4,n-3)%mod;
}
if(n==1)return 1;
if(n==2)return 6;
return 21*fpow(4,n-3)%mod;
}
pair<ll,ll>sol(){
sz=str.size();
ll c=0;
while(1){
int o=-1;
for(int i=0;i<sz-1;i++){
if(str[i]==str[i+1]){
o=i;
break;
}
}
if(o==-1)break;
str0.clear();
for(int i=o%2;i<=o;i+=2){
if(str[i]=='b')str0+='a';
else str0+='b';
}
for(int i=o+1;i<sz;i+=2){
if(i+1<sz&&str[i]==str[i+1])return {0,-1};
if(str[i]=='a')str0+='a';
else str0+='b';
}
str=str0,sz=str.size(),c++;
//cout<<str<<" "<<n<<"\n";
}
//cout<<str<<" "<<n<<"\n";
if(sz>=5)return {0,-1};
bool x=str[0]-'a';
if(sz==4)c+=3,x^=1;
if(sz==3)c+=2,x=1;
if(sz==2)c+=1;
//答案只和c,x有关
//算的是n-c阶串里面ab,ba总出现次数+(x^1)*(n-c mod 2 == 0)
if(c>n||c==n&&x)return {0,-1};
//缩出来是a/b,原串也只能是a/b
if(sz==1){
return {fpow(2,n-1),2};
}
//出现次数为1(??)
//此时缩出来可能是(n,0),也可能是(n-1,0/1)
if(c+1>=n){
return {1,(calc0(n,0)+calc0(n-1,0)+calc0(n-1,1))%mod};
}
//calc0(c,0/1):缩出来为(c,0/1)的等价类个数
if(n-c&1){
return {calc(n-c,x^1),(calc0(c,0)+calc0(c,1))%mod};
}
return {calc(n-c,x^1),calc0(c,x)};
}
// string get(string str){
// sz=str.size();
// while(1){
// int o=-1;
// for(int i=0;i<sz-1;i++){
// if(str[i]==str[i+1]){
// o=i;
// break;
// }
// }
// if(o==-1)break;
// str0.clear();
// for(int i=o%2;i<=o;i+=2){
// if(str[i]=='b')str0+='a';
// else str0+='b';
// }
// for(int i=o+1;i<sz;i+=2){
// if(i+1<sz&&str[i]==str[i+1])return "fail";
// if(str[i]=='a')str0+='a';
// else str0+='b';
// }
// str=str0,sz=str.size(),n--;
// //cout<<str<<" "<<n<<"\n";
// }
// return str;
// }
int main(){
// freopen("thuemorse.in","r",stdin);
// freopen("thuemorse.out","w",stdout);
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
for(int i=1;i<=5;i++)sam[i].build(i);
// for(int i=1;i<=6;i++){
// cout<<"len:"<<i<<"\n";
// for(int j=0;j<1<<i;j++){
// string tmp;
// for(int k=0;k<i;k++){
// if(j>>k&1)tmp+='b';
// else tmp+='a';
// }
// cout<<tmp<<" "<<get(tmp)<<"\n";
// }
// }
cin>>T;tp=1;
while(T--){
cin>>n>>str;
pair<ll,ll>tmp;
if(n<=5){
tmp=sam[n].qry(str);
}
else{
tmp=sol();
}
if(!tmp.fi)cout<<-1<<"\n";
else cout<<tmp.fi<<" "<<tmp.se<<"\n";
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3656kb
input:
4 10 a 10 abba 5 abbabaabbaababbabaababbaabbabaab 20 ababab
output:
512 2 171 4 1 344 -1
result:
ok 7 tokens
Test #2:
score: 0
Accepted
time: 0ms
memory: 3716kb
input:
3 1 a 1 ab 1 b
output:
1 3 1 3 1 3
result:
ok 6 tokens
Test #3:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
10 2 a 2 ab 2 abb 2 abba 2 b 2 bb 2 bba 2 b 2 ba 2 a
output:
2 2 1 6 1 6 1 6 2 2 1 6 1 6 2 2 1 6 2 2
result:
ok 20 tokens
Test #4:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
36 3 a 3 ab 3 abb 3 abba 3 abbab 3 abbaba 3 abbabaa 3 abbabaab 3 b 3 bb 3 bba 3 bbab 3 bbaba 3 bbabaa 3 bbabaab 3 b 3 ba 3 bab 3 baba 3 babaa 3 babaab 3 a 3 ab 3 aba 3 abaa 3 abaab 3 b 3 ba 3 baa 3 baab 3 a 3 aa 3 aab 3 a 3 ab 3 b
output:
4 2 3 1 1 23 1 23 1 23 1 23 1 23 1 23 4 2 1 23 1 23 1 23 1 23 1 23 1 23 4 2 2 1 1 23 1 23 1 23 1 23 4 2 3 1 1 23 1 23 1 23 4 2 2 1 1 23 1 23 4 2 1 23 1 23 4 2 3 1 4 2
result:
ok 72 tokens
Test #5:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
136 4 a 4 ab 4 abb 4 abba 4 abbab 4 abbaba 4 abbabaa 4 abbabaab 4 abbabaabb 4 abbabaabba 4 abbabaabbaa 4 abbabaabbaab 4 abbabaabbaaba 4 abbabaabbaabab 4 abbabaabbaababb 4 abbabaabbaababba 4 b 4 bb 4 bba 4 bbab 4 bbaba 4 bbabaa 4 bbabaab 4 bbabaabb 4 bbabaabba 4 bbabaabbaa 4 bbabaabbaab 4 bbabaabbaab...
output:
8 2 5 2 3 4 3 4 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 8 2 3 4 3 4 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 8 2 5 2 2 6 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 8 2 5 2 2 6 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 1 86 8 2 5 2 2 6 2 6 1 86 1 ...
result:
ok 272 tokens
Test #6:
score: 0
Accepted
time: 0ms
memory: 3572kb
input:
528 5 a 5 ab 5 abb 5 abba 5 abbab 5 abbaba 5 abbabaa 5 abbabaab 5 abbabaabb 5 abbabaabba 5 abbabaabbaa 5 abbabaabbaab 5 abbabaabbaaba 5 abbabaabbaabab 5 abbabaabbaababb 5 abbabaabbaababba 5 abbabaabbaababbab 5 abbabaabbaababbaba 5 abbabaabbaababbabaa 5 abbabaabbaababbabaab 5 abbabaabbaababbabaaba 5 ...
output:
16 2 11 1 5 10 5 10 3 13 3 13 3 13 3 13 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 16 2 5 10 5 10 3 13 3 13 3 13 3 13 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 344 1 3...
result:
ok 1056 tokens
Test #7:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
2080 6 a 6 ab 6 abb 6 abba 6 abbab 6 abbaba 6 abbabaa 6 abbabaab 6 abbabaabb 6 abbabaabba 6 abbabaabbaa 6 abbabaabbaab 6 abbabaabbaaba 6 abbabaabbaabab 6 abbabaabbaababb 6 abbabaabbaababba 6 abbabaabbaababbab 6 abbabaabbaababbaba 6 abbabaabbaababbabaa 6 abbabaabbaababbabaab 6 abbabaabbaababbabaaba 6...
output:
32 2 21 2 11 4 11 4 5 34 5 34 5 34 5 34 3 52 3 52 3 52 3 52 3 52 3 52 3 52 3 52 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1376 1 1...
result:
ok 4160 tokens
Test #8:
score: 0
Accepted
time: 4ms
memory: 3728kb
input:
8256 7 a 7 ab 7 abb 7 abba 7 abbab 7 abbaba 7 abbabaa 7 abbabaab 7 abbabaabb 7 abbabaabba 7 abbabaabbaa 7 abbabaabbaab 7 abbabaabbaaba 7 abbabaabbaabab 7 abbabaabbaababb 7 abbabaabbaababba 7 abbabaabbaababbab 7 abbabaabbaababbaba 7 abbabaabbaababbabaa 7 abbabaabbaababbabaab 7 abbabaabbaababbabaaba 7...
output:
64 2 43 1 21 10 21 10 11 13 11 13 11 13 11 13 5 136 5 136 5 136 5 136 5 136 5 136 5 136 5 136 3 208 3 208 3 208 3 208 3 208 3 208 3 208 3 208 3 208 3 208 3 208 3 208 3 208 3 208 3 208 3 208 1 5504 1 5504 1 5504 1 5504 1 5504 1 5504 1 5504 1 5504 1 5504 1 5504 1 5504 1 5504 1 5504 1 5504 1 5504 1 550...
result:
ok 16512 tokens
Test #9:
score: 0
Accepted
time: 4ms
memory: 3644kb
input:
1946 10 abbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaab 10 aabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababb...
output:
2 21504 1 352256 1 352256 1 352256 1 352256 1 352256 1 352256 1 352256 3 13312 1 352256 3 13312 1 352256 1 352256 1 352256 1 352256 1 352256 1 352256 5 8704 1 352256 1 352256 1 352256 1 352256 1 352256 1 352256 3 13312 1 352256 1 352256 1 352256 1 352256 1 352256 1 352256 1 352256 1 352256 1 352256 ...
result:
ok 3892 tokens
Test #10:
score: 0
Accepted
time: 0ms
memory: 3668kb
input:
100 20 ababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababb...
output:
42 88080384 21 570425344 43 54525952 42 88080384 21 570425344 43 54525952 21 570425344 21 570425344 42 88080384 21 570425344 42 88080384 42 88080384 42 88080384 42 88080384 43 54525952 21 570425344 43 54525952 43 54525952 43 54525952 42 88080384 43 54525952 42 88080384 21 570425344 43 54525952 43 54...
result:
ok 200 tokens
Test #11:
score: 0
Accepted
time: 0ms
memory: 3764kb
input:
12 20 babbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbab...
output:
2 548578150 3 958643621 5 126805441 5 126805441 2 548578150 3 958643621 5 126805441 2 548578150 5 126805441 2 548578150 2 548578150 42 88080384
result:
ok 24 tokens
Test #12:
score: 0
Accepted
time: 4ms
memory: 5560kb
input:
1 20 abbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbab...
output:
1 367184873
result:
ok 2 tokens
Test #13:
score: 0
Accepted
time: 4ms
memory: 3584kb
input:
1823 30 babbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababb...
output:
699050 344064 349525 2228224 699050 344064 699050 344064 349525 2228224 2796203 13312 699050 344064 349525 2228224 699050 344064 349525 2228224 699050 344064 1398101 139264 699051 212992 699051 212992 699051 212992 1398101 139264 1398101 139264 699050 344064 699050 344064 699050 344064 699050 344064...
result:
ok 3646 tokens
Test #14:
score: 0
Accepted
time: 4ms
memory: 3712kb
input:
1850 50 baabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaab...
output:
7746719 344064 503873363 2228224 503873363 2228224 503873363 2228224 503873363 2228224 7746719 344064 7746719 344064 503873363 2228224 7746719 344064 15493439 139264 503873363 2228224 7746719 344064 7746719 344064 15493439 139264 15493439 139264 15493439 139264 15493439 139264 15493439 139264 774671...
result:
ok 3700 tokens
Test #15:
score: 0
Accepted
time: 4ms
memory: 3652kb
input:
1844 60 baabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaab...
output:
932640889 344064 932640890 212992 932640889 344064 865281772 139264 865281772 139264 865281772 139264 932640889 344064 865281772 139264 932640890 212992 932640890 212992 932640890 212992 865281772 139264 932640890 212992 966320448 2228224 932640889 344064 966320448 2228224 966320448 2228224 93264088...
result:
ok 3688 tokens
Test #16:
score: 0
Accepted
time: 3ms
memory: 3720kb
input:
10 38 aababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababb...
output:
699051 958643621 453246046 958643621 11184811 958643621 812984176 958643621 5461 126805441 251936682 958643621 726623026 507221764 10923 958643621 5592405 507221764 5461 126805441
result:
ok 20 tokens
Test #17:
score: 0
Accepted
time: 0ms
memory: 3684kb
input:
193 173 abbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabba...
output:
237153758 851968 307702922 35651584 948615031 3407872 915865723 13631488 414031736 142606336 789733870 3407872 54276824 2228224 690892306 142606336 707015872 851968 457932861 142606336 543895136 54525952 948615031 851968 983682410 8912896 304996172 13631488 846493452 54525952 249015472 13631488 9369...
result:
ok 386 tokens
Test #18:
score: 0
Accepted
time: 3ms
memory: 3824kb
input:
18 681424606 abbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababb...
output:
571651312 126805441 783425335 126805441 233941502 489660907 211737098 489660907 996634110 126805441 699393285 570425344 529355244 489660907 566526228 281701362 35498412 872415232 225630107 142606336 573899998 218103808 746380945 126805441 546433028 489660907 944749929 872415232 539391422 489660907 7...
result:
ok 36 tokens
Test #19:
score: 0
Accepted
time: 4ms
memory: 4704kb
input:
4 83314964333 abbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaabab...
output:
717201110 115548168 744976969 507221764 695784310 489660907 979190234 13312
result:
ok 8 tokens
Test #20:
score: 0
Accepted
time: 4ms
memory: 4576kb
input:
4 73613248749 abbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaabab...
output:
300930365 507221764 992194206 338297831 461965452 126805441 346420605 218103808
result:
ok 8 tokens
Test #21:
score: 0
Accepted
time: 4ms
memory: 4760kb
input:
4 55321598572 abbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaabab...
output:
173541129 338297831 273488834 507221764 243115041 489660907 350785676 8912896
result:
ok 8 tokens
Test #22:
score: 0
Accepted
time: 2ms
memory: 5556kb
input:
1 999999999999999999 abbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaa...
output:
21845 115548168
result:
ok 2 tokens
Test #23:
score: 0
Accepted
time: 4ms
memory: 5448kb
input:
1 999999999999999999 abbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaa...
output:
21845 115548168
result:
ok 2 tokens
Test #24:
score: 0
Accepted
time: 0ms
memory: 5636kb
input:
1 949450819637416509 abbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaa...
output:
33991129 115548168
result:
ok 2 tokens
Test #25:
score: 0
Accepted
time: 4ms
memory: 5544kb
input:
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output:
302669459 338297831
result:
ok 2 tokens