QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#265792 | #7679. Master of Both IV | fishfishfriedfish# | TL | 65ms | 23992kb | C++14 | 1.6kb | 2023-11-25 21:11:40 | 2023-11-25 21:11:40 |
Judging History
answer
#include<bits/stdc++.h>
#define LL long long
#define pb push_back
#define SZ(x) ((int)x.size()-1)
#define ms(a,b) memset(a,b,sizeof a)
#define F(i,a,b) for (int i=(a);i<=(b);++i)
#define DF(i,a,b) for (int i=(a);i>=(b);--i)
//#define mp make_pair
//#define OO(x) fixed<<setprecision(x)
using namespace std;
//mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
inline int read(){
char ch=getchar(); int w=1,c=0;
for(;!isdigit(ch);ch=getchar()) if (ch=='-') w=-1;
for(;isdigit(ch);ch=getchar()) c=(c<<1)+(c<<3)+(ch^48);
return w*c;
}
const int mod=998244353,M=2e5+10;
int n,a[M];
LL pw[M];
struct LB{
int b[20],cnt,fr;
void clr(){
ms(b,0);
cnt=fr=0;
}
void ins(int x){
DF(i,19,0){
if (x>>i&1){
if (!b[i]){
b[i]=x; cnt++;
return ;
}
else x^=b[i];
}
}
fr++;
}
}b[M],A;
int c[M];
void work(){
n=read(); A.clr();
F(i,1,n) b[i].clr(),c[i]=0;
F(i,1,n) a[i]=read(),A.ins(a[i]),c[a[i]]++;
F(i,1,n){
for (int j=2*a[i];j<=n;j+=a[i]){
b[j].ins(a[i]);
}
}
LL ans=pw[A.fr];
F(i,1,n){
if (c[i]){
ans+=pw[c[i]-1]*pw[b[i].fr]%mod;
}
}
ans%=mod; ans=(ans+mod-1)%mod;
cout<<ans<<"\n";
}
void init(){
pw[0]=1;
F(i,1,M-5) pw[i]=pw[i-1]*2%mod;
}
int main(){
// freopen(".in","r",stdin);
// freopen(".out","w",stdout);
int T=read(); init();
while (T--) work(); return 0;
return 0;
}
/* stuff you should look for
* int overflow, array bounds
* special cases (n=1?)
* do smth instead of nothing and stay organized
* WRITE STUFF DOWN
* DON'T GET STUCK ON ONE APPROACH
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 5744kb
input:
2 3 1 2 3 5 3 3 5 1 1
output:
4 11
result:
ok 2 number(s): "4 11"
Test #2:
score: 0
Accepted
time: 11ms
memory: 5688kb
input:
40000 5 4 2 5 5 5 5 5 5 5 5 4 5 1 4 4 4 2 5 2 5 2 4 1 5 3 2 4 5 3 5 1 5 5 3 4 5 5 5 5 4 3 5 4 3 3 5 1 5 4 5 5 2 1 5 2 5 4 2 5 5 3 4 3 4 3 5 5 3 5 1 3 5 5 1 2 4 4 5 4 2 5 1 5 5 5 4 2 5 4 5 5 2 5 2 4 5 1 4 5 4 5 5 4 2 3 2 3 5 1 4 1 3 5 5 1 1 2 1 5 5 5 2 5 1 3 5 3 1 2 5 3 5 5 5 1 1 5 5 2 2 2 1 3 5 3 1 ...
output:
9 16 9 9 8 8 9 8 8 9 13 8 8 8 8 9 12 9 11 15 8 8 17 13 8 11 8 8 8 13 15 9 9 8 8 8 11 9 11 13 15 9 17 9 8 8 8 13 11 8 9 11 8 8 11 15 9 8 9 8 8 15 11 8 17 9 15 8 8 8 12 9 9 11 8 13 9 8 15 8 8 9 8 8 8 15 8 11 13 8 9 11 8 19 11 13 19 17 13 15 8 8 8 9 8 9 13 15 17 9 9 17 9 11 9 9 11 9 9 11 8 9 9 13 15 11...
result:
ok 40000 numbers
Test #3:
score: 0
Accepted
time: 13ms
memory: 5660kb
input:
20000 10 1 3 6 8 3 1 10 7 2 3 10 8 2 8 9 10 5 8 4 8 3 10 2 2 10 1 6 4 4 3 4 7 10 6 5 10 7 8 7 3 1 6 6 10 3 2 3 7 8 4 9 8 8 7 10 9 9 6 4 9 3 9 10 5 9 10 10 8 9 10 10 4 5 1 4 3 10 2 10 4 5 8 10 2 2 7 2 10 2 6 4 10 1 1 1 1 2 3 10 1 10 2 8 1 5 9 4 3 1 10 8 1 8 1 9 5 6 7 2 9 10 1 6 7 4 8 8 7 3 5 7 10 10 ...
output:
97 77 82 74 75 84 75 105 159 95 81 74 78 75 73 73 83 93 90 84 79 77 73 89 77 74 81 79 80 207 83 77 83 78 87 85 84 97 75 80 117 75 113 74 75 95 77 83 86 77 99 73 77 83 91 96 77 80 77 76 84 81 73 95 83 74 75 81 77 79 75 78 78 81 97 77 85 73 92 83 73 80 73 81 74 73 142 83 99 78 91 77 76 81 77 74 78 76 ...
result:
ok 20000 numbers
Test #4:
score: 0
Accepted
time: 16ms
memory: 8112kb
input:
10000 20 5 12 4 16 11 20 3 1 3 13 19 16 3 17 15 9 10 18 19 13 20 4 17 14 3 3 10 6 17 16 17 16 8 1 15 13 12 8 12 10 9 20 18 11 5 11 5 5 9 3 17 10 6 8 5 10 11 15 19 9 10 11 20 7 7 12 13 20 9 14 17 1 10 13 20 10 19 3 12 1 8 8 3 20 13 20 17 12 6 1 16 5 3 2 18 7 2 7 20 1 12 4 7 1 20 15 6 13 1 10 5 13 3 4...
output:
32801 32799 32832 32817 32955 65621 32919 32865 32843 32798 32792 32843 32796 32823 32803 32807 32797 32859 32806 32799 32806 32813 32893 32798 32798 32799 32832 32792 32825 32817 32867 32795 32806 32796 32794 32943 32795 32791 65732 32842 32841 32841 32806 32804 32852 32795 32867 32798 32841 32823 ...
result:
ok 10000 numbers
Test #5:
score: 0
Accepted
time: 15ms
memory: 5684kb
input:
16666 12 11 11 9 7 10 9 7 5 4 8 3 3 12 8 6 8 9 3 10 10 9 1 4 5 10 12 2 1 4 1 2 8 7 11 8 7 5 9 12 4 6 11 11 9 11 3 10 4 9 10 6 12 6 2 11 4 10 9 5 9 5 8 9 2 12 9 10 5 2 2 2 3 6 4 11 8 8 12 7 6 5 4 1 11 1 6 11 9 9 3 12 4 5 11 12 1 3 3 9 4 4 1 11 12 6 9 9 11 4 7 10 5 6 9 8 1 12 7 1 2 1 6 11 8 5 8 8 2 6 ...
output:
269 268 283 268 274 283 277 295 268 291 269 855 275 287 344 299 291 277 329 274 281 276 267 268 268 270 338 275 297 315 273 307 303 302 269 279 272 278 281 302 270 301 295 268 303 279 303 267 279 297 326 272 270 287 287 277 273 276 296 307 274 271 281 278 277 311 273 277 275 315 272 272 293 278 285 ...
result:
ok 16666 numbers
Test #6:
score: 0
Accepted
time: 54ms
memory: 23972kb
input:
1 199999 31326 93089 143392 198151 77233 59844 54715 190000 165927 171095 37063 5018 63088 44405 71037 25580 164377 88095 161549 177275 27730 70339 43759 118378 142428 109706 184253 60233 148241 30394 137958 92664 199171 166535 103239 164430 53636 191124 72007 81005 84139 162416 72120 123920 67659 1...
output:
201346582
result:
ok 1 number(s): "201346582"
Test #7:
score: 0
Accepted
time: 65ms
memory: 23992kb
input:
1 200000 170638 5636 88928 129268 153767 88291 149068 48393 141101 184304 94311 9175 191831 49369 148252 116494 143778 82929 154524 119427 98000 4334 67480 110892 23718 90985 175496 1895 30892 65569 66919 99699 93681 154168 93236 151988 192901 64308 133298 132467 145277 32832 174696 98652 70963 7005...
output:
91986751
result:
ok 1 number(s): "91986751"
Test #8:
score: 0
Accepted
time: 28ms
memory: 8548kb
input:
10000 20 1 1 1 1 1 1 1 6 1 7 1 7 8 17 9 6 4 4 12 1 20 10 1 1 1 1 1 8 1 1 1 1 6 1 1 11 18 16 17 1 5 20 8 1 8 4 18 1 8 1 15 1 13 1 3 7 7 20 1 1 18 6 20 1 12 1 1 2 1 1 1 1 1 1 4 1 1 20 1 4 1 1 4 20 1 1 11 13 9 6 1 16 1 1 1 1 1 6 20 1 1 19 19 4 20 17 1 8 6 1 4 1 1 9 14 1 8 1 20 17 1 14 1 6 2 20 1 1 7 1 ...
output:
40447 51199 33727 147455 38399 34431 75775 44031 43519 39935 53247 47103 61439 71423 43007 38399 35839 38399 34431 39423 51199 65535 65535 39423 33919 43007 35455 76799 36607 69631 34303 33919 34815 39423 34943 40447 83967 44031 53247 43007 43007 61439 43007 38911 34239 43007 38399 36351 146431 3942...
result:
ok 10000 numbers
Test #9:
score: -100
Time Limit Exceeded
input:
1 200000 337 89 53250 295 11 52707 208 194232 272 48579 42662 7 134511 375 126116 204 203 23 154649 257 47442 219 122 626 133238 12761 125572 240 1746 264 83473 165545 386 85154 420 736 36400 91303 71984 140 103 2 83438 163 678 67336 130520 464 155504 202 393 758 28195 257 137 165 469 178634 385 265...