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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #896261 | #10030. Grand Prix of Array Count | rotcar07 | AC ✓ | 19ms | 3584kb | C++23 | 389b | 2025-02-13 07:59:52 | 2025-02-13 07:59:53 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
constexpr int N=1e5+5,mod=1e9+7;
typedef long long ll;
int main(){
ll n,k;
cin>>n>>k;
if(n&1) cout<<k%mod*(k%mod)%mod<<'\n';
else{
ll ans=0;
for(ll l=1,r;l<=k;l=r+1){
r=k/(k/l);
ans+=(r-l+1)%mod*((k/l)%mod)%mod*(k/l%mod)%mod;
}
cout<<ans%mod<<'\n';
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3584kb
input:
5 2
output:
4
result:
ok 1 number(s): "4"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
32 5
output:
32
result:
ok 1 number(s): "32"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3456kb
input:
5 3
output:
9
result:
ok 1 number(s): "9"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
5 4
output:
16
result:
ok 1 number(s): "16"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
5 5
output:
25
result:
ok 1 number(s): "25"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
6 2
output:
5
result:
ok 1 number(s): "5"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
6 3
output:
11
result:
ok 1 number(s): "11"
Test #8:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
6 4
output:
22
result:
ok 1 number(s): "22"
Test #9:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
6 5
output:
32
result:
ok 1 number(s): "32"
Test #10:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
6 6
output:
52
result:
ok 1 number(s): "52"
Test #11:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
1000000000000 2
output:
5
result:
ok 1 number(s): "5"
Test #12:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
1000000000000 3
output:
11
result:
ok 1 number(s): "11"
Test #13:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
1000000000000 4
output:
22
result:
ok 1 number(s): "22"
Test #14:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
1000000000000 5
output:
32
result:
ok 1 number(s): "32"
Test #15:
score: 0
Accepted
time: 19ms
memory: 3584kb
input:
1000000000000 1000000000000
output:
840670140
result:
ok 1 number(s): "840670140"
Test #16:
score: 0
Accepted
time: 19ms
memory: 3456kb
input:
1000000000000 999999999999
output:
451060960
result:
ok 1 number(s): "451060960"
Test #17:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
999999999999 999999999999
output:
49014001
result:
ok 1 number(s): "49014001"
Test #18:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
999999999999 1000000000000
output:
49000000
result:
ok 1 number(s): "49000000"
Test #19:
score: 0
Accepted
time: 1ms
memory: 3584kb
input:
999999999999 2
output:
4
result:
ok 1 number(s): "4"
Test #20:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
999999999999 3
output:
9
result:
ok 1 number(s): "9"
Test #21:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
999999999999 4
output:
16
result:
ok 1 number(s): "16"
Test #22:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
999999999999 5
output:
25
result:
ok 1 number(s): "25"
Test #23:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
5 999999999999
output:
49014001
result:
ok 1 number(s): "49014001"
Test #24:
score: 0
Accepted
time: 19ms
memory: 3456kb
input:
6 999999999999
output:
451060960
result:
ok 1 number(s): "451060960"
Test #25:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
7 999999999999
output:
49014001
result:
ok 1 number(s): "49014001"
Test #26:
score: 0
Accepted
time: 19ms
memory: 3584kb
input:
8 999999999999
output:
451060960
result:
ok 1 number(s): "451060960"
Test #27:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
5 1000000000000
output:
49000000
result:
ok 1 number(s): "49000000"
Test #28:
score: 0
Accepted
time: 19ms
memory: 3584kb
input:
6 1000000000000
output:
840670140
result:
ok 1 number(s): "840670140"
Test #29:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
7 1000000000000
output:
49000000
result:
ok 1 number(s): "49000000"
Test #30:
score: 0
Accepted
time: 18ms
memory: 3584kb
input:
8 1000000000000
output:
840670140
result:
ok 1 number(s): "840670140"
Test #31:
score: 0
Accepted
time: 18ms
memory: 3584kb
input:
983302239554 983302239554
output:
62350851
result:
ok 1 number(s): "62350851"
Test #32:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
983302239553 983302239553
output:
384847475
result:
ok 1 number(s): "384847475"
Test #33:
score: 0
Accepted
time: 10ms
memory: 3328kb
input:
283302239554 283302239554
output:
579148388
result:
ok 1 number(s): "579148388"
Test #34:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
283302239553 283302239553
output:
289022341
result:
ok 1 number(s): "289022341"
Test #35:
score: 0
Accepted
time: 1ms
memory: 3584kb
input:
10000001 10000001
output:
19300001
result:
ok 1 number(s): "19300001"
Test #36:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
20000003 20000003
output:
117200009
result:
ok 1 number(s): "117200009"
Test #37:
score: 0
Accepted
time: 1ms
memory: 3584kb
input:
30000001 30000001
output:
53700001
result:
ok 1 number(s): "53700001"
Test #38:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
40000001 40000001
output:
68800001
result:
ok 1 number(s): "68800001"
Test #39:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
8 9
output:
115
result:
ok 1 number(s): "115"