QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#204844 | #7562. Except One | ucup-team859# | AC ✓ | 1ms | 3592kb | C++20 | 771b | 2023-10-07 14:08:40 | 2023-10-07 14:08:41 |
Judging History
answer
#include <iostream>
using namespace std;
int lgput(int x, int p, int mod) {
if (p == 0) {
return 1;
}
if (p % 2 == 0) {
int k = lgput(x, p/2, mod);
return (1LL * k * k) % mod;
}
if (p % 2 == 1) {
return (1LL * lgput(x, p - 1, mod) * x) % mod;
}
}
int main()
{
#ifdef LOCAL
freopen("test.in", "r", stdin);
freopen("test.out", "w", stdout);
#endif // LOCAL
int p, k, t;
cin >> p >> k >> t;
int ans = 1;
if (t % 2 == 1) {
ans = p - k;
}
t /= 2;
ans = (1LL * ans * (1LL * lgput(p - k, t, p) * lgput(k, t, p) % p)) % p;
if (t % 2 == 1) {
cout << p - ans;
}
else
cout << ans;
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3532kb
input:
7 5 3
output:
1
result:
ok 1 number(s): "1"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3588kb
input:
11 6 7
output:
3
result:
ok 1 number(s): "3"
Test #3:
score: 0
Accepted
time: 1ms
memory: 3344kb
input:
3 2 1
output:
1
result:
ok 1 number(s): "1"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3380kb
input:
596620183 516846890 38276329
output:
135352707
result:
ok 1 number(s): "135352707"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3532kb
input:
382744931 85302262 235496559
output:
14577469
result:
ok 1 number(s): "14577469"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3412kb
input:
659446013 641119314 378275666
output:
290624162
result:
ok 1 number(s): "290624162"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3580kb
input:
227 163 124
output:
189
result:
ok 1 number(s): "189"
Test #8:
score: 0
Accepted
time: 0ms
memory: 3580kb
input:
197 187 19
output:
62
result:
ok 1 number(s): "62"
Test #9:
score: 0
Accepted
time: 0ms
memory: 3376kb
input:
5 3 3
output:
3
result:
ok 1 number(s): "3"
Test #10:
score: 0
Accepted
time: 0ms
memory: 3424kb
input:
7 6 4
output:
1
result:
ok 1 number(s): "1"
Test #11:
score: 0
Accepted
time: 0ms
memory: 3540kb
input:
7 1 1
output:
6
result:
ok 1 number(s): "6"
Test #12:
score: 0
Accepted
time: 0ms
memory: 3288kb
input:
782371 586755 418517
output:
298550
result:
ok 1 number(s): "298550"
Test #13:
score: 0
Accepted
time: 0ms
memory: 3548kb
input:
181081 178315 76002
output:
125177
result:
ok 1 number(s): "125177"
Test #14:
score: 0
Accepted
time: 1ms
memory: 3592kb
input:
715019 492103 446729
output:
221541
result:
ok 1 number(s): "221541"
Test #15:
score: 0
Accepted
time: 1ms
memory: 3408kb
input:
238985261 199832612 162675695
output:
65826267
result:
ok 1 number(s): "65826267"
Test #16:
score: 0
Accepted
time: 0ms
memory: 3588kb
input:
129716453 10994076 62963738
output:
5186275
result:
ok 1 number(s): "5186275"
Test #17:
score: 0
Accepted
time: 0ms
memory: 3372kb
input:
962360593 652577122 345596237
output:
814039152
result:
ok 1 number(s): "814039152"
Test #18:
score: 0
Accepted
time: 1ms
memory: 3340kb
input:
871606937 839183139 754188014
output:
466391387
result:
ok 1 number(s): "466391387"
Test #19:
score: 0
Accepted
time: 0ms
memory: 3288kb
input:
275568091 270750503 241146839
output:
252569968
result:
ok 1 number(s): "252569968"
Test #20:
score: 0
Accepted
time: 0ms
memory: 3348kb
input:
562028473 111749710 450258818
output:
63116256
result:
ok 1 number(s): "63116256"