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QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #108568 | #2601. Lucky Tickets | zghtyarecrenj | AC ✓ | 632ms | 3536kb | C++14 | 466b | 2023-05-25 15:21:04 | 2023-05-25 15:21:05 |
Judging History
answer
#include <bits/stdc++.h>
using ll = long long;
inline ll qpow(ll x, ll y, ll p) {
ll z = 1;
for (; y; y >>= 1, x = x * x % p)
if (y & 1) z = z * x % p;
return z;
}
ll n, s, q;
int main() {
std::ios::sync_with_stdio(false);
std::cin >> n >> s >> q;
ll res = 0;
for (ll i = 0; i < n; ++i) {
ll t = i * (qpow(2, q, q) + q - 1) % q;
if (s == (qpow(i, q, n) + q * i) % n) (res += t) %= q;
}
std::cout << res << '\n';
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 2ms
memory: 3352kb
input:
2 0 2
output:
0
result:
ok 1 number(s): "0"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3516kb
input:
10 9 2
output:
1
result:
ok 1 number(s): "1"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3428kb
input:
3 2 3
output:
2
result:
ok 1 number(s): "2"
Test #4:
score: 0
Accepted
time: 2ms
memory: 3436kb
input:
2 1 2
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3360kb
input:
4 0 3
output:
1
result:
ok 1 number(s): "1"
Test #6:
score: 0
Accepted
time: 2ms
memory: 3488kb
input:
4 2 3
output:
2
result:
ok 1 number(s): "2"
Test #7:
score: 0
Accepted
time: 2ms
memory: 3308kb
input:
20 4 19
output:
5
result:
ok 1 number(s): "5"
Test #8:
score: 0
Accepted
time: 2ms
memory: 3352kb
input:
30 2 37
output:
23
result:
ok 1 number(s): "23"
Test #9:
score: 0
Accepted
time: 2ms
memory: 3520kb
input:
87 22 67
output:
0
result:
ok 1 number(s): "0"
Test #10:
score: 0
Accepted
time: 3ms
memory: 3304kb
input:
829 135 857
output:
803
result:
ok 1 number(s): "803"
Test #11:
score: 0
Accepted
time: 2ms
memory: 3536kb
input:
6120 2790 9851
output:
4622
result:
ok 1 number(s): "4622"
Test #12:
score: 0
Accepted
time: 40ms
memory: 3280kb
input:
77263 13087 50147
output:
26904
result:
ok 1 number(s): "26904"
Test #13:
score: 0
Accepted
time: 430ms
memory: 3368kb
input:
682298 437284 638801
output:
10038
result:
ok 1 number(s): "10038"
Test #14:
score: 0
Accepted
time: 486ms
memory: 3332kb
input:
823965 703789 575623
output:
483248
result:
ok 1 number(s): "483248"
Test #15:
score: 0
Accepted
time: 614ms
memory: 3372kb
input:
1000000 394496 999983
output:
755554
result:
ok 1 number(s): "755554"
Test #16:
score: 0
Accepted
time: 599ms
memory: 3484kb
input:
1000000 24900 999451
output:
996185
result:
ok 1 number(s): "996185"
Test #17:
score: 0
Accepted
time: 622ms
memory: 3488kb
input:
999750 14190 999671
output:
191073
result:
ok 1 number(s): "191073"
Test #18:
score: 0
Accepted
time: 606ms
memory: 3356kb
input:
946312 10286 997741
output:
744939
result:
ok 1 number(s): "744939"
Test #19:
score: 0
Accepted
time: 632ms
memory: 3372kb
input:
997742 0 997741
output:
565729
result:
ok 1 number(s): "565729"
Test #20:
score: 0
Accepted
time: 610ms
memory: 3472kb
input:
977762 0 977761
output:
0
result:
ok 1 number(s): "0"