QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#923967#3063. Faulty FactorialblhxzjrAC ✓1493ms3712kbC++231.3kb2025-03-02 13:40:072025-03-02 13:40:07

Judging History

This is the latest submission verdict.

  • [2025-03-02 13:40:07]
  • Judged
  • Verdict: AC
  • Time: 1493ms
  • Memory: 3712kb
  • [2025-03-02 13:40:07]
  • Submitted

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
const int mod = 1e9+ 7; 
int qpow(int a,int b,int p = mod) {
	int base = a,res = 1;
	while (b) {
		if (b & 1) {
			res = res * base % p;
		} 
		b >>= 1;
		base = base * base % p;
	}
	return res%p;
}
signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n,p,r;
	cin >> n >> p >> r;
//	cout << qpow(2,4,1e9 + 7) <<endl;
	if(n>=2*p){
		if(r==0) cout << 2 << " " << 1 << "\n";
		else cout << -1 << " " << -1 << "\n";
	}
	else if(n<2*p && n>=p){
		if(r==0){
			if(n==p){
				if(n==2) cout << -1 << " " << -1 << "\n";
				else cout << p-1 << " " << p-2;
			}
			else cout << p+1 << " " << p << "\n";
		}
		else{
			int qf=1;
			for(int i=1; i<=n; i++){
				if(i!=p) qf=(qf*i)%p;
			}
			int da=1,flag=0;
			while(da<p){
				if(qf*da%p==r){
					flag=1;
					break;
				} 
				da++;
			}
			if(flag) cout << p << " " << da << "\n";
			else cout << -1 << " " << -1 << "\n";
		}
	}
	else{
		int qf=r;
		for(int i=1; i<=n; i++){
			qf=((qf)*qpow(i,p-2,p))%p;
//			cout << qf << "\n";
		}
		int wz=-1,zhi=-1;
		for(int i=1; i<=n; i++){
			if((qf*i)%p<i && (qf*i)%p!=0){
				wz=i;
				zhi=qf*i%p;
				break;
			}
		}
		if(!(zhi==-1 && wz==-1)) cout << wz << " " << zhi << "\n";
		else cout << -1 << " " << -1 << "\n";
	}
	return 0;
} 

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3584kb

input:

4 5 1

output:

3 2

result:

ok Correct!

Test #2:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

4 127 24

output:

-1 -1

result:

ok Correct!

Test #3:

score: 0
Accepted
time: 0ms
memory: 3456kb

input:

2 2 0

output:

-1 -1

result:

ok Correct!

Test #4:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

2 2 1

output:

2 1

result:

ok Correct!

Test #5:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

3 2 0

output:

3 2

result:

ok Correct!

Test #6:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

3 2 1

output:

2 1

result:

ok Correct!

Test #7:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

4 2 0

output:

2 1

result:

ok Correct!

Test #8:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

4 2 1

output:

-1 -1

result:

ok Correct!

Test #9:

score: 0
Accepted
time: 0ms
memory: 3456kb

input:

1000000000000000000 2 0

output:

2 1

result:

ok Correct!

Test #10:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

1000000000000000000 2 1

output:

-1 -1

result:

ok Correct!

Test #11:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

2 3 0

output:

-1 -1

result:

ok Correct!

Test #12:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

2 3 2

output:

-1 -1

result:

ok Correct!

Test #13:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

2 3 1

output:

2 1

result:

ok Correct!

Test #14:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

3 3 0

output:

2 1

result:

ok Correct!

Test #15:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

3 3 2

output:

3 1

result:

ok Correct!

Test #16:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

5 3 0

output:

4 3

result:

ok Correct!

Test #17:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

5 3 1

output:

3 1

result:

ok Correct!

Test #18:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

6 3 0

output:

2 1

result:

ok Correct!

Test #19:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

6 3 1

output:

-1 -1

result:

ok Correct!

Test #20:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

1000000000000000000 3 0

output:

2 1

result:

ok Correct!

Test #21:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

1000000000000000000 3 2

output:

-1 -1

result:

ok Correct!

Test #22:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

2 7 0

output:

-1 -1

result:

ok Correct!

Test #23:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

2 7 4

output:

-1 -1

result:

ok Correct!

Test #24:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

6 7 0

output:

-1 -1

result:

ok Correct!

Test #25:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

6 7 3

output:

2 1

result:

ok Correct!

Test #26:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

7 7 0

output:

6 5

result:

ok Correct!

Test #27:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

7 7 3

output:

7 4

result:

ok Correct!

Test #28:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

7 7 1

output:

7 6

result:

ok Correct!

Test #29:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

13 7 0

output:

8 7

result:

ok Correct!

Test #30:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

13 7 3

output:

7 3

result:

ok Correct!

Test #31:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

14 7 0

output:

2 1

result:

ok Correct!

Test #32:

score: 0
Accepted
time: 0ms
memory: 3712kb

input:

14 7 1

output:

-1 -1

result:

ok Correct!

Test #33:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

1000000000000000000 7 0

output:

2 1

result:

ok Correct!

Test #34:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

1000000000000000000 7 5

output:

-1 -1

result:

ok Correct!

Test #35:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

2 4937129 0

output:

-1 -1

result:

ok Correct!

Test #36:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

2 4937129 1249280

output:

-1 -1

result:

ok Correct!

Test #37:

score: 0
Accepted
time: 746ms
memory: 3584kb

input:

4937128 4937129 0

output:

-1 -1

result:

ok Correct!

Test #38:

score: 0
Accepted
time: 734ms
memory: 3584kb

input:

4937128 4937129 4041807

output:

4031 1683

result:

ok Correct!

Test #39:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

4937129 4937129 0

output:

4937128 4937127

result:

ok Correct!

Test #40:

score: 0
Accepted
time: 36ms
memory: 3584kb

input:

4937129 4937129 3844991

output:

4937129 1092138

result:

ok Correct!

Test #41:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

7675468 4937129 0

output:

4937130 4937129

result:

ok Correct!

Test #42:

score: 0
Accepted
time: 52ms
memory: 3584kb

input:

7675468 4937129 3435996

output:

4937129 214360

result:

ok Correct!

Test #43:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

9874257 4937129 0

output:

4937130 4937129

result:

ok Correct!

Test #44:

score: 0
Accepted
time: 79ms
memory: 3584kb

input:

9874257 4937129 4502081

output:

4937129 4502081

result:

ok Correct!

Test #45:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

9874258 4937129 0

output:

2 1

result:

ok Correct!

Test #46:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

9874258 4937129 136077

output:

-1 -1

result:

ok Correct!

Test #47:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

1000000000000000000 4937129 0

output:

2 1

result:

ok Correct!

Test #48:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

1000000000000000000 4937129 600783

output:

-1 -1

result:

ok Correct!

Test #49:

score: 0
Accepted
time: 1ms
memory: 3712kb

input:

2 9999991 0

output:

-1 -1

result:

ok Correct!

Test #50:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

2 9999991 3547763

output:

-1 -1

result:

ok Correct!

Test #51:

score: 0
Accepted
time: 1493ms
memory: 3456kb

input:

9999990 9999991 0

output:

-1 -1

result:

ok Correct!

Test #52:

score: 0
Accepted
time: 1462ms
memory: 3584kb

input:

9999990 9999991 6305202

output:

3283 3204

result:

ok Correct!

Test #53:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

9999991 9999991 0

output:

9999990 9999989

result:

ok Correct!

Test #54:

score: 0
Accepted
time: 85ms
memory: 3584kb

input:

9999991 9999991 3290391

output:

9999991 6709600

result:

ok Correct!

Test #55:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

15088677 9999991 0

output:

9999992 9999991

result:

ok Correct!

Test #56:

score: 0
Accepted
time: 125ms
memory: 3584kb

input:

15088677 9999991 3238851

output:

9999991 8892695

result:

ok Correct!

Test #57:

score: 0
Accepted
time: 1ms
memory: 3712kb

input:

19999981 9999991 0

output:

9999992 9999991

result:

ok Correct!

Test #58:

score: 0
Accepted
time: 136ms
memory: 3712kb

input:

19999981 9999991 1114448

output:

9999991 1114448

result:

ok Correct!

Test #59:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

19999982 9999991 0

output:

2 1

result:

ok Correct!

Test #60:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

19999982 9999991 1468197

output:

-1 -1

result:

ok Correct!

Test #61:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

1000000000000000000 9999991 0

output:

2 1

result:

ok Correct!

Test #62:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

1000000000000000000 9999991 5561940

output:

-1 -1

result:

ok Correct!

Test #63:

score: 0
Accepted
time: 409ms
memory: 3456kb

input:

2924166 9732533 6303282

output:

7418 6575

result:

ok Correct!

Test #64:

score: 0
Accepted
time: 418ms
memory: 3584kb

input:

3133068 6687881 5091931

output:

51475 53

result:

ok Correct!

Test #65:

score: 0
Accepted
time: 1131ms
memory: 3584kb

input:

8103430 9897059 6793055

output:

6741 1009

result:

ok Correct!

Test #66:

score: 0
Accepted
time: 846ms
memory: 3584kb

input:

5608852 7464623 4135409

output:

4004 827

result:

ok Correct!

Test #67:

score: 0
Accepted
time: 737ms
memory: 3584kb

input:

5399319 6048071 5880044

output:

4142 2871

result:

ok Correct!

Test #68:

score: 0
Accepted
time: 979ms
memory: 3584kb

input:

7602001 8561963 8429820

output:

10566 763

result:

ok Correct!

Test #69:

score: 0
Accepted
time: 652ms
memory: 3584kb

input:

4168376 7768193 5120738

output:

3271 2855

result:

ok Correct!

Test #70:

score: 0
Accepted
time: 257ms
memory: 3584kb

input:

1712124 3894673 1570469

output:

6665 6648

result:

ok Correct!

Test #71:

score: 0
Accepted
time: 631ms
memory: 3584kb

input:

4658359 6914419 1388646

output:

2768 755

result:

ok Correct!

Test #72:

score: 0
Accepted
time: 237ms
memory: 3584kb

input:

1780103 1889131 641681

output:

3524 2999

result:

ok Correct!

Test #73:

score: 0
Accepted
time: 1491ms
memory: 3584kb

input:

9999978 9999991 7955288

output:

-1 -1

result:

ok Correct!

Test #74:

score: 0
Accepted
time: 1474ms
memory: 3584kb

input:

9999974 9999991 7469222

output:

4999996 1

result:

ok Correct!

Test #75:

score: 0
Accepted
time: 1478ms
memory: 3584kb

input:

9999976 9999991 3692550

output:

4999996 4999995

result:

ok Correct!