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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#410263#8150. XOR SumGraphcity#AC ✓10ms8444kbC++14959b2024-05-13 20:20:502024-05-13 20:20:51

Judging History

你现在查看的是最新测评结果

  • [2024-05-13 20:20:51]
  • 评测
  • 测评结果:AC
  • 用时:10ms
  • 内存:8444kb
  • [2024-05-13 20:20:50]
  • 提交

answer

#include<bits/stdc++.h>
#define For(i,a,b) for(int i=(a);i<=(b);++i)
#define Rof(i,a,b) for(int i=(a);i>=(b);--i)
#define ll long long
using namespace std;
const int Maxn=1e3,Mod=1e9+7;

ll n,m; int K,C[55][55];
int f[64][20][Maxn+5];

int main()
{
    // freopen("1.in","r",stdin);
    
    cin>>n>>m>>K; C[0][0]=1;
    For(i,1,50)
    {
    	C[i][0]=1;
    	For(j,1,i) {C[i][j]=(C[i-1][j]+C[i-1][j-1])%Mod;}
	}
	For(i,0,K) f[0][i][0]=C[K][i];
    For(i,0,62)
    {
    	int p=(m>>i)&1,op=(n>>i)&1;
		For(j,0,K) For(k,0,Maxn) if(f[i][j][k]) For(k1,0,K-j)
	    {
	    	int cnt,res=1ll*f[i][j][k]*C[K-j][k1]%Mod;
	    	if(!p) cnt=(k1+j)*(K-k1-j); else cnt=k1*(K-k1);
	    	if((cnt+k)%2!=op) continue;
	    	if(!p) (f[i+1][j][(cnt+k)/2]+=res)%=Mod;
			else
			{
				For(l,0,k1)
				{
					int now=1ll*res*C[k1][l]%Mod;
					(f[i+1][j+l][(cnt+k)/2]+=now)%=Mod;
				}
			}
		}
	}
	cout<<f[63][K][0]<<endl;
    return 0;
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 4508kb

input:

6 2 3

output:

12

result:

ok 1 number(s): "12"

Test #2:

score: 0
Accepted
time: 1ms
memory: 5136kb

input:

30 6 5

output:

1520

result:

ok 1 number(s): "1520"

Test #3:

score: 0
Accepted
time: 1ms
memory: 4120kb

input:

0 0 1

output:

1

result:

ok 1 number(s): "1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 4456kb

input:

0 0 2

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: 0
Accepted
time: 0ms
memory: 4244kb

input:

0 1145141919 2

output:

145141913

result:

ok 1 number(s): "145141913"

Test #6:

score: 0
Accepted
time: 3ms
memory: 8388kb

input:

0 0 18

output:

1

result:

ok 1 number(s): "1"

Test #7:

score: 0
Accepted
time: 8ms
memory: 8416kb

input:

0 12412414 18

output:

12412415

result:

ok 1 number(s): "12412415"

Test #8:

score: 0
Accepted
time: 3ms
memory: 6892kb

input:

32071009996106 682053093123 12

output:

443207413

result:

ok 1 number(s): "443207413"

Test #9:

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

input:

35533005762427 688386210611 9

output:

0

result:

ok 1 number(s): "0"

Test #10:

score: 0
Accepted
time: 8ms
memory: 8332kb

input:

35533005762427 688386210611 18

output:

132815685

result:

ok 1 number(s): "132815685"

Test #11:

score: 0
Accepted
time: 9ms
memory: 8300kb

input:

12412412412412 549755813887 18

output:

769139144

result:

ok 1 number(s): "769139144"

Test #12:

score: 0
Accepted
time: 8ms
memory: 8212kb

input:

12412412412412 549755813887 17

output:

256540093

result:

ok 1 number(s): "256540093"

Test #13:

score: 0
Accepted
time: 0ms
memory: 7720kb

input:

12412412412412 549755813887 15

output:

661919152

result:

ok 1 number(s): "661919152"

Test #14:

score: 0
Accepted
time: 0ms
memory: 6936kb

input:

8213830533897 180838478436 12

output:

960275439

result:

ok 1 number(s): "960275439"

Test #15:

score: 0
Accepted
time: 4ms
memory: 8444kb

input:

8213830533897 180838478436 18

output:

794870059

result:

ok 1 number(s): "794870059"

Test #16:

score: 0
Accepted
time: 0ms
memory: 6892kb

input:

56737445336495 759179417237 12

output:

0

result:

ok 1 number(s): "0"

Test #17:

score: 0
Accepted
time: 5ms
memory: 8332kb

input:

56737445336495 759179417237 18

output:

302105482

result:

ok 1 number(s): "302105482"

Test #18:

score: 0
Accepted
time: 1ms
memory: 3736kb

input:

56737445336495 759179417237 15

output:

0

result:

ok 1 number(s): "0"

Test #19:

score: 0
Accepted
time: 3ms
memory: 8336kb

input:

12412412412412 274877906944 18

output:

430003400

result:

ok 1 number(s): "430003400"

Test #20:

score: 0
Accepted
time: 0ms
memory: 8188kb

input:

32412412412412 274877906944 18

output:

657686236

result:

ok 1 number(s): "657686236"

Test #21:

score: 0
Accepted
time: 10ms
memory: 8356kb

input:

562949953421311 549755813887 18

output:

0

result:

ok 1 number(s): "0"

Test #22:

score: 0
Accepted
time: 10ms
memory: 8268kb

input:

985162418487295 549755813887 18

output:

0

result:

ok 1 number(s): "0"

Test #23:

score: 0
Accepted
time: 6ms
memory: 8348kb

input:

985162418487295 962072674303 18

output:

0

result:

ok 1 number(s): "0"

Test #24:

score: 0
Accepted
time: 3ms
memory: 8424kb

input:

35184372088831 962072674303 18

output:

665848241

result:

ok 1 number(s): "665848241"

Extra Test:

score: 0
Extra Test Passed