记录详情
Wrong Answer

状态 耗时 内存占用

#1 Accepted 3ms 312.0 KiB
#2 Wrong Answer 2ms 312.0 KiB
#3 Wrong Answer 2ms 328.0 KiB
#4 Wrong Answer 14ms 312.0 KiB
#5 Wrong Answer 73ms 312.0 KiB
#6 Wrong Answer 159ms 308.0 KiB
#7 Wrong Answer 192ms 312.0 KiB
#8 Wrong Answer 208ms 312.0 KiB
#9 Wrong Answer 160ms 328.0 KiB
#10 Wrong Answer 136ms 312.0 KiB

#include<iostream>
using namespace std;

const int n2=81,n4=1185,n6=751075,n8=72879159;

bool nearly2(int i1,int i2)
{
    return i1!=i2;
}

bool nearly4(int i1,int i2,int i3,int i4)
{
    int aa=i1+i3,bb=i2+i4,cc=aa-bb;
    if (cc==0) return false;
    else if (cc>0) return ((i1-cc>0)||(i3-cc>=0)||(i2+cc<10)||(i4+cc<10));
    else return ((i2-cc>=0)||(i4-cc>=0)||(i1+cc<10)||(i3+cc<10));
}

bool nearly6(int i1,int i2,int i3,int i4,int i5,int i6)
{
    int aa=i1+i3+i5,bb=i2+i4+i6,cc=aa-bb;
    if (cc==0) return false;
    else if (cc>0) return ((i1-cc>0)||(i3-cc>=0)||(i5-cc>=0)||(i2+cc<10)||(i4+cc<10)||(i6+cc<10));
    else return ((i2-cc>=0)||(i4-cc>=0)||(i6-cc>=0)||(i1+cc<10)||(i3+cc<10)||(i5+cc<10));
}

bool nearly8(int i1,int i2,int i3,int i4,int i5,int i6,int i7,int i8)
{
    int aa=i1+i3+i5+i7,bb=i2+i4+i6+i8,cc=aa-bb;
    if (cc==0) return false;
    else if (cc>0) return ((i1-cc>0)||(i3-cc>=0)||(i5-cc>=0)||(i7-cc>=0)||(i2+cc<10)||(i4+cc<10)||(i6+cc<10)||(i8+cc<10));
    else return ((i2-cc>=0)||(i4-cc>=0)||(i6-cc>=0)||(i8-cc>=0)||(i1+cc<10)||(i3+cc<10)||(i5+cc<10)||(i7+cc<10));   
}

int f1(int x)
{
    int i,t;
    for (i=t=1;t<=x;t*=10,i++);
    return i;
}

int f2(int x)
{
    int t;
    for (t=1;t<=x;t*=10);
    return t;
}

int main()
{
    int a,b,sum=0;
    cin>>a>>b;
    for (int i=a;i<=b;i++) 
    {
        if (i>9 && i<100) sum+=nearly2(i/10,i%10);
        else if (i>999 && i<10000) sum+=nearly4(i/1000,i/100%10,i/10%10,i%10);
        else if (i>99999 && i<1000000) sum+=nearly6(i/100000,i/10000%10,i/1000%10,i/100%10,i/10%10,i%10);
        else if (i>9999999 && i<10000000) sum+=nearly8(i/10000000,i/1000000%10,i/100000%10,i/10000%10,i/1000%10,i/100%10,i/10%10,i%10);
    }
    cout<<sum<<endl;
    return 0;
}