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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#303530 | #6510. Best Carry Player 3 | WilliamHu | WA | 70ms | 3656kb | C++20 | 1.1kb | 2024-01-12 17:57:30 | 2024-01-12 17:57:31 |
Judging History
answer
/*********************************************************************
程序名:
版权:
作者:
日期: 2024-01-12 17:48
说明:
*********************************************************************/
#include<bits/stdc++.h>
using namespace std;
long long a, b, k, ah, bh, ans, mask, tmpk;
void solve()
{
cin>>a>>b>>k;
if(a<b)swap(a, b);
if(a==b)
{
cout<<0<<endl;
return ;
}
if(k<=1ll)
{
cout<<(a-b)<<endl;
return;
}
bool flag = false;
for(int i = 0;i < 63;i ++)
{
if(k == ((1ll<<i)-1ll))flag = true;
}
int bitcount=0;
tmpk = k;
while(tmpk)++bitcount,tmpk>>=1;
ah=a>>bitcount,bh=b>>bitcount;
if(ah == bh)
{
if((a^b) == k)cout<<1<<endl;
else cout<<min(2ll, a-b)<<endl;
return ;
}
ans=0;
mask=(1ll<<bitcount)-1ll;
if((a&mask)==0)ans+=0;
else if((a&mask)>k)ans+=min(2ll, a&mask);
else ++ans;
ans+=(ah-bh)+(ah-bh-1ll)*(flag?1ll:2ll);
if((b&mask)==mask)ans+=0;
else if((mask^(b&mask))<= k)ans ++;
else ans += min(2ll, mask-(b&mask));
cout<<ans<<endl;
}
int T;
int main() {
cin>>T;
while(T --)solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3504kb
input:
8 4 5 0 5 8 3 9 2 6 15 28 5 97 47 8 164 275 38 114514 1919 810 0 1152921504606846975 1
output:
1 2 3 5 11 6 331 1152921504606846975
result:
ok 8 numbers
Test #2:
score: -100
Wrong Answer
time: 70ms
memory: 3656kb
input:
100000 84 318 6 54 226 7 92 33 0 39 54 5 76 79 7 247 110 0 211 90 0 4 430 3 230 17 1 491 93 5 196 117 7 137 29 2 76 490 6 422 43 7 277 26 4 159 43 1 67 37 5 17 2 5 113 176 7 85 473 0 68 217 7 275 8 7 124 34 1 30 66 0 80 149 3 103 149 6 84 354 1 27 342 7 94 114 1 69 125 1 72 48 7 361 8 7 285 82 1 74 ...
output:
87 45 59 6 2 137 121 213 213 150 21 81 156 95 95 116 12 6 16 388 39 67 90 36 35 17 270 79 20 56 6 89 203 108 26 15 157 98 111 389 174 123 59 289 78 17 21 36 275 191 17 102 60 93 100 11 6 79 44 63 91 60 22 109 11 3 10 67 11 85 207 47 39 83 156 189 107 27 81 247 81 335 33 144 11 50 54 347 233 175 30 7...
result:
wrong answer 5th numbers differ - expected: '1', found: '2'