QOJ.ac

QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#578342	#9256. Quantum Supremacy	ucup-team004^#	AC ✓	1ms	3716kb	C++20	505b	2024-09-20 18:23:32	2024-09-20 18:23:32

Judging History

你现在查看的是最新测评结果

[2024-09-20 18:23:32]
评测

测评结果：AC
用时：1ms
内存：3716kb

查看

[2024-09-20 18:23:32]
提交

answer

#include <bits/stdc++.h>

using i64 = long long;
using u64 = unsigned long long;
using u32 = unsigned;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    i64 n, a, b;
    std::cin >> n >> a >> b;
    
    if ((b >> std::min(60LL, n)) >= a) {
        std::cout << -1 << "\n";
    } else {
        int ans = 0;
        while (b >= a) {
            ans++;
            a *= 2;
        }
        std::cout << ans << "\n";
    }
    
    return 0;
}

Source code, Language: C++20

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 1ms

memory: 3624kb

input:

1024 1 1

output:

result:

ok answer is '1'

Test #2:

score: 0

Accepted

time: 0ms

memory: 3712kb

input:

1024 1 2

output:

result:

ok answer is '2'

Test #3:

score: 0

Accepted

time: 0ms

memory: 3640kb

input:

1 1 1

output:

result:

ok answer is '1'

Test #4:

score: 0

Accepted

time: 0ms

memory: 3700kb

input:

1 1 2

output:

-1

result:

ok answer is '-1'

Test #5:

score: 0

Accepted

time: 0ms

memory: 3656kb

input:

10 2 1

output:

result:

ok answer is '0'

Test #6:

score: 0

Accepted

time: 0ms

memory: 3588kb

input:

1000000000000000000 1 1000000000000000000

output:

result:

ok answer is '60'

Test #7:

score: 0

Accepted

time: 0ms

memory: 3668kb

input:

1000000000000000000 1000000000000000000 1000000000000000000

output:

result:

ok answer is '1'

Test #8:

score: 0

Accepted

time: 1ms

memory: 3584kb

input:

1000000000000000000 500000000000000000 1000000000000000000

output:

result:

ok answer is '2'

Test #9:

score: 0

Accepted

time: 0ms

memory: 3584kb

input:

1000000000000000000 500000000000000001 1000000000000000000

output:

result:

ok answer is '1'

Test #10:

score: 0

Accepted

time: 0ms

memory: 3664kb

input:

1000000000000000000 499999999999999999 1000000000000000000

output:

result:

ok answer is '2'

Test #11:

score: 0

Accepted

time: 0ms

memory: 3716kb

input:

1000000000000000000 1 576460752303423488

output:

result:

ok answer is '60'

Test #12:

score: 0

Accepted

time: 0ms

memory: 3664kb

input:

1000000000000000000 1 576460752303423487

output:

result:

ok answer is '59'

Test #13:

score: 0

Accepted

time: 0ms

memory: 3544kb

input:

1000000000000000000 1 576460752303423489

output:

result:

ok answer is '60'

Test #14:

score: 0

Accepted

time: 0ms

memory: 3712kb

input:

1 1 576460752303423488

output:

-1

result:

ok answer is '-1'

Test #15:

score: 0

Accepted

time: 0ms

memory: 3660kb

input:

1 1 576460752303423487

output:

-1

result:

ok answer is '-1'

Test #16:

score: 0

Accepted

time: 0ms

memory: 3580kb

input:

2 1 576460752303423488

output:

-1

result:

ok answer is '-1'

Test #17:

score: 0

Accepted

time: 0ms

memory: 3632kb

input:

2 1 576460752303423487

output:

-1

result:

ok answer is '-1'

Test #18:

score: 0

Accepted

time: 0ms

memory: 3648kb

input:

58 1 576460752303423488

output:

-1

result:

ok answer is '-1'

Test #19:

score: 0

Accepted

time: 0ms

memory: 3624kb

input:

58 1 576460752303423487

output:

-1

result:

ok answer is '-1'

Test #20:

score: 0

Accepted

time: 0ms

memory: 3596kb

input:

59 1 576460752303423488

output:

-1

result:

ok answer is '-1'

Test #21:

score: 0

Accepted

time: 0ms

memory: 3592kb

input:

59 1 576460752303423487

output:

result:

ok answer is '59'

Test #22:

score: 0

Accepted

time: 0ms

memory: 3660kb

input:

60 1 576460752303423488

output:

result:

ok answer is '60'

Test #23:

score: 0

Accepted

time: 0ms

memory: 3592kb

input:

60 1 576460752303423487

output:

result:

ok answer is '59'

Test #24:

score: 0

Accepted

time: 0ms

memory: 3708kb

input:

3479 1234 123404

output:

result:

ok answer is '7'

Test #25:

score: 0

Accepted

time: 0ms

memory: 3708kb

input:

5005050 100103432 1384729384732

output:

result:

ok answer is '14'

Test #26:

score: 0

Accepted

time: 0ms

memory: 3648kb

input:

777 77777 777777777777

output:

result:

ok answer is '24'

Test #27:

score: 0

Accepted

time: 0ms

memory: 3640kb

input:

100 3814697265625 1000000000000000000

output:

result:

ok answer is '19'

Test #28:

score: 0

Accepted

time: 0ms

memory: 3660kb

input:

100 3814697265625 999999999999999999

output:

result:

ok answer is '18'

Extra Test:

score: 0

Extra Test Passed