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QOJ

ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#227793	#2937. CIDR	Thallium54^#	WA	0ms	3740kb	C++20	1001b	2023-10-27 23:21:44	2023-10-27 23:21:45

Judging History

你现在查看的是最新测评结果

[2023-10-27 23:21:45]
评测

测评结果：WA
用时：0ms
内存：3740kb

查看

[2023-10-27 23:21:44]
提交

answer

#include<bits/stdc++.h>

using namespace std;
 
typedef long long int ll;
typedef long double ld;
#define f first
#define s second
#define pb push_back
#define pii pair<int, int>

 
const int N = 2e5 + 100;
const int inf = 1e9;
const ll mod =  998244353;




int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
        ll x = 0;
        int k;
        for (int j = 0; j < 4; j++) {
            char c;
            cin >> k;
            x = (x << 8) + k;
            if (j < 3) cin >> c;
        }
        a[i] = x;
    }
    for (int b = 31; b >= 0; b--) {
        int same = 1;
        for (int i = 0; i < n; i++) {
            if ((a[i] >> b & 1) != (a[0] >> b & 1)) {
                same = 0;
                break;
            }
        }
        if (!same) {
            cout << 31 - b << endl;
            break;
        }
    }
    return 0;
}

源文件, 语言: C++20

详细

Test #1:

score: 100

Accepted

time: 0ms

memory: 3600kb

input:

4
10.0.0.1
10.0.0.24
10.0.0.8
10.0.0.16

output:

result:

ok single line: '27'

Test #2:

score: 0

Accepted

time: 0ms

memory: 3612kb

input:

5
10.0.0.1
10.0.0.24
10.0.0.8
10.1.0.1
10.0.0.16

output:

result:

ok single line: '15'

Test #3:

score: 0

Accepted

time: 0ms

memory: 3740kb

input:

2
127.0.0.1
127.0.0.53

output:

result:

ok single line: '26'

Test #4:

score: 0

Accepted

time: 0ms

memory: 3612kb

input:

3
0.0.0.128
0.0.0.3
0.0.128.5

output:

result:

ok single line: '16'

Test #5:

score: -100

Wrong Answer

time: 0ms

memory: 3504kb

input:

5
123.123.123.123
123.123.123.123
123.123.123.123
123.123.123.123
123.123.123.123

output:

result:

wrong answer 1st lines differ - expected: '32', found: ''