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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 |
---|---|---|---|---|---|---|---|---|---|
#137739 | #6730. Coolbits | Yarema# | WA | 348ms | 4292kb | C++17 | 1.0kb | 2023-08-10 17:12:32 | 2023-08-10 17:12:54 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define SZ(a) (int)a.size()
#define ALL(a) a.begin(), a.end()
#define FOR(i, a, b) for (int i = (a); i<(b); ++i)
#define RFOR(i, b, a) for (int i = (b)-1; i>=(a); --i)
#define MP make_pair
#define PB push_back
#define F first
#define S second
#define FILL(a, b) memset(a, b, sizeof(a))
typedef long long LL;
typedef pair<int, int> PII;
typedef vector<int> VI;
bool check(int l, int r, int msk, int bt)
{
RFOR (i, 30, bt)
{
if (msk >= l && msk <= r)
{
return true;
}
if ((msk | (1 << i)) <= r) msk |= (1 << i);
}
return false;
}
void solve()
{
int n;
cin >> n;
vector<PII> v(n);
FOR (i, 0, n) cin >> v[i].F >> v[i].S;
int ans = 0;
RFOR (j, 30, 0)
{
int x = (1 << j) | ans;
bool ok = 1;
FOR (i, 0, n) if (!check(v[i].F, v[i].S, x, j)) ok = 0;
if (ok) ans = x;
}
cout << ans << '\n';
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
int t;
cin >> t;
while (t--)
{
solve();
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3452kb
input:
2 3 0 8 2 6 3 9 1 1 100
output:
6 100
result:
ok 2 number(s): "6 100"
Test #2:
score: -100
Wrong Answer
time: 348ms
memory: 4292kb
input:
1117 74 234256176 451122435 614716780 701954053 31102604 284818525 528763990 809400397 40637446 612671528 329403504 936190213 112402633 729525189 248142852 481053286 30877745 700834811 529884578 749041634 146522084 758550567 934650972 996096650 538751855 856147351 170918541 975066425 253153230 35361...
output:
13105244 2097151 79463293 591150 5714157 1477103 16776650 3954851 6721895 16777215 54525951 10460353 2246805 10485759 14752687 10485759 6073696 6005062 1183308 8388607 5800242 1048575 7374188 29360127 29517597 16777215 43510327 16777215 10770330 16538700 5934307 33563100 33554431 1478492 16777215 11...
result:
wrong answer 1st numbers differ - expected: '29882460', found: '13105244'