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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #500028 | #6730. Coolbits | MOUZ_donk | Compile Error | / | / | C++20 | 1.5kb | 2024-07-31 21:24:42 | 2024-07-31 21:24:43 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
int T, n;
int l[N], r[N],c[N], choose[N];
void solve(){
cin>>n;
int min1=143322333;
for (int i = 1; i <= n; ++i){
cin>>l[i]>>r[i];
choose[i] = 0;
if(min1>r[i])
min1=r[i];
}
int mm;
for(int i=1;i<=31;i++){
if((1<<i)>=min1)
mm=i;
}
int ans = 0;
for (int i = mm+1; i >= 0; --i) {
//
// if((1<<(i+1))<min1){
// cout<<ans<<endl;
// return 0;
// }
int flag = 1;
for (int j = 1; j <= n && flag; ++j) {
int minn = choose[j] | (1 << i);
int maxx = choose[j] | ((1 << i+1) - 1);
if (minn > r[j] || maxx < l[j])
flag = 0;
}
if (flag) {
for (int j = 1; j <= n; ++j)
choose[j] |= 1 << i;
ans |= 1 << i;
}
else {
for (int j = 1; j <= n; ++j) {
int minn = choose[j] | (1 << i);
int maxx = choose[j] | ((1 << i+1) - 1);
e if (minn <= r[j] && maxx >= l[j] && minn <= l[j])
choose[j] |= 1 << i;
}
// if (minn <= r[j] && maxx >= l[j] && minn - 1 <= l[j])
// ans &= ((1 << i)-1);
}
}
cout<<ans<<endl;
}
int main ()
{
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
cin>>T;
while (T--) {
solve();
}
return 0;
}
Details
answer.code: In function ‘void solve()’:
answer.code:43:1: error: ‘e’ was not declared in this scope; did you mean ‘std::numbers::e’?
43 | e if (minn <= r[j] && maxx >= l[j] && minn <= l[j])
| ^
| std::numbers::e
In file included from /usr/include/c++/13/bits/max_size_type.h:37,
from /usr/include/c++/13/bits/ranges_base.h:39,
from /usr/include/c++/13/bits/ranges_algobase.h:38,
from /usr/include/c++/13/bits/ranges_algo.h:38,
from /usr/include/c++/13/algorithm:63,
from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51,
from answer.code:1:
/usr/include/c++/13/numbers:122:27: note: ‘std::numbers::e’ declared here
122 | inline constexpr double e = e_v<double>;
| ^