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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 |
|---|---|---|---|---|---|---|---|---|---|
| #571549 | #1261. Inv | nullptr_qwq | AC ✓ | 64ms | 5460kb | C++20 | 1.4kb | 2024-09-18 00:23:20 | 2024-09-18 00:23:20 |
Judging History
answer
// Problem: T402404 星辰
// Contest: Luogu
// URL: https://www.luogu.com.cn/problem/T402404
// Memory Limit: 512 MB
// Time Limit: 1000 ms
// Author: nullptr_qwq
//
// Powered by CP Editor (https://cpeditor.org)
// 私は猫です
#include<bits/stdc++.h>
#define ull unsigned long long
#define ll long long
#define pb push_back
#define mkp make_pair
#define fi first
#define se second
#define inf 1000000000
#define infll 1000000000000000000ll
#define pii pair<int,int>
#define rep(i,a,b,c) for(int i=(a);i<=(b);i+=(c))
#define per(i,a,b,c) for(int i=(a);i>=(b);i-=(c))
#define F(i,a,b) for(int i=a,i##end=b;i<=i##end;i++)
#define dF(i,a,b) for(int i=a,i##end=b;i>=i##end;i--)
#define cmh(sjy) while(sjy--)
#define lowbit(x) (x&(-x))
#define HH printf("\n")
#define eb emplace_back
#define poly vector<int>
using namespace std;
ll read(){
ll x=0,f=1;char c=getchar();
while(c<'0'||c>'9'){if(c=='-') f=-1;c=getchar();}
while(c>='0'&&c<='9') x=(x<<3)+(x<<1)+(c^48),c=getchar();
return x*f;
}
template<typename T>inline void chkmax(T &x,const T &y){ x=std::max(x,y); }
template<typename T>inline void chkmin(T &x,const T &y){ x=std::min(x,y); }
const int mod=998244353,maxn=500005;
bitset<4498502>ans;
int n,m,k;
void solve(){
n=read(),m=(n*(n-1))>>1,k=read();
F(i,0,m)if(!(i&(n-1)))ans[i]=1;
F(i,1,n)ans^=(ans<<i);
printf(ans[k]?"1":"0");
}
signed main(){
const int zsy=1;
F(____,1,zsy)solve();
}
详细
Test #1:
score: 100
Accepted
time: 2ms
memory: 5460kb
input:
4 1
output:
1
result:
ok answer is '1'
Test #2:
score: 0
Accepted
time: 0ms
memory: 5332kb
input:
10 21
output:
0
result:
ok answer is '0'
Test #3:
score: 0
Accepted
time: 63ms
memory: 5316kb
input:
500 124331
output:
0
result:
ok answer is '0'
Test #4:
score: 0
Accepted
time: 4ms
memory: 5348kb
input:
20 122
output:
1
result:
ok answer is '1'
Test #5:
score: 0
Accepted
time: 14ms
memory: 5272kb
input:
100 999
output:
0
result:
ok answer is '0'
Test #6:
score: 0
Accepted
time: 63ms
memory: 5352kb
input:
500 100001
output:
1
result:
ok answer is '1'
Test #7:
score: 0
Accepted
time: 2ms
memory: 5336kb
input:
5 0
output:
1
result:
ok answer is '1'
Test #8:
score: 0
Accepted
time: 2ms
memory: 5336kb
input:
5 1
output:
0
result:
ok answer is '0'
Test #9:
score: 0
Accepted
time: 2ms
memory: 5272kb
input:
5 2
output:
1
result:
ok answer is '1'
Test #10:
score: 0
Accepted
time: 0ms
memory: 5352kb
input:
5 3
output:
1
result:
ok answer is '1'
Test #11:
score: 0
Accepted
time: 2ms
memory: 5336kb
input:
5 4
output:
0
result:
ok answer is '0'
Test #12:
score: 0
Accepted
time: 2ms
memory: 5332kb
input:
5 5
output:
0
result:
ok answer is '0'
Test #13:
score: 0
Accepted
time: 2ms
memory: 5344kb
input:
5 6
output:
0
result:
ok answer is '0'
Test #14:
score: 0
Accepted
time: 2ms
memory: 5408kb
input:
5 7
output:
1
result:
ok answer is '1'
Test #15:
score: 0
Accepted
time: 0ms
memory: 5332kb
input:
5 8
output:
1
result:
ok answer is '1'
Test #16:
score: 0
Accepted
time: 2ms
memory: 5296kb
input:
5 9
output:
0
result:
ok answer is '0'
Test #17:
score: 0
Accepted
time: 2ms
memory: 5336kb
input:
5 10
output:
1
result:
ok answer is '1'
Test #18:
score: 0
Accepted
time: 58ms
memory: 5404kb
input:
500 73732
output:
1
result:
ok answer is '1'
Test #19:
score: 0
Accepted
time: 63ms
memory: 5404kb
input:
499 21121
output:
1
result:
ok answer is '1'
Test #20:
score: 0
Accepted
time: 63ms
memory: 5348kb
input:
499 100000
output:
0
result:
ok answer is '0'
Test #21:
score: 0
Accepted
time: 58ms
memory: 5340kb
input:
499 62262
output:
1
result:
ok answer is '1'
Test #22:
score: 0
Accepted
time: 62ms
memory: 5348kb
input:
499 23432
output:
1
result:
ok answer is '1'
Test #23:
score: 0
Accepted
time: 63ms
memory: 5348kb
input:
500 12321
output:
0
result:
ok answer is '0'
Test #24:
score: 0
Accepted
time: 58ms
memory: 5340kb
input:
500 60000
output:
1
result:
ok answer is '1'
Test #25:
score: 0
Accepted
time: 61ms
memory: 5344kb
input:
498 7498
output:
1
result:
ok answer is '1'
Test #26:
score: 0
Accepted
time: 64ms
memory: 5332kb
input:
498 76111
output:
1
result:
ok answer is '1'
Test #27:
score: 0
Accepted
time: 51ms
memory: 5336kb
input:
414 41414
output:
1
result:
ok answer is '1'
Test #28:
score: 0
Accepted
time: 53ms
memory: 5340kb
input:
422 42224
output:
1
result:
ok answer is '1'
Test #29:
score: 0
Accepted
time: 38ms
memory: 5352kb
input:
333 33333
output:
1
result:
ok answer is '1'
Test #30:
score: 0
Accepted
time: 63ms
memory: 5276kb
input:
500 51515
output:
1
result:
ok answer is '1'
Test #31:
score: 0
Accepted
time: 50ms
memory: 5348kb
input:
393 21222
output:
1
result:
ok answer is '1'
Test #32:
score: 0
Accepted
time: 62ms
memory: 5340kb
input:
500 124750
output:
1
result:
ok answer is '1'
Test #33:
score: 0
Accepted
time: 64ms
memory: 5340kb
input:
500 124749
output:
1
result:
ok answer is '1'
Test #34:
score: 0
Accepted
time: 63ms
memory: 5400kb
input:
500 0
output:
1
result:
ok answer is '1'
Test #35:
score: 0
Accepted
time: 62ms
memory: 5404kb
input:
500 1
output:
1
result:
ok answer is '1'
Test #36:
score: 0
Accepted
time: 1ms
memory: 5336kb
input:
1 0
output:
1
result:
ok answer is '1'