QOJ.ac
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 |
|---|---|---|---|---|---|---|---|---|---|
| #339438 | #1261. Inv | xlwang | AC ✓ | 213ms | 7076kb | C++14 | 1.2kb | 2024-02-27 12:23:41 | 2024-02-27 12:23:42 |
Judging History
answer
#include<bits/stdc++.h>
#define fr(i,j,k) for(register int i=j;i<=k;++i)
#define rf(i,j,k) for(register int i=j;i>=k;--i)
#define foredge(i,j) for(register int i=head[j];i;i=e[i].nxt)
#define randfind(l,r) (rnd()%((r)-(l)+1)+(l))
#define pb push_back
#define Times printf("Time:%.3lf\n",clock()/CLOCKS_PER_SEC)
using namespace std;
inline int read(){
int x=0;
bool f=0;
char c=getchar();
while(!isdigit(c)) f|=(c=='-'),c=getchar();
while(isdigit(c)) x=(x<<3)+(x<<1)+(c^48),c=getchar();
return f?-x:x;
}
inline void write(int x){
if(x<0){putchar('-');x=-x;}
if(x>9)write(x/10);
putchar(x%10+'0');
}
inline void writeln(int x){write(x); puts("");}
inline void writepl(int x){write(x); putchar(' ');}
//inline void init(){
// int t=read();
// while(t--) work();
//}
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
const int Maxn=3e3+10;
bitset<Maxn*Maxn> Ans;
int n,m;
int k;
inline void init(){
n=read();m=n*(n-1)/2;
k=read();
}
inline void work(){
fr(i,0,m) if(!(i&(n-1))) Ans[i]=1;
fr(i,1,n) Ans=Ans^(Ans<<i);
write(Ans[k]);
}
signed main(){
init();work();
// printf("\nTIME:%.3lf",(double)clock()/CLOCKS_PER_SEC);
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 7008kb
input:
4 1
output:
1
result:
ok answer is '1'
Test #2:
score: 0
Accepted
time: 3ms
memory: 7060kb
input:
10 21
output:
0
result:
ok answer is '0'
Test #3:
score: 0
Accepted
time: 203ms
memory: 6904kb
input:
500 124331
output:
0
result:
ok answer is '0'
Test #4:
score: 0
Accepted
time: 7ms
memory: 6988kb
input:
20 122
output:
1
result:
ok answer is '1'
Test #5:
score: 0
Accepted
time: 44ms
memory: 7076kb
input:
100 999
output:
0
result:
ok answer is '0'
Test #6:
score: 0
Accepted
time: 192ms
memory: 6848kb
input:
500 100001
output:
1
result:
ok answer is '1'
Test #7:
score: 0
Accepted
time: 4ms
memory: 6916kb
input:
5 0
output:
1
result:
ok answer is '1'
Test #8:
score: 0
Accepted
time: 0ms
memory: 6864kb
input:
5 1
output:
0
result:
ok answer is '0'
Test #9:
score: 0
Accepted
time: 5ms
memory: 6976kb
input:
5 2
output:
1
result:
ok answer is '1'
Test #10:
score: 0
Accepted
time: 0ms
memory: 6964kb
input:
5 3
output:
1
result:
ok answer is '1'
Test #11:
score: 0
Accepted
time: 0ms
memory: 6988kb
input:
5 4
output:
0
result:
ok answer is '0'
Test #12:
score: 0
Accepted
time: 4ms
memory: 6916kb
input:
5 5
output:
0
result:
ok answer is '0'
Test #13:
score: 0
Accepted
time: 4ms
memory: 7056kb
input:
5 6
output:
0
result:
ok answer is '0'
Test #14:
score: 0
Accepted
time: 4ms
memory: 6860kb
input:
5 7
output:
1
result:
ok answer is '1'
Test #15:
score: 0
Accepted
time: 4ms
memory: 6916kb
input:
5 8
output:
1
result:
ok answer is '1'
Test #16:
score: 0
Accepted
time: 4ms
memory: 6860kb
input:
5 9
output:
0
result:
ok answer is '0'
Test #17:
score: 0
Accepted
time: 2ms
memory: 6968kb
input:
5 10
output:
1
result:
ok answer is '1'
Test #18:
score: 0
Accepted
time: 208ms
memory: 7008kb
input:
500 73732
output:
1
result:
ok answer is '1'
Test #19:
score: 0
Accepted
time: 193ms
memory: 6916kb
input:
499 21121
output:
1
result:
ok answer is '1'
Test #20:
score: 0
Accepted
time: 210ms
memory: 6852kb
input:
499 100000
output:
0
result:
ok answer is '0'
Test #21:
score: 0
Accepted
time: 196ms
memory: 6908kb
input:
499 62262
output:
1
result:
ok answer is '1'
Test #22:
score: 0
Accepted
time: 211ms
memory: 6856kb
input:
499 23432
output:
1
result:
ok answer is '1'
Test #23:
score: 0
Accepted
time: 201ms
memory: 6904kb
input:
500 12321
output:
0
result:
ok answer is '0'
Test #24:
score: 0
Accepted
time: 194ms
memory: 7008kb
input:
500 60000
output:
1
result:
ok answer is '1'
Test #25:
score: 0
Accepted
time: 208ms
memory: 7008kb
input:
498 7498
output:
1
result:
ok answer is '1'
Test #26:
score: 0
Accepted
time: 203ms
memory: 7056kb
input:
498 76111
output:
1
result:
ok answer is '1'
Test #27:
score: 0
Accepted
time: 173ms
memory: 6856kb
input:
414 41414
output:
1
result:
ok answer is '1'
Test #28:
score: 0
Accepted
time: 162ms
memory: 6864kb
input:
422 42224
output:
1
result:
ok answer is '1'
Test #29:
score: 0
Accepted
time: 130ms
memory: 6972kb
input:
333 33333
output:
1
result:
ok answer is '1'
Test #30:
score: 0
Accepted
time: 203ms
memory: 6900kb
input:
500 51515
output:
1
result:
ok answer is '1'
Test #31:
score: 0
Accepted
time: 161ms
memory: 6856kb
input:
393 21222
output:
1
result:
ok answer is '1'
Test #32:
score: 0
Accepted
time: 207ms
memory: 7008kb
input:
500 124750
output:
1
result:
ok answer is '1'
Test #33:
score: 0
Accepted
time: 204ms
memory: 6900kb
input:
500 124749
output:
1
result:
ok answer is '1'
Test #34:
score: 0
Accepted
time: 197ms
memory: 6856kb
input:
500 0
output:
1
result:
ok answer is '1'
Test #35:
score: 0
Accepted
time: 213ms
memory: 6900kb
input:
500 1
output:
1
result:
ok answer is '1'
Test #36:
score: 0
Accepted
time: 3ms
memory: 6868kb
input:
1 0
output:
1
result:
ok answer is '1'