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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 |
|---|---|---|---|---|---|---|---|---|---|
| #400969 | #4913. 子集匹配 | 11d10xy | 0 | 0ms | 0kb | C++17 | 281b | 2024-04-27 19:20:07 | 2024-04-27 19:20:07 |
answer
#include"hall.h"
int solve(int n,int _,int s){
int a[30],m=1,tg=0;
a[1]=0;
for(int i=0;i<n;i++)if(s>>i&1&&m>1&&(a[m]|tg)!=(s&(1<<i-1)-1))
m--,tg|=1<<i;
else a[m+1]=a[m]|1<<i,m++;
for(int i=1;i<=m;i++)if((a[i]|tg)==s)return a[i-1]|tg;
return -114514;
}
詳細信息
Test #1:
score: 0
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14 8
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Test #2:
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15 10
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18 10
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19 10
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Test #7:
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19 11
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Test #9:
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22 12
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Test #10:
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23 12
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Test #11:
score: 0
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23 13
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Test #12:
score: 0
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input:
23 14
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Test #13:
score: 0
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input:
24 13
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Test #14:
score: 0
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input:
25 13
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Test #15:
score: 0
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input:
25 14
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Test #16:
score: 0
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input:
25 15
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Test #17:
score: 0
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input:
26 14
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Test #18:
score: 0
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input:
27 14
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Test #19:
score: 0
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input:
27 15
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Test #20:
score: 0
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input:
27 16