提交记录 15563
| 提交时间 |
评测时间 |
| 2021-01-01 20:38:03 |
2021-01-01 20:38:07 |
void sort(unsigned *a,int n)
{
unsigned *b=new unsigned[n];
unsigned cnt0[256],cnt8[256],cnt16[256],cnt24[256];
for(int i=0;i<256;i++){
cnt0[i]=0;
cnt8[i]=0;
cnt16[i]=0;
cnt24[i]=0;
}
for(int i=0;i<n;++i){
++cnt0[a[i]>>0&255];
++cnt8[a[i]>>8&255];
++cnt16[a[i]>>16&255];
++cnt24[a[i]>>24&255];
}
for(int i=1;i<=255;++i){
cnt0[i]+=cnt0[i-1];
cnt8[i]+=cnt8[i-1];
cnt16[i]+=cnt16[i-1];
cnt24[i]+=cnt24[i-1];
}
#define countingSort(a,b,k) \
for(int i=n-1;~i;--i) b[--cnt##k[a[i]>>k&255]]=a[i];\
countingSort(a,b,0);
countingSort(b,a,8);
countingSort(a,b,16);
countingSort(b,a,24);
}
| Compilation | N/A | N/A | Compile OK | Score: N/A | 显示更多 |
| Testcase #1 | 999.23 us | 804 KB | Accepted | Score: 34 | 显示更多 |
| Testcase #2 | 1.091 s | 762 MB + 988 KB | Accepted | Score: 33 | 显示更多 |
| Testcase #3 | 2.182 s | 1525 MB + 924 KB | Accepted | Score: 33 | 显示更多 |
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