提交记录 21956
提交时间 |
评测时间 |
2024-07-15 21:13:17 |
2024-07-15 21:13:38 |
#include <algorithm>
const unsigned N = (1 << 27) + 10, LB = 8, B = 1 << LB;
unsigned b[N];
unsigned cnt[B], *p[B], *pp;
void sort(unsigned *a, int n) {
--a;
for(int k = 0; k < 32; k += LB) {
for(int i = 1; i <= n; ++i)
++cnt[a[i] >> k & (B - 1)];
pp = b + 1;
for(int i = 0; i < B; ++i)
p[i] = pp, pp += cnt[i], cnt[i] = 0;
for(int i = 1; i <= n; ++i)
*p[a[i] >> k & (B - 1)]++ = a[i];
k += LB;
for(int i = 1; i <= n; ++i)
++cnt[b[i] >> k & (B - 1)];
pp = a + 1;
for(int i = 0; i < B; ++i)
p[i] = pp, pp += cnt[i], cnt[i] = 0;
for(int i = 1; i <= n; ++i)
*p[b[i] >> k & (B - 1)]++ = b[i];
}
}
Compilation | N/A | N/A | Compile OK | Score: N/A | 显示更多 |
Testcase #1 | 16.345 s | 1024 MB + 12 KB | Accepted | Score: 100 | 显示更多 |
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