Pagini recente » Cod sursa (job #392898) | Cod sursa (job #2803759) | Cod sursa (job #1300876) | Cod sursa (job #1947531) | Cod sursa (job #1475745)
#include <cstdio>
#include <cstring>
const int NMAX = 500505;
const int FBYTE = (1 << 8) - 1;
const int LMAX = (1 << 8);
int n, a, b, c, A[2][NMAX];
int getByte(int idx, int val) {
return (val >> (idx * 8)) & FBYTE;
}
void read() {
scanf("%d", &n);
for (int i = 1; i <= n; i++) {
scanf("%d", &A[0][i]);
}
}
void radixSort(int left, int right, int byte) {
if (byte == 4) {
return ;
}
int cnt[LMAX], st[LMAX];
memset(cnt, 0, sizeof(cnt));
for (int i = left; i <= right; i++) {
cnt[getByte(byte, A[byte & 1][i])]++;
}
st[0] = left - 1;
for (int i = 1; i <= FBYTE; i++) {
st[i] = st[i - 1] + cnt[i - 1];
}
for (int i = left; i <= right; i++) {
int val = getByte(byte, A[byte & 1][i]);
A[1 - (byte & 1)][++st[val]] = A[byte & 1][i];
}
radixSort(left, right, byte + 1);
}
int main() {
freopen("algsort.in", "r", stdin);
freopen("algsort.out", "w", stdout);
read();
radixSort(1, n, 0);
for (int i = 1; i <= n; i++)
printf("%d ", A[0][i]);
printf("\n");
return 0;
}