You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
107 lines
2.1 KiB
107 lines
2.1 KiB
const int base = 16;
|
|
|
|
int getMaxNum(int n, int arr[]){
|
|
int ret = 0;
|
|
int i = 0;
|
|
while (i < n){
|
|
if (arr[i] > ret) ret = arr[i];
|
|
i = i + 1;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int getNumPos(int num, int pos){
|
|
int tmp = 1;
|
|
int i = 0;
|
|
while (i < pos){
|
|
num = num / base;
|
|
i = i + 1;
|
|
}
|
|
return num % base;
|
|
}
|
|
|
|
void radixSort(int bitround, int a[], int l, int r){
|
|
int head[base] = {};
|
|
int tail[base] = {};
|
|
int cnt[base] = {};
|
|
|
|
if (bitround == -1 || l + 1 >= r) return;
|
|
|
|
{
|
|
int i = l;
|
|
|
|
while (i < r){
|
|
cnt[getNumPos(a[i], bitround)]
|
|
= cnt[getNumPos(a[i], bitround)] + 1;
|
|
i = i + 1;
|
|
}
|
|
head[0] = l;
|
|
tail[0] = l + cnt[0];
|
|
|
|
i = 1;
|
|
while (i < base){
|
|
head[i] = tail[i - 1];
|
|
tail[i] = head[i] + cnt[i];
|
|
i = i + 1;
|
|
}
|
|
i = 0;
|
|
while (i < base){
|
|
while (head[i] < tail[i]){
|
|
int v = a[head[i]];
|
|
while (getNumPos(v, bitround) != i){
|
|
int t = v;
|
|
v = a[head[getNumPos(t, bitround)]];
|
|
a[head[getNumPos(t, bitround)]] = t;
|
|
head[getNumPos(t, bitround)] = head[getNumPos(t, bitround)] + 1;
|
|
}
|
|
a[head[i]] = v;
|
|
head[i] = head[i] + 1;
|
|
}
|
|
i = i + 1;
|
|
}
|
|
}
|
|
|
|
{
|
|
int i = l;
|
|
|
|
head[0] = l;
|
|
tail[0] = l + cnt[0];
|
|
|
|
i = 0;
|
|
while (i < base){
|
|
if (i > 0){
|
|
head[i] = tail[i - 1];
|
|
tail[i] = head[i] + cnt[i];
|
|
}
|
|
radixSort(bitround - 1, a, head[i], tail[i]);
|
|
i = i + 1;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
int a[30000010];
|
|
int ans;
|
|
|
|
int main(){
|
|
int n = getarray(a);
|
|
|
|
starttime();
|
|
|
|
radixSort(8, a, 0, n);
|
|
|
|
int i = 0;
|
|
while (i < n){
|
|
ans = ans + i * (a[i] % (2 + i));
|
|
i = i + 1;
|
|
}
|
|
|
|
if (ans < 0)
|
|
ans = -ans;
|
|
stoptime();
|
|
putint(ans);
|
|
putch(10);
|
|
return 0;
|
|
}
|