Submission #5407932


Source Code Expand

#include<stdio.h>
#include<stdlib.h>
#include<stdint.h>
#include<inttypes.h>
#include<string.h>

typedef int32_t i32;
typedef int64_t i64;

static void print_int(i64 n){if(n<0){putchar('-');n=-n;}if(n==0){putchar('0');return;}int s[20],len=0;while(n>0){s[len++]=n%10+'0';n/=10;}while(len>0){putchar(s[--len]);}}
static i64 read_int(void){int prev='\0';int c=getchar();while(!('0'<=c && c<='9')){prev=c;c=getchar();}i64 res=0;while('0'<=c && c<='9'){res=10*res+c-'0';c=getchar();}return prev=='-'?-res:res;}

typedef struct range {
  i32 l, r;
} range;

typedef range radix_type;
typedef uint32_t u32;

#define RADIX_WIDTH 9
const u32 radix_type_max = 17;
const u32 radix_type_begin = 0;
const u32 radix_width = RADIX_WIDTH;
const u32 radix_mask = (1 << RADIX_WIDTH) - 1;
#undef RADIX_WIDTH

static inline u32 radix_get_bit (radix_type v, u32 shift) {
  return (u32)(v.r - v.l) >> shift & radix_mask;
}

void radix_sort (radix_type *a, u32 n) {
  radix_type * const array = (radix_type *) calloc (3 * n, sizeof (radix_type));
  radix_type **bucket = (radix_type **) calloc (1 << radix_width, sizeof (radix_type *));
  u32 *len = (u32 *) calloc (2 << radix_width, sizeof (u32));
  u32 *max_len = len + (1 << radix_width);
  for (u32 shift = radix_type_begin; shift < radix_type_max; shift += radix_width) {
    radix_type *p = array;
    memset (len, 0, sizeof (u32) << (radix_width + 1));
    for (u32 i = 0; i < n; ++i) {
      u32 bit = radix_get_bit (a[i], shift);
      if (len[bit] == max_len[bit]) {
	for (u32 j = 0; j < len[bit]; ++j) {
	  p[j] = bucket[bit][j];
	}
	max_len[bit] = 2 * max_len[bit] + 1;
	bucket[bit] = p;
	p += max_len[bit];
      }
      bucket[bit][len[bit]++] = a[i];
    }
    for (u32 bit = 0, i = 0; bit < (1 << radix_width); ++bit) {
      for (u32 j = 0; j < len[bit]; ++j, ++i) {
	a[i] = bucket[bit][j];
      }
    }
  }
  free (array);
  free (bucket);
  free (len);
}

void add (i32 *bit, i32 x, i32 v) {
  i32 n = bit[0];
  for (i32 i = x; i <= n; i += i & -i) {
    bit[i] += v;
  }
}

i32 find (i32 *bit, i32 x) {
  i32 sum = 0;
  for (i32 i = x; i > 0; i -= i & -i) {
    sum += bit[i];
  }
  return sum;
}

void run (void) {
  i32 n = read_int();
  i32 m = read_int();
  range *p = (range *) calloc (n, sizeof (range));
  for (i32 i = 0; i < n; ++i) {
    p[i].l = read_int();
    p[i].r = read_int() + 1;
  }
  radix_sort (p, n);
  i32 *bit = (i32 *) calloc (m + 2, sizeof (i32));
  bit[0] = m + 1;
  for (i32 d = 1, i = 0; d <= m; ++d) {
    for (; i < n && p[i].r - p[i].l < d; ++i) {
      add (bit, p[i].l, 1);
      add (bit, p[i].r, -1);
    }
    i32 ans = n - i;
    for (i32 j = d; j <= m; j += d) {
      ans += find (bit, j);
    }
    print_int (ans);
    putchar ('\n');
  }
}

int main (void) {
  run();
  return 0;
}

Submission Info

Submission Time
Task E - Snuke Line
User sansen
Language C (GCC 5.4.1)
Score 0
Code Size 2878 Byte
Status WA
Exec Time 65 ms
Memory 9600 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 700
Status
AC × 2
AC × 27
WA × 12
Set Name Test Cases
Sample 00_example_01.txt, 00_example_02.txt
All 00_example_01.txt, 00_example_02.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt
Case Name Status Exec Time Memory
00_example_01.txt AC 1 ms 128 KB
00_example_02.txt AC 1 ms 128 KB
01.txt AC 1 ms 128 KB
02.txt AC 1 ms 256 KB
03.txt AC 1 ms 128 KB
04.txt AC 1 ms 128 KB
05.txt AC 1 ms 128 KB
06.txt AC 1 ms 128 KB
07.txt AC 1 ms 128 KB
08.txt AC 1 ms 128 KB
09.txt AC 1 ms 256 KB
10.txt AC 1 ms 128 KB
11.txt WA 49 ms 9344 KB
12.txt WA 65 ms 9472 KB
13.txt AC 37 ms 9088 KB
14.txt WA 34 ms 9600 KB
15.txt WA 34 ms 9600 KB
16.txt AC 45 ms 9216 KB
17.txt WA 64 ms 9472 KB
18.txt AC 33 ms 9344 KB
19.txt WA 65 ms 9472 KB
20.txt WA 65 ms 9472 KB
21.txt WA 65 ms 9344 KB
22.txt WA 65 ms 9344 KB
23.txt WA 64 ms 9472 KB
24.txt AC 59 ms 8960 KB
25.txt AC 38 ms 8960 KB
26.txt AC 34 ms 9216 KB
27.txt AC 61 ms 8576 KB
28.txt AC 39 ms 9472 KB
29.txt AC 61 ms 9216 KB
30.txt AC 40 ms 9088 KB
31.txt AC 58 ms 9216 KB
32.txt AC 38 ms 9216 KB
33.txt AC 33 ms 9216 KB
34.txt WA 61 ms 9600 KB
35.txt WA 61 ms 9600 KB
36.txt AC 1 ms 128 KB
37.txt AC 16 ms 384 KB