Submission #53375

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
53375	2018-06-29 15:30:42	kriii	즐거운 사진 수집 (JOI13_collecting)	C++17	100 / 100	1558 ms	267180 KiB

collecting

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <stdio.h>
const int Z = 1<<20;
int N,M,B[2][Z*2];
long long base,C[2][20];
void in(int k, int x)
{
  x += Z;
  B[k][x] = 3 - B[k][x];
  x /= 2;
  int l = 0;
  while (x){
    if (B[k][x] != 3) C[k][l]--;
    B[k][x] = B[k][x*2] | B[k][x*2+1];
    if (B[k][x] != 3) C[k][l]++;
    x /= 2; l++;
  }
}
int main()
{
  scanf ("%d %d",&N,&M);
  for (int i=0;i<=N;i++) base += 1ll << (2 * i);
  for (int k=0;k<2;k++){
    for (int i=0;i<Z*2;i++) B[k][i] = 1;
    for (int i=0;i<N;i++) C[k][i] = (1 << (N - i - 1));
  }
  while (M--){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

collecting.cpp: In function 'int main()':
collecting.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%d %d",&N,&M);
  ~~~~~~^~~~~~~~~~~~~~~
collecting.cpp:31:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int k,x; scanf ("%d %d",&k,&x); x--;
            ~~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 70 / 70