oj.uz

Submission #979116

# Submission time Handle Problem Language Result Execution time Memory
979116 2024-05-10T09:11:31 Z sleepntsheep Council (JOI23_council) C
6 / 100
 63 ms 18524 KB 
#include<stdio.h>
#include<string.h>

#define N 300000
#define M 20

int a[N], n, m, cc[M], f[1<<M][2], g[1<<M][2];

int count(int x) { return x ? 1 + count(x&x-1) : 0; }
int super(int x) { return x | x + 1; }
int sub(int x) { return x & x - 1; }

void put(int i, int v)
{
    if (v>f[i][0])
        f[i][1]=f[i][0],f[i][0]=v;
    else if(v>f[i][1])
        f[i][1]=v;
}

void put_(int i, int v)
{
    if (v > f[i][0])
        f[i][1]=f[i][0],f[i][0]=v;
    else if(v>f[i][1])
        f[i][1]=v;
}

int main()
{
    memset(f,-1,sizeof f);
    memset(g,-1,sizeof g);
    scanf("%d%d",&n,&m);
    for(int i=0;i<n;++i)
    {
        for(int x,j=0;j<m;++j)
            scanf("%d",&x),a[i]|=x<<j, cc[j]+=x;

        int b=((1<<m)-1)&~a[i];
        put(b, count(b));
    }

    /* need to find max count(b[i] & S)
     * SOS dp :question: 
     *
     */

    for(int i=0;i<m;++i)
        for(int j=0;j<(1<<m);++j)
            if(1==((j>>i)&1))
                put(j^(1<<i), f[j][1]-1), put(j^(1<<i), f[j][0]-1);

    for(int i=0;i<m;++i)
        for(int j=0;j<(1<<m);++j)
            if(0==(j&(1<<i)))
                put_(j^(1<<i), f[j][1]), put_(j^(1<<i), f[i][0]);

    for(int i=0;i<n;++i)
    {
        int S=0,ans=0;
        for(int j=0;j<m;++j)
        {
            int c=cc[j]-((a[i]>>j)&1);
            if (c>n/2)
                ++ans;
            else if(c==n/2)
                S|=1<<j;
        }
        int b=((1<<m)-1)&~a[i];
        if (count(S&b) == f[S][0])
            ans += f[S][1];
        else
            ans += f[S][0];

        printf("%d\n", ans);
    }

}

Compilation message

council.c: In function 'count':
council.c:9:44: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
    9 | int count(int x) { return x ? 1 + count(x&x-1) : 0; }
      |                                           ~^~
council.c: In function 'super':
council.c:10:33: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses]
   10 | int super(int x) { return x | x + 1; }
      |                               ~~^~~
council.c: In function 'sub':
council.c:11:31: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   11 | int sub(int x) { return x & x - 1; }
      |                             ~~^~~
council.c: In function 'main':
council.c:33:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |     scanf("%d%d",&n,&m);
      |     ^~~~~~~~~~~~~~~~~~~
council.c:37:13: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |             scanf("%d",&x),a[i]|=x<<j, cc[j]+=x;
      |             ^~~~~~~~~~~~~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17756 KB Output is correct
2 Incorrect 3 ms 17964 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17756 KB Output is correct
2 Incorrect 3 ms 17964 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17756 KB Output is correct
2 Correct 58 ms 18516 KB Output is correct
3 Correct 63 ms 18484 KB Output is correct
4 Correct 41 ms 18524 KB Output is correct
5 Correct 62 ms 18468 KB Output is correct
6 Correct 53 ms 18440 KB Output is correct
7 Correct 62 ms 18484 KB Output is correct
8 Correct 3 ms 17756 KB Output is correct
9 Correct 3 ms 17756 KB Output is correct
10 Correct 3 ms 17756 KB Output is correct
11 Correct 3 ms 17756 KB Output is correct
12 Correct 3 ms 17756 KB Output is correct
13 Correct 3 ms 17756 KB Output is correct
14 Correct 3 ms 17756 KB Output is correct
15 Correct 3 ms 17756 KB Output is correct
16 Correct 3 ms 17752 KB Output is correct
17 Correct 3 ms 17756 KB Output is correct

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17756 KB Output is correct
2 Correct 58 ms 18516 KB Output is correct
3 Correct 63 ms 18484 KB Output is correct
4 Correct 41 ms 18524 KB Output is correct
5 Correct 62 ms 18468 KB Output is correct
6 Correct 53 ms 18440 KB Output is correct
7 Correct 62 ms 18484 KB Output is correct
8 Correct 3 ms 17756 KB Output is correct
9 Correct 3 ms 17756 KB Output is correct
10 Correct 3 ms 17756 KB Output is correct
11 Correct 3 ms 17756 KB Output is correct
12 Correct 3 ms 17756 KB Output is correct
13 Correct 3 ms 17756 KB Output is correct
14 Correct 3 ms 17756 KB Output is correct
15 Correct 3 ms 17756 KB Output is correct
16 Correct 3 ms 17752 KB Output is correct
17 Correct 3 ms 17756 KB Output is correct
18 Correct 3 ms 17752 KB Output is correct
19 Incorrect 3 ms 17752 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17756 KB Output is correct
2 Correct 58 ms 18516 KB Output is correct
3 Correct 63 ms 18484 KB Output is correct
4 Correct 41 ms 18524 KB Output is correct
5 Correct 62 ms 18468 KB Output is correct
6 Correct 53 ms 18440 KB Output is correct
7 Correct 62 ms 18484 KB Output is correct
8 Correct 3 ms 17756 KB Output is correct
9 Correct 3 ms 17756 KB Output is correct
10 Correct 3 ms 17756 KB Output is correct
11 Correct 3 ms 17756 KB Output is correct
12 Correct 3 ms 17756 KB Output is correct
13 Correct 3 ms 17756 KB Output is correct
14 Correct 3 ms 17756 KB Output is correct
15 Correct 3 ms 17756 KB Output is correct
16 Correct 3 ms 17752 KB Output is correct
17 Correct 3 ms 17756 KB Output is correct
18 Correct 3 ms 17752 KB Output is correct
19 Incorrect 3 ms 17752 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17756 KB Output is correct
2 Correct 58 ms 18516 KB Output is correct
3 Correct 63 ms 18484 KB Output is correct
4 Correct 41 ms 18524 KB Output is correct
5 Correct 62 ms 18468 KB Output is correct
6 Correct 53 ms 18440 KB Output is correct
7 Correct 62 ms 18484 KB Output is correct
8 Correct 3 ms 17756 KB Output is correct
9 Correct 3 ms 17756 KB Output is correct
10 Correct 3 ms 17756 KB Output is correct
11 Correct 3 ms 17756 KB Output is correct
12 Correct 3 ms 17756 KB Output is correct
13 Correct 3 ms 17756 KB Output is correct
14 Correct 3 ms 17756 KB Output is correct
15 Correct 3 ms 17756 KB Output is correct
16 Correct 3 ms 17752 KB Output is correct
17 Correct 3 ms 17756 KB Output is correct
18 Correct 3 ms 17752 KB Output is correct
19 Incorrect 3 ms 17752 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #7
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17756 KB Output is correct
2 Incorrect 3 ms 17964 KB Output isn't correct
3 Halted 0 ms 0 KB -