比赛 |
2024暑假C班集训A |
评测结果 |
AAAAAAAAAA |
题目名称 |
牧场的安排 |
最终得分 |
100 |
用户昵称 |
┭┮﹏┭┮ |
运行时间 |
0.032 s |
代码语言 |
C++ |
内存使用 |
3.54 MiB |
提交时间 |
2024-07-10 09:20:46 |
显示代码纯文本
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N = (1<<13)+10;
const ll mod = 1e8;
ll read(){
ll x = 0,f = 1;char c = getchar();
for(;c < '0' || c > '9';c = getchar())if(c == '-')f = -1;
for(;c >= '0' && c <= '9';c = getchar())x = (x<<1) + (x<<3) + c-'0';
return x * f;
}
int n,m;
int a[15];
ll f[15][N];
int main(){
freopen("cowfood.in","r",stdin);
freopen("cowfood.out","w",stdout);
n = read(),m = read();
for(int i = 1;i <= n;i++)
for(int j = 1;j <= m;j++)a[i] = (a[i] << 1) + read();
f[0][0] = 1;
for(int i = 1;i <= n;i++){
for(int j = 0;j < (1<<m);j++){
if((a[i] | j) != a[i] || ((j << 1) & j) != 0 || ((j >> 1) & j) != 0)continue;
for(int k = 0;k < (1<<m);k++){
if((a[i-1] | k) != a[i-1] || (j & k) != 0 || ((k << 1) & k) != 0 || ((k >> 1) & k) != 0)continue;
(f[i][j] += f[i-1][k]) %= mod;
}
}
}
ll ans = 0;
for(int i = 0;i < (1<<m);i++)
if((i | a[n]) == a[n])(ans += f[n][i]) %= mod;
printf("%lld\n",ans % mod);
return 0;
}