#include<bits/stdc++.h>
#define VAR(i,n) __typeof(n) i = (n)
#define loop(i,j,s) for(int i=j;i<s;i++)
#define loopback(i,j,s) for(int i=j;i>=s;i--)
#define foreach(i,c) for(VAR(i,(c).begin());i!=(c).end();i++)
#define pln( x ) cout << x << "\n"
#define ps( x ) cout << x << " "
#define entr cout << "\n"
#define pcnt(i) __builtin_popcount(i)
#define ll long long
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define SIZE(c) (c).size()
#define ALL(c) (c).begin(), (c).end()
using namespace std;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef vector<vector<int> > VVI;
const int INFTY=20000000;
const int MAX=500100;
const int MOD=10000000;
void coutTab(int* tab,int n){
loop(i,0,n){
cout<<tab[i]<<" ";
}
cout<<"\n";
}
template<class T> void coutVec(vector<T> tab){
for(T t : tab){
cout<<t<<" ";
}
cout<<"\n";
}
//------------------------------------------
int main(){
ios_base::sync_with_stdio(0);
ll P;
int n,m;
cin>>n>>m>>P;
vector<vector<vector<ll>>> dp(n, vector<vector<ll>>(m, vector<ll>(m, 0)));
loop(i,0,m) loop(j,i,m) dp[0][i][j]=1;
loop(o,1,n) {
loop(i,0,m) {
loop(j,i,m) {
loop(k,0,m) {
loop(l,k,m) {
if((i>=k&&i<=l)||(j>=k&&j<=l)||(k>=i&&k<=j)||(l>=i&&l<=j)) {
//cout<<"OJ"<<endl;
dp[o][i][j] = (dp[o][i][j] + dp[o-1][k][l])%P;
}
}
}
//ps(o);ps(i);ps(j);pln(dp[o][i][j]);
}
}
}
ll res=0;
loop(i,0,m) loop(j,i,m) res = (res + dp[n-1][i][j])%P;
pln(res);
}
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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | #include<bits/stdc++.h> #define VAR(i,n) __typeof(n) i = (n) #define loop(i,j,s) for(int i=j;i<s;i++) #define loopback(i,j,s) for(int i=j;i>=s;i--) #define foreach(i,c) for(VAR(i,(c).begin());i!=(c).end();i++) #define pln( x ) cout << x << "\n" #define ps( x ) cout << x << " " #define entr cout << "\n" #define pcnt(i) __builtin_popcount(i) #define ll long long #define pb push_back #define mp make_pair #define ff first #define ss second #define SIZE(c) (c).size() #define ALL(c) (c).begin(), (c).end() using namespace std; typedef vector<int> VI; typedef pair<int, int> PII; typedef vector<vector<int> > VVI; const int INFTY=20000000; const int MAX=500100; const int MOD=10000000; void coutTab(int* tab,int n){ loop(i,0,n){ cout<<tab[i]<<" "; } cout<<"\n"; } template<class T> void coutVec(vector<T> tab){ for(T t : tab){ cout<<t<<" "; } cout<<"\n"; } //------------------------------------------ int main(){ ios_base::sync_with_stdio(0); ll P; int n,m; cin>>n>>m>>P; vector<vector<vector<ll>>> dp(n, vector<vector<ll>>(m, vector<ll>(m, 0))); loop(i,0,m) loop(j,i,m) dp[0][i][j]=1; loop(o,1,n) { loop(i,0,m) { loop(j,i,m) { loop(k,0,m) { loop(l,k,m) { if((i>=k&&i<=l)||(j>=k&&j<=l)||(k>=i&&k<=j)||(l>=i&&l<=j)) { //cout<<"OJ"<<endl; dp[o][i][j] = (dp[o][i][j] + dp[o-1][k][l])%P; } } } //ps(o);ps(i);ps(j);pln(dp[o][i][j]); } } } ll res=0; loop(i,0,m) loop(j,i,m) res = (res + dp[n-1][i][j])%P; pln(res); } |
English