#include<bits/stdc++.h>
using namespace std;
#define ll long long
vector<int> build(int L) {
vector<int> cur;
cur.push_back(L);
for (int i=L;i>=2;i--) {
vector<int> newV;
for (auto x:cur){
if (x==i) {
newV.push_back(x-1);
newV.push_back(x);
newV.push_back(x-1);
} else newV.push_back(x);
}
cur = newV;
}
return cur;
}
void printVec(vector<int> v) {
for (auto x:v) {
if (x) {
while(x--) cout<<'-';
cout<<endl;
}
}
}
int main() {
ios_base::sync_with_stdio(0);
int l, p;
cin>>l>>p;
vector<int> v = build(p-1);
for (int i=0;i<l;i++) {
for (int j=0;j<p;j++) cout<<'-';
cout<<i<<endl;
printVec(v);
}
for (int i=0;i<p;i++)cout<<'-';
cout<<l<<endl;
}
Copy