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 1221
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#include<bits/stdc++.h>
using namespace std;
int main(){
freopen("p1000.in","r",stdin);
freopen("p1000.out","w",stdout);
int n,s;
cin>>n;
s=65+n;
if(n>26)return 0;
int t=65;
for(int i=1;i<=n;i++){
if(t>=s)return 0;
for(int j=1;j<=i;j++){
cout<<char(t);
}
cout<<endl;
t+=1;
}
fclose(stdin);
fclose(stdout);
return 0;
}
( 2026/3/24 17:08:09 ) |
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#include<iostream>
#include<cstring>
using namespace std;
int a[20][20];
int f(int m,int n)
{
int i,j;
for(i=1;i<=n;i++)
a[0][i]=1;
for(i=1;i<=m;i++)
a[i][1]=1;
for(i=1;i<=m;i++)
for(j=2;j<=n;j++)
if(i<j)
a[i][j]=a[i][i];
else
a[i][j]=a[i][j-1]+a[i-j][j];
}
int main(){
freopen("p1567.in","r",stdin);
freopen("p1567.out","w",stdout);
int m,n,i,j,k;
cin>>k;
for(i=1;i<=k;i++)
{
cin>>m>>n;
f(m,n);
cout<<a[m][n]<<endl;
}
fclose(stdin);
fclose(stdout);
return 0;
}
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