#include "stdio.h"
int main(void){
int i
,j
,a
[10][10];
for(i
=0;i
<10;i
++){
a
[i
][0]=a
[i
][i
]=1;
}
for(i
=2;i
<10;i
++)
for(j
=1;j
<i
;j
++)
a
[i
][j
]=a
[i
-1][j
-1]+a
[i
-1][j
];
for(i
=0;i
<10;i
++){
for(j
=0;j
<=i
;j
++)
printf("%5d",a
[i
][j
]);
printf("\n");
}
return 0;
}
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