multiplication tables, C language implementation

The output of multiplication tables in ▲c language

① Positive triangle output

#include <stdio.h>

int main ()

{

int I, j = 0;

for (i = 1; I <= 9; i++)

{

for (j = 1; J <=i; J + +)

{

printf ("%d*%d=%2d\t", I, J, I*j);

}

printf ("\ n");

}

return 0;

}650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/73/90/wKioL1YBH9LwBNUuAAFzqleXgVI603.jpg "title=" Positive triangle output Multiplication table "alt=" Wkiol1ybh9lwbnuuaafzqlexgvi603.jpg "/>

② inverted triangle output multiplication table

#include <stdio.h>

int main ()

{

int I, j = 0;

for (i = 1; I <= 9; i++)

{

for (j = i; J <=9; J + +)

{

printf ("%d*%d=%2d\t", I, J, I*j);

}

printf ("\ n");

}

return 0;

}650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/73/90/wKioL1YBIAagHEiNAAEyAdo_zic010.jpg "title=" Inverted triangle output multiplication table "alt=" Wkiol1ybiaagheinaaeyado_zic010.jpg "/>

③ Matrix form Output

#include <stdio.h>

int main ()

{

int I, j = 0;

for (i = 1; I <= 9; i++)

{

for (j = 1; J <=9; J + +)

{

printf ("%d*%d=%2d\t", I, J, I*j);

}

printf ("\ n");

}

return 0;

}650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/73/93/wKiom1YBHfejJakJAAGV7qN88I8726.jpg "title=" Matrix output multiplication Table "alt=" Wkiom1ybhfejjakjaagv7qn88i8726.jpg "/>

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multiplication tables, C language implementation