Sum of elements below main diagonal of matrix: Difference between revisions
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69 |
69 |
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</pre> |
</pre> |
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==={{header|PL/I}}=== |
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<lang PL/I> |
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trap: procedure options (main); /* 17 December 2021 */ |
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declare n fixed binary; |
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get (n); |
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put ('The order of the matrix is ' || trim(n)); |
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begin; |
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declare A (n,n) fixed binary; |
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declare sum fixed binary; |
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declare (i, j) fixed binary; |
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get (A); |
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sum = 0; |
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do i = 2 to n; |
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do j = 1 to i-1; |
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sum = sum + a(i,j); |
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end; |
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end; |
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put edit (A) (skip, (n) f(4) ); |
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put skip data (sum); |
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end; |
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end trap; |
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</lang> |
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{{out}} |
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<pre> |
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The order of the matrix is 5 |
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1 3 7 8 10 |
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2 4 16 14 4 |
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3 1 9 18 11 |
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12 14 17 18 20 |
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7 1 3 9 5 |
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SUM= 69; |
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</pre> |
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=={{header|PL/M}}== |
=={{header|PL/M}}== |
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This can be compiled with the original 8080 PL/M compiler and run under CP/M or an emulator/clone. |
This can be compiled with the original 8080 PL/M compiler and run under CP/M or an emulator/clone. |
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