25 lines
507 B
Vala
25 lines
507 B
Vala
int main (string[] args) {
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if (args.length < 2) {
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print ("Please, input an integer > 0.\n");
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return 0;
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}
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var n = int.parse (args[1]);
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if (n <= 0) {
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print ("Please, input an integer > 0.\n");
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return 0;
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}
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int[,] array = new int[n, n];
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for (var i = 0; i < n; i ++) {
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for (var j = 0; j < n; j ++) {
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if (i == j) array[i,j] = 1;
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else array[i,j] = 0;
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}
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}
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for (var i = 0; i < n; i ++) {
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for (var j = 0; j < n; j ++) {
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print ("%d ", array[i,j]);
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}
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print ("\b\n");
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}
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return 0;
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}
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