/* Program dengan Dua Counter */
#include <stdio.h>
int main() {
int i, j, m, n;
scanf("%d %d", &m, &n);
for (i=1; i<=m; i++) {
for (j=i; j<=n; j++) {
printf("%d", j);
if (j==n)
printf("\n");
else
printf(" ");
}
}
return 0;
}
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