2025-03-18 20:00:56 +08:00

16 lines
591 B
C

#include <stdio.h>
#define for_i(i, range, inner) \
{ \
int i; \
for (i = 0; i < range; i++) \
inner; \
}
int main() {
int n, m;
scanf("%d %d", &n, &m);
for_i(i, n, {
for_i(j, i + 1, { printf("%d", m); });
printf("\n");
}) return 0;
}