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#include <stdio.h>

int main(void) {
	
	int height = 20;
	
	for ( int i =  0 ; i <  height ; i ++ ) {
		
		for(int j = 0; j < height - i - 1; j++)
			printf(" ");
		
		for(int j = i; j > 0; j--)
			printf("%d", j);
		
		for ( int j = 0 ; j <= i ; j ++ )
			printf("%d", j);
		
		printf("\n");
	}
		
	return 0;
}
Success #stdin #stdout 0s 5300KB
comments (?)
stdin
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Standard input is empty
stdout
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                   0
                  101
                 21012
                3210123
               432101234
              54321012345
             6543210123456
            765432101234567
           87654321012345678
          9876543210123456789
         10987654321012345678910
        111098765432101234567891011
       1211109876543210123456789101112
      13121110987654321012345678910111213
     141312111098765432101234567891011121314
    1514131211109876543210123456789101112131415
   16151413121110987654321012345678910111213141516
  171615141312111098765432101234567891011121314151617
 1817161514131211109876543210123456789101112131415161718
19181716151413121110987654321012345678910111213141516171819
https://ideone.com/HVDCOq
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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