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  1. #include<stdio.h>
  2. #define M 20
  3. long int D[M][M];
  4. main(){
  5.         int x,y;
  6.         for(y=0;y<M;y++)for(x=0;x<M;x++) D[x][y]=(x*y)?0:1;
  7.         for(y=1;y<M;y++) for(x=1;x<M;x++) D[x][y]=D[x-1][y]+D[x][y-1];
  8.         for(x=0;x<M;x++) {
  9.                 for(y=x;y>=0;y--) printf("%ld ",D[x-y][y]);
  10.                 printf("\n");
  11.         }
  12. }
  13.  
Runtime error #stdin #stdout 0s 1788KB
comments (?)
stdin 
Standard input is empty
stdout 
1 
1 1 
1 2 1 
1 3 3 1 
1 4 6 4 1 
1 5 10 10 5 1 
1 6 15 20 15 6 1 
1 7 21 35 35 21 7 1 
1 8 28 56 70 56 28 8 1 
1 9 36 84 126 126 84 36 9 1 
1 10 45 120 210 252 210 120 45 10 1 
1 11 55 165 330 462 462 330 165 55 11 1 
1 12 66 220 495 792 924 792 495 220 66 12 1 
1 13 78 286 715 1287 1716 1716 1287 715 286 78 13 1 
1 14 91 364 1001 2002 3003 3432 3003 2002 1001 364 91 14 1 
1 15 105 455 1365 3003 5005 6435 6435 5005 3003 1365 455 105 15 1 
1 16 120 560 1820 4368 8008 11440 12870 11440 8008 4368 1820 560 120 16 1 
1 17 136 680 2380 6188 12376 19448 24310 24310 19448 12376 6188 2380 680 136 17 1 
1 18 153 816 3060 8568 18564 31824 43758 48620 43758 31824 18564 8568 3060 816 153 18 1 
1 19 171 969 3876 11628 27132 50388 75582 92378 92378 75582 50388 27132 11628 3876 969 171 19 1
https://ideone.com/udRzbN
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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