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  1. #include <stdio.h>
  2. int main (){
  3. int n;
  4. printf("Masukan angka (1-20): ");
  5. scanf("%d",&n);
  6.  
  7. for(int i = 1; i <= n; i++){
  8. for(int u = 1; u <= n; u++){
  9. printf("(%d,%d)",i,u);
  10. }
  11.  
  12. printf("\n");
  13. }
  14.  
  15.  
  16.  
  17.  
  18. return 0;
  19. }
Success #stdin #stdout 0s 5320KB
stdin
Standard input is empty
stdout
Masukan angka (1-20):