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Jan 29th, 2015
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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3.  
  4. int main () {
  5.  
  6. int n;
  7. scanf("%d",&n);
  8. int i,j;
  9. int a[100][100];
  10. int suma1=0;
  11. for (i=0;i<n;i++) {
  12. for (j=0;j<n;j++) {
  13. scanf("%d",&a[i][j]);
  14. }
  15. }
  16. for (i=0;i<n;i++) {
  17. for (j=0;j<n;j++) {
  18. if (i==j) suma1=suma1+a[i][j];
  19. }
  20. }
  21. int k;
  22. int suma[100];
  23. int max=suma1;
  24. for (k=0;k<n;k++) {
  25. suma[k]=0;
  26. for (i=0;i<n;i++) {
  27. for (j=1;j<n;j++) {
  28. if (i==j-k) suma[k]+=a[i][j];
  29. }
  30. }
  31. if (suma[k]>max) max=suma[k];
  32. }
  33. printf("%d",max);
  34. return 0;
  35. }
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