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Jan 22nd, 2019
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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main (){
  6. int i,j,t,p, n ,m,tot=0;
  7. cin >> n >> m;
  8. int v[n][m];
  9. int sw[n][m];
  10.  
  11. for (i=0; i<n; i++){
  12. for (j=0; j<m; j++) {
  13. cin >> v[i][j];
  14. }
  15. }
  16.  
  17. for (i=1; i<=n; i+2){
  18. for (j=0; j<m; j++) {
  19. sw[i][j] = 1;
  20. }
  21. }
  22.  
  23.  
  24. for (i=1; i<=n; i+2){
  25. for (j=0; j<m; j++) {
  26. p= v[i][j];
  27. for (t=0; t<p/2 ;t++){
  28. if (v[i][j]%t == 0){
  29. sw[i][j] =0;
  30.  
  31. }
  32. }
  33. }
  34. }
  35. for (i=1; i<=n; i+2){
  36. for (j=0; j<m; j++) {
  37. if (sw[i][j] ==1){
  38. tot++;
  39. }
  40. }
  41. }
  42. cout << tot;
  43. }
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