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Jan 23rd, 2018
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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <time.h>
  4.  
  5. #define N 5
  6. #define M 30
  7.  
  8. int main(){
  9.   int polje[N][M];
  10.   int n, sum=0;
  11.  
  12.   /*printf("Unesi velicinu stupaca: \n");      ovo mi tu ne stima
  13.   do{
  14.     scanf("%d",n);
  15.   }while(n<=19||n>30);
  16. */
  17.   srand((unsigned)time(NULL)); //generator random broja
  18. //ispunjavanje polja random brojevima
  19.   for(int i=0;i<N;i++){
  20.     for(int j=0;j<M;j++){
  21.       polje[i][j]= -14 + (double)rand() / RAND_MAX * 10;
  22.     }
  23.   }
  24. //printam cijelu listu, nije potrebno
  25.   for(int i=0;i<N;i++){
  26.     for(int j=0;j<M;j++){
  27.       printf("%d",polje[i][j]);
  28.     }
  29.   }
  30. //suma redova
  31.   for(int i=0;i<N;i++){
  32.     for(int j=0;j<M;j++){
  33.       sum=sum+polje[i][j];
  34.     }
  35.     printf("\n\nSuma %d. reda je %d\n", i, sum);
  36.   }
  37.  
  38.   sum = 0; //vracam sumu na nulu
  39.  
  40.  
  41.   //suma za stupce
  42.   for(int j=0;j<M;j++){
  43.     for(int i=0;i<N;i++){
  44.       sum=sum+polje[i][j];
  45.     }
  46.     printf("\n\nSuma %d. stupca je %d\n", j, sum);
  47.   }
  48.  
  49.  
  50.  
  51. return 0;
  52. }
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