// Online C compiler to run C program online
#include <stdio.h>
void upis(int *n, int a[][10])
{
int i, j;
printf("Unesite n: ");
scanf("%d", n);
printf("Unesite niz: ");
for (i=0; i<*n; i++)
{
for(j=0; j<*n; j++)
{
scanf("%d", &a[i][j]);
}
}
}
void pisi(int a[][10], int n)
{
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
printf("%d\t", a[i][j]);
}
printf("\n");
}
}
int zbirglavne(int n, int a[][10])
{
int i, s=0, j;
for (i = 0; i < n; i++)
{
for (j = 0; j < n; j++)
{
if (i == j)
{
s = s+a[i][j];
}
}
}
return s;
}
int zbirsporedne(int n, int a[][10])
{
int i, s=0, j;
for (i = 0; i < n; i++)
{
for (j = 0; j < n; j++)
{
if (i+j == n-1)
{
s = s+a[i][j];
}
}
}
return s;
}
int zbirtrougao(int n, int a[][10])
{
int i, s=0, j;
for (i = 0; i < n; i++)
{
for (j = 0; j < n; j++)
{
if (i < j)
{
s = s+a[i][j];
}
}
}
return s;
}
int zbirdonji(int n, int a[][10])
{
int i, s=0, j;
for (i = 0; i < n; i++)
{
for (j = 0; j < n; j++)
{
if (i > j)
{
s = s+a[i][j];
}
}
}
return s;
}
int main() {
int a[10][10], n;
upis(&n, a);
printf("Ispis matrice: \n");
pisi(a, n);
printf("Zbir glavne dijagonale je: %d\n", zbirglavne(n, a));
printf("Zbir sporedne dijagonale je: %d\n", zbirsporedne(n, a));
printf("Zbir gornjeg trougla je: %d\n", zbirtrougao(n, a));
printf("Zbir donjeg trougla je: %d\n", zbirdonji(n, a));
return 0;
}
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