Maatriksi diagonaalide liitmise programm

maatriks_diagonaal.c

+#include <stdio.h>
+int n=4; int m=4; //maatriksi mõõdud
+int A[4][4]={{-3,2,7,9},{6,-3,12,5},{3,7,7,8},{5,2,1,0}};
+int Summa = 0;
+
+int main(void){
+
+    int i=0;
+    int j=0;
+    while (i<n){
+        j=0;
+        while(j<m){
+            printf("%4d", A[i][j]);
+            j++;
+        }
+        printf("\n");
+        i++;
+    }
+
+    int peadiagonaal(void){
+        int Summa = 0;
+        int i=0;
+        int j=0;
+        while(i<m){
+            if(i==j && A[i][j]>0){
+                Summa = Summa + A[i][j];
+            }
+
+            j++;
+            i++;
+            printf("%d", Summa);
+
+        }
+    }
+
+    int k6rvaldiagonaal(void){
+        int Summa = 0;
+        int i=0;
+        int j=0;
+
+        while(i<m){
+            if(i+j==3){
+                Summa = Summa + A[i][j];
+            }
+
+            j++;
+            i++;
+            printf("%d", Summa);
+        }
+    }
+
+    return 0;
+}