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diagonal sum
//gcc 5.4.0 #include <stdio.h> #define n 5 #define m 5 int main(void) { int array1[n][m]={{10,20,30,40,50}, {11,21,31,41,51}, {12,22,32,42,52}, {13,23,33,43,53},{14,24,34,44,54}}; int array2[n][m]={{10,20,30,40,50}, {11,21,31,41,51}, {12,22,32,42,52}, {13,23,33,43,53},{14,24,34,44,54}}; printf("matrix one:\n"); for (int i=0;i<n;i++){ for(int j=0;j<m;j++){ printf("%d ", array1[i][j]); } printf("\n"); } printf("matrix two:\n"); for (int i=0;i<n;i++){ for(int j=0;j<m;j++){ printf("%d ", array2[i][j]); } printf("\n"); } printf("matrix diagonal sum:\n"); for (int i=0;i<n;i++){ for(int j=0;j<m;j++){ if(i==j){ array1[i][j]+=array2[i][j]; printf("%d ", array1[i][j]); } else printf(" "); } printf("\n"); } return 0; }
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