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Write a DSUM() function in C++ to find sum of Diagonal Elements from N x M Matrix. (Assuming that the N is a odd numbers) |
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Answer» int DSUM(int A[],int N) { int i,dsum1=0,dsum2=0; for(i=0;i<N;i++) { dsum1+=A[i][i]; dsum2+=A[N-(i+1)][i]; } return(dsum1+dsum2-A[N/2][N/2]); //because middle element is added twice } |
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