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- #include <stdio.h>
- #include <stdlib.h>
- #include <ctype.h>
- #include <string.h>
- int main()
- {
- int n, i, j;
- scanf("%d", &n);
- float A[50][50], B[50][50], y = 0.0, x = 0.0;
- for (i=0; i<n; i++)
- for (j=0; j<n; j++)
- scanf("%f", &A[i][j]);
- for (i=0; i<n; i++)
- {
- for (j=0; j<n; j++)
- {
- if(i>j)
- x += A[i][j];
- if (i+j>n-1)
- y += A[i][j];
- }
- }
- for (i=0; i<n; i++)
- {
- for (j=0; j<n; j++)
- {
- if (i==j && i+j==n-1)
- B[i][j] = x+y;
- else if (i==j)
- B[i][j] = x;
- else if (i+j == n-1)
- B[i][j] = y;
- else
- B[i][j] = 0;
- }
- }
- for (i=0; i<n; i++){
- for (j=0; j<n; j++){
- printf("%.1f ", B[i][j]);
- }
- printf("\n");
- }
- return 0;
- }
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